Explore all Johnston Construction Company project profiles. Search by project, location, or work type, and filter by market or state. Each project has its own page describing the work and participating divisions.
Water Treatment Plants14th Street Water Treatment Plant GAC Filter Media ReplacementOcean City, MarylandJohnston Construction Company served as the contractor for replacement of the granular activated carbon and filter sand within four filters at the 14th Street Water Treatment Plant.
Water Treatment Plants14th Street Water Treatment Plant Standby Generator UpgradeOcean City, MarylandJohnston Construction Company procured and coordinated major standby-generator equipment for the 14th Street Water Treatment Plant in Ocean City, Maryland.
Water Supply and Infrastructure41st Street – Water Valve Work41St Street, Ocean City, Maryland 21842Johnston Construction Company served as Prime Contractor for municipal water valve work along 41st Street in Ocean City, Maryland, under a time-and-material agreement with the Town of…
Water Treatment Plants44th Street Water Treatment Plant Filter RehabilitationOcean City, MarylandJohnston Construction Company served as the contractor for the comprehensive rehabilitation of fourteen filters at the 44th Street Water Treatment Plant.
Water Treatment Plants44th Street Water Treatment Plant Roof ReplacementOcean City, MarylandCompleted roof replacement improvements at the 44th Street Water Treatment Plant in Ocean City, Maryland.
Wastewater Treatment PlantsAberdeen Advanced Wastewater Treatment Plant Digester Gas Flare ImprovementsAberdeen, Harford County, MarylandJohnston Construction Company completed the Aberdeen Advanced Wastewater Treatment Plant Digester Gas Flare Improvements project for the City of Aberdeen.
Industrial and EnvironmentalAberdeen Army Reserve Center Stormwater ImprovementsEdgewood, Harford County, MarylandPerformed the specialized concrete construction package for a new conveyance cutoff structure as part of stormwater improvements at the Aberdeen Army Reserve Center. CSD furnished the…
Water Storage and TanksAberdeen Proving Ground 0.5 MG Elevated Water Storage Tank – Mixer Installation & RehabilitationAberdeen Proving Ground, Harford County, MarylandCompleted comprehensive improvements to an existing 0.5-million-gallon elevated water storage tank serving the City of Aberdeen's public water system at Aberdeen Proving Ground.
Wastewater Treatment PlantsAberdeen Proving Ground WWTP Digester No. 1 Cover ReplacementAberdeen, Harford County, MarylandJohnston Construction Company replaced the existing floating gas-holder cover serving Digester No. 1 at the Aberdeen Proving Ground Wastewater Treatment Plant.
Pump StationsAberdeen Proving Ground – Pump Station 447 Wet Well ReplacementAberdeen Proving Ground, MarylandJohnston Construction Company served as Prime Contractor for the replacement of Wastewater Pump Station 447 at Aberdeen Proving Ground. The project consisted of abandonment of the…
Water Treatment PlantsAberdeen Water Treatment Plant Design-Build UpgradeAberdeen, MarylandProvided complete design-build delivery for major upgrades to the City of Aberdeen Water Treatment Plant.
Water Storage and TanksAmblebrook 500,000-Gallon Elevated Water Storage TankHunterstown / Gettysburg, Adams County, PennsylvaniaJohnston Construction Company performed the civil, mechanical, electrical, and instrumentation work supporting construction of a new 500,000-gallon elevated potable-water storage tank.
Water Storage and TanksAnnapolis Hill 600,000-Gallon Ground Water Storage Tank ReplacementAnnapolis Hill Booster Station – Fort George G. Meade, MarylandSupported construction of a new 600,000-gallon ground water storage tank at the Annapolis Hill Booster Station.
Pump StationsAnnapolis Water Reclamation Facility – Raw Lift Station Valve ReplacementAnnapolis, Maryland 21403Johnston Construction Company served as Prime Contractor for the replacement of four 20-inch suction valves serving the raw wastewater lift pumps at the Annapolis Water Reclamation…
Wastewater Treatment PlantsAntietam Wastewater Treatment Plant UpgradesSharpsburg, Washington County, MarylandDemolished the existing headworks building and rehabilitated the existing concrete headworks structure.
Water Storage and TanksArtesian Llangollen Clearwell RepairsNew Castle, New Castle County, DelawareServed as Prime Contractor for the comprehensive rehabilitation of the reinforced-concrete clearwell at Artesian Water Company’s Llangollen Water Treatment Plant. The work addressed…
Water Treatment PlantsArtesian Wilmington Airport Water Treatment Plant RenovationNew Castle, New Castle County, DelawareServed as Prime Contractor for the Facility Renovations at the Wilmington Airport Water Treatment Plant under Contract No. W-15-1, completing a comprehensive renovation of an existing…
Water Storage and TanksBallenger Zone 2 1,000,000-Gallon Composite Elevated Water Storage TankFrederick, Frederick County, MarylandJohnston Construction Company performed the civil, foundation, utility, mechanical, and site-improvement work supporting construction of a new 1.0-million-gallon composite elevated…
Water Storage and TanksBear-Corbitt Road 1 MG Elevated Water Storage TankNew Castle, DelawareJohnston Construction Company performed subcontract construction work for the Bear-Corbitt Road Elevated Water Storage Tank project in New Castle, Delaware.
Water Supply and InfrastructureBeaverdam Creek Dam Modifications & Transfer Pump StationBeaverdam Creek Reservoir, Loudoun County, VirginiaJohnston Construction Company performed a major civil construction package for the Beaverdam Creek Dam Modifications and Transfer Pump Station project in Loudoun County, Virginia.
Pump StationsBeltsville Information Management CenterBeltsville, MarylandJohnston Construction Company served as the design-builder for the Beltsville Information Management Center Sanitary and Stormwater Pump Station Improvements project in Beltsville, Maryland.
Pump StationsBlue Ridge Sewage Pumping Station UpgradeNew Windsor, Carroll County, MarylandJohnston Construction Company completed the Blue Ridge Sewage Pumping Station Upgrade for the Town of New Windsor in Carroll County, Maryland.
Pump StationsBrady Township Southeast Pump StationBrady Township, Lycoming County, PennsylvaniaJohnston Construction Company served as the prime General Construction Contractor for the Brady Township Southeast Pump Station project.
Water Storage and TanksBrandywine 2.0 MG Composite Elevated Water Storage FacilityBrandywine, Prince George's County, MarylandPerformed the major civil and mechanical construction package supporting WSSC’s new 2.0-million-gallon composite elevated water storage facility in Prince George’s County, Maryland.…
Water Storage and TanksBroad Creek II / Lincoln Heights 2.0 MG Elevated Water Storage TankAnnapolis, Anne Arundel County, MarylandJohnston Construction Company served as Civil Subcontractor to Landmark Structures I, LP for construction work supporting the new 2.0-million-gallon Broad Creek II / Lincoln Heights…
Pump StationsBrock Bridge Landing Sewage Pumping StationJessup, Anne Arundel County, MarylandJohnston Construction Company performed the comprehensive installation of the Brock Bridge Landing sewage pumping station and its associated force-main, mechanical, electrical…
Water Treatment PlantsBrown Manor Water Treatment Facility ImprovementsWest Wyoming / Wyoming, PennsylvaniaJohnston Construction Company performed design-build water treatment facility improvements for the Brown Manor WTF Improvements project in West Wyoming, Pennsylvania.
Water Storage and TanksButterfly Lane 1,000,000-Gallon Composite Elevated Water Storage TankFrederick, Frederick County, MarylandJohnston Construction Company performed a major civil, structural, mechanical, electrical, instrumentation, and sitework subcontract supporting construction of the Butterfly Lane Water…
Pump StationsCamp Fretterd Water Booster Station ImprovementsReisterstown, Baltimore County, MarylandJohnston Construction Company completed the Camp Fretterd Water Booster Station Improvements project for Maryland Environmental Service.
Water Treatment PlantsCarlisle Water Treatment Plant – Slide & Stop Gate InstallationCarlisle, Cumberland County, PennsylvaniaServed as Prime Contractor for the installation of four slide and stop gates at the Carlisle Water Treatment Plant.
Water Storage and TanksCarpenters Bridge Crossing 500,000-Gallon Elevated Water Storage TankFelton, Kent County, DelawareJohnston Construction Company performed construction work for the Carpenters Bridge Crossing Elevated Storage Tank project in Felton, Delaware.
Other Specialty ProjectsCarroll County Plumbing & Millwright Services – Water and Wastewater FacilitiesMultiple Facilities, Carroll County, MarylandServed as Prime Contractor under Carroll County's Plumbing and Millwright Services term contract supporting County-operated water and wastewater facilities.
Pump StationsCattail Creek Pumping Station – Odor Control System RehabilitationSeverna Park, Anne Arundel County, MarylandJohnston Construction Company was selected by Anne Arundel County Department of Public Works to complete the Cattail Creek Pumping Station Odor Control System project.
Wastewater Treatment PlantsCentral Correctional Facility Collection System UpgradeSykesville, Carroll County, MarylandJohnston Construction Company completed the Central Correctional Facility Collection System Upgrade for Maryland Environmental Service.
Industrial and EnvironmentalCharles County LandfillWaldorf, MarylandThe project included design, construction, startup, performance testing, and operation of a landfill leachate pretreatment facility at the Charles County Landfill in Waldorf, Maryland.
Pump StationsCharles County Pump Station 5A Building Access ModificationsWaldorf, Charles County, MarylandServed as Prime Contractor for the comprehensive building-access and process-support improvements at Charles County's existing Pump Station 5A.
Water Storage and TanksCharlotte Hall 0.4 MG Spheroidal Elevated Water Storage TankCharlotte Hall, St. Mary's County, MarylandJohnston Construction Company served as Civil Subcontractor to Caldwell Tanks, Inc. for construction of the new 400,000-gallon spheroidal/pedesphere elevated water storage tank and…
Water Supply and InfrastructureCheltenham WTP – 10-Inch Water Line Leak RepairCheltenham, Prince George's County, MarylandJohnston Construction Company served as Prime Contractor for the repair of an existing water-line leak at the Cheltenham Water Treatment Plant for Maryland Environmental Service.
Wastewater Treatment PlantsChesapeake Beach WRTP Clarifier Launder Covers & Treatment Structure Access ImprovementsChesapeake Beach, Calvert County, MarylandJohnston Construction Company completed the Chesapeake Beach WRTP Clarifiers, Denitrification Filters, Mudwell & Clearwell Covers project for the Town of Chesapeake Beach.
Water Storage and TanksChesapeake City 300,000-Gallon Elevated Water Storage TankChesapeake City, Cecil County, MarylandPerformed the major civil and site-development package supporting construction of a new 300,000-gallon elevated water storage facility for the Town of Chesapeake City. JCC’s contracted…
Wastewater Treatment PlantsCity Of Frederick Wastewater Treatment Plant – Digester No. 1 Scum Line Piping ModificationsFrederick, Maryland 21701Johnston Construction Company served as Prime Contractor for the Digester No. 1 Additional Scum Line Piping Project at the City of Frederick Wastewater Treatment Plant in Frederick…
Wastewater Treatment PlantsCity Of Frederick Wastewater Treatment Plant – Floor Drain ReplacementFrederick, Maryland 21701Johnston Construction Company served as Prime Contractor for the replacement of two existing floor drains within the Digester Solids Handling Building at the City of Frederick…
Wastewater Treatment PlantsCity Of Frederick WWTP – Anaerobic Digester Pipe Support RehabilitationFrederick, Maryland 21701Johnston Construction Company served as Prime Contractor for rehabilitation of piping-support systems within both anaerobic digesters at the City of Frederick Wastewater Treatment Plant.
Water Storage and TanksCity of Lancaster South 3 MG Elevated Water Storage Tank & Transmission MainLancaster Township, Lancaster County, PennsylvaniaJohnston Construction Company performed the civil, mechanical, electrical, and instrumentation work supporting the City of Lancaster’s new three-million-gallon elevated water-storage tank.
Wastewater Treatment PlantsCity of York WWTP – Train 2 Baffle InstallationYork, York County, PennsylvaniaJohnston Construction Company served as Prime Contractor for installation of new flow-deflection baffles within the Train 2 wastewater treatment process at the City of York WWTP.
Water Storage and TanksClarksburg 1.0 MG Composite Elevated Water Storage FacilityBoyds / Clarksburg area, Montgomery County, MarylandPerformed the major civil site-work and utility package supporting construction of WSSC's new 1-million-gallon composite elevated water storage facility. The overall project included…
Pump StationsCollege Run Sewage Pumping Station UpgradeWalkersville, Frederick County, MarylandJohnston Construction Company served as Prime Contractor for the comprehensive upgrade of the existing College Run Sewage Pumping Station for Frederick County, Maryland. The contract…
Water Storage and TanksCollington Elevated Water Storage Facility – Waterline Testing & Valve InstallationUpper Marlboro, Prince George's County, MarylandServed as Civil Subcontractor to Landmark Structures I, L.P. for waterline testing and valve installation associated with the Collington Elevated Water Storage Facility.
Water Supply and InfrastructureCopperfield Well Sites – Electrical Distribution & Standby Power ImprovementsJefferson, Frederick County, MarylandServed as Trade Subcontractor to Kinsley Construction Industrial Division for the electrical portion of the Copperfield Well Sites improvements associated with Frederick County's…
Industrial and EnvironmentalCSX Curtis Bay Piers Stormwater Storage Pond RetrofitBaltimore, MarylandServed as Trade Subcontractor to Dana B. Kenyon Company, the Prime Contractor / General Contractor, for the electrical portion of the CSX Transportation stormwater storage pond…
Wastewater Treatment PlantsDefense Distribution Center Susquehanna – New Cumberland WWTP ReplacementNew Cumberland, Cumberland County, PennsylvaniaJohnston Construction Company served as Prime Contractor for the comprehensive replacement of the wastewater treatment plant serving the Defense Distribution Center Susquehanna in New…
Pump StationsDominion Valley Section 53 Sanitary Sewage Pump StationHaymarket, Prince William County, VirginiaServed as Prime Contractor for construction of a complete new sanitary sewage pumping station serving Dominion Valley Section 53.
Wastewater Treatment PlantsDorsey Run Advanced Wastewater Treatment Plant Sludge Dewatering UpgradeJessup, Howard County, MarylandThe project replaced two existing belt filter presses with two new high-speed centrifuge systems, including associated piping, valves, drives, controls, instrumentation, and…
Other Specialty ProjectsDoug Codner Patio – Concrete & Masonry ConstructionBoiling Springs, Cumberland County, PennsylvaniaConcrete Services Division, LLC served as Prime Contractor for the construction of a new residential patio in Boiling Springs, Pennsylvania.
Water Treatment PlantsDover Long Point Water Treatment Plant Process ImprovementsDover, Kent County, DelawareServed as Prime Contractor for a comprehensive process upgrade to the City of Dover's Long Point Water Treatment Plant.
Water Supply and InfrastructureEast Berlin Water System Improvements – Well Flow Meter ReplacementEast Berlin, Adams County, PennsylvaniaJohnston Construction Company performed subcontracted water-system improvement work associated with the East Berlin Area Joint Authority’s Water System Improvements project.
Pump StationsEast County Booster Pump Station Third Pump AdditionFrederick, MarylandJohnston Construction Company performed construction work for the East County Booster Pump Station Third Pump Addition project in Frederick, Maryland.
Water Storage and TanksEast Vincent 750,000-Gallon Elevated Water Storage TankSpring City, Chester County, PennsylvaniaJohnston Construction Company performed subcontract construction work for the East Vincent Elevated Tank Project in Spring City, Pennsylvania.
Wastewater Treatment PlantsEast York Interceptor UpgradeSpringettsbury Township, York County, PennsylvaniaFurnished and installed electrical power conduit, wiring and equipment connections for the East York Interceptor Upgrade.
Pump StationsEbenezer Church Sewage Pump Station ReplacementStafford, Stafford County, VirginiaServed as Prime Contractor for construction of a new sewage pumping station for Stafford County.
Pump StationsEdgar Road Water Pumping Station ImprovementsEllicott City, Howard County, MarylandThe project included demolition and replacement of existing electrical, communication, instrumentation, and control components at the operating water pumping station.
Pump StationsEstates At Autumn Oaks Phase 1BHarrisburg, PennsylvaniaJohnston Construction Company was selected by McNaughton Homes to install water booster stations for the Estates at Autumn Oaks Phase 1B development.
Water Storage and TanksFairfax Water University Tank ReplacementFairfax, Fairfax County, VirginiaPerformed the major civil sitework and utility improvements supporting construction of the new 2.5 MG composite elevated water storage tank.
Water Storage and TanksFawn Lake Water System – Masthope 250,000-Gallon Pedesphere Water Storage TankLackawaxen Township, Pike County, PennsylvaniaPerformed the electrical construction package for Aqua Pennsylvania’s new 250,000-gallon Pedesphere elevated water storage tank serving the Fawn Lake Water System. ESD furnished the…
Water Storage and TanksFederal Street 500,000-Gallon Elevated Water Storage TankMilton, DelawareJohnston Construction Company performed civil, mechanical, electrical, and instrumentation construction work for the new Federal Street 500,000-gallon elevated water storage tank in…
Wastewater Treatment PlantsFGGM WWTP Administration Building Boiler Room RehabilitationFort Meade, MarylandESD performed electrical lockout and demolition for equipment being replaced within the existing boiler-room facility.
Water Storage and TanksFields Farm 500,000-Gallon Composite Elevated Water Storage TankPurcellville, Loudoun County, VirginiaJohnston Construction Company performed civil, site, piping, electrical, foundation, access road, and related construction work for the Fields Farm 0.5 Million Gallon Elevated Water…
Water Treatment PlantsFort Detrick Water Treatment Plant Underdrain Filter ReplacementFort Detrick, Frederick, MarylandJohnston Construction Company performed design-build construction services for the replacement of five underdrain filter systems at the Fort Detrick Water Treatment Plant in Frederick…
Wastewater Treatment PlantsFort George G. Meade WWTP Backwash Valve ReplacementFort Meade, MarylandJohnston Construction Company replaced the large-diameter gate and check valves serving Backwash Pumps 1 and 2 at the Fort George G. Meade Wastewater Treatment Plant.
Wastewater Treatment PlantsFort George G. Meade WWTP Post-Aeration & Effluent Structures 1 and 2 RehabilitationFort Meade / Laurel, MarylandProvided engineering, design and construction for rehabilitation of two existing post-aeration and effluent structures at the Fort Meade WWTP.
Wastewater Treatment PlantsFort George G. Meade WWTP – Fine Screen Parts ReplacementFort Meade / Laurel, MarylandJohnston Construction Company rehabilitated two fine-screen systems serving the Fort George G. Meade Wastewater Treatment Plant.
Water Storage and TanksFort Meade 500,000-Gallon Torus-Bottom Elevated Water Storage TankFort George G. Meade, Anne Arundel County, MarylandPerformed the civil and site construction supporting a 500,000-gallon torus-bottom elevated water storage tank at Fort Meade.
Pump StationsFort Meade Stables Sanitary Lift Station RehabilitationFort George G. Meade, MarylandUpgraded and rehabilitated the existing Stables Sanitary Lift Station serving the Fort Meade wastewater system.
Wastewater Treatment PlantsFort Meade Wastewater Treatment Plant Grit Removal System RehabilitationFort Meade / Laurel, MarylandConcrete Services Division, LLC performed specialized concrete construction for rehabilitation of the grit removal system at the Fort George G. Meade Wastewater Treatment Plant.
Wastewater Treatment PlantsFort Meade Wastewater Treatment Plant Ultraviolet Redundant SystemFort Meade, MarylandJohnston Construction Company provided design-build services for a redundant ultraviolet disinfection system at the Fort Meade Wastewater Treatment Plant.
Water Treatment PlantsFort Meade Water Treatment Plant Flocculation and Sedimentation Basin CoversFort Meade, MarylandJohnston Construction Company provided design-build services for the installation of protective covers over the existing flocculation and sedimentation basins at the Fort Meade Water…
Wastewater Treatment PlantsFort Meade WWTP – Intermediate & Emergency Effluent Pump ReplacementsFort George G. Meade, MarylandJohnston Construction Company was selected by American Water Operations and Maintenance, Inc. to complete the design-build rehabilitation and replacement of the Intermediate and…
Wastewater Treatment PlantsFort Meade WWTP – WAS & RAS Pump ReplacementsFort George G. Meade, MarylandServed as Civil Subcontractor to American Water Operations and Maintenance, Inc. for the Waste Activated Sludge (WAS) and Return Activated Sludge (RAS) pump replacement project at the…
Water Storage and TanksFort Smallwood 2.0 MG Composite Elevated Water Storage TankPasadena, Anne Arundel County, MarylandJohnston Construction Company served as the Civil Subcontractor to Caldwell Tanks, Inc. for construction of the Fort Smallwood Elevated Water Storage Tank. The overall County project…
Industrial and EnvironmentalFranklin H. Kreider Company – Aboveground Fuel Tank Modification CertificationLancaster, Pennsylvania 17601Johnston Construction Company served as Prime Contractor for the inspection and certification of modifications to five existing aboveground fuel storage tanks at the Franklin H.…
Water Storage and TanksFranklin-Malone 0.75 MG Water Storage Tank & Rechloramination StationCanton Township, Washington County, PennsylvaniaPerformed the major civil construction package supporting Pennsylvania-American Water Company’s new 0.75-million-gallon Franklin-Malone welded steel water storage tank and associated…
Wastewater Treatment PlantsFrederick Digester Mixing EquipmentFrederick, MarylandDelivered a design-build digester mixing equipment project for the City of Frederick Wastewater Treatment Plant.
Pump StationsFront Royal Wastewater Treatment Plant Influent Pump Station UpgradeFront Royal, Warren County, VirginiaJohnston Construction Company completed the Upgrade of Influent Pump Station at the Town of Front Royal Wastewater Treatment Plant.
Water Storage and TanksGarrison Oak 1.5-Million-Gallon Composite Elevated Water Storage Tank – Foundation & Infrastructure ConstructionDover, Delaware 19901Johnston Construction Company served as Civil Subcontractor to Chicago Bridge & Iron (CB&I) for the construction of foundations and supporting infrastructure associated with a…
Water Storage and TanksGeneral Hancock 4.1 MG Hydropillar Elevated Water Storage TankMontgomery Township, Montgomery County, PennsylvaniaJohnston Construction Company provided mechanical, piping, coordination, testing support, and project closeout services for North Wales Water Authority’s General Hancock Elevated Water…
Water Treatment PlantsGenerals Greene Water Treatment Plant – 1,500-Gpm Facility Replacement & RehabilitationDover, Delaware 19901Johnston Construction Company served as Prime Contractor for the Generals Greene Water Treatment Plant Rehabilitation Project in Dover, Delaware, involving the demolition of existing…
Wastewater Treatment PlantsGeorge's Chicken Wastewater Treatment System ImprovementsEdinburg, Shenandoah County, VirginiaJohnston Construction Company served as Prime Contractor for the wastewater treatment system improvements at George’s Chicken’s Edinburg, Virginia facility.
Wastewater Treatment PlantsGifford Pinchot State Park Sewage Treatment Plant RehabilitationWarrington Township, York County, PennsylvaniaJohnston Construction Company served as the prime General Contractor for the rehabilitation of the sewage-treatment plant and main lift station at Gifford Pinchot State Park.
Wastewater Treatment PlantsGiorgio Foods Industrial WWTP Phase I UpgradeBlandon, Berks County, PennsylvaniaServed as Prime Contractor directly to Giorgio Foods, Inc. for the comprehensive Phase I upgrade of the company's industrial wastewater treatment plant in Maidencreek Township, Pennsylvania.
Wastewater Treatment PlantsGiorgio Foods WWTP Phase 1 – Lagoon Aeration System ImprovementsReading, Berks County, PennsylvaniaUpgraded the existing industrial wastewater treatment lagoon aeration system through installation of a new Parkson Biolac® W aeration system while maintaining wastewater treatment…
Industrial and EnvironmentalGlatfelter Paper Plant – Frp Bleach Tank Replacement & Process Equipment WorkSpring Grove, Pennsylvania 17362Johnston Construction Company served as Prime Contractor for a series of process-equipment improvements at the Glatfelter Paper Plant in Spring Grove, Pennsylvania.
Water Storage and TanksGleneagles 2 MG Composite Elevated Water Storage Tank & Utility FacilitiesWhite Plains, Charles County, MarylandJohnston Construction Company served as the prime contractor for the Gleneagles Water Tower Construction project for Charles County Government.
Water Treatment PlantsGorman Avenue Water Treatment Plant Chemical Room Overhead Door ReplacementOcean City, MarylandJohnston Construction Company performed the replacement of the overhead coiling door serving the Chemical and Control Building at the Gorman Avenue Water Treatment Plant.
Water Treatment PlantsGorman Avenue Water Treatment Plant Clarifier RehabilitationOcean City, Worcester County, MarylandThe project included the rehabilitation of two existing circular solids-contact clarifiers, including removal and replacement of mechanical equipment, concrete-tank repairs, concrete…
Water Treatment PlantsGorman Avenue Water Treatment Plant Ferric Chloride System AdditionOcean City, Worcester County, MarylandThe project included construction of a new bulk ferric chloride storage facility and installation of a complete chemical storage, transfer, metering, and feed system.
Water Treatment PlantsGorman Water Treatment Plant – 12-Inch Valve ReplacementGorman Water Treatment Plant, Ocean City, MarylandJohnston Construction Company served as Prime Contractor for the replacement of a 12-inch water valve at the Gorman Water Treatment Plant in Ocean City, Maryland, under a…
Water Storage and TanksGreenbrier 218,000-Gallon Water Storage Tank & 500-GPM Booster Pump StationLexington Park, St. Mary's County, MarylandJohnston Construction Company completed the Greenbrier Water Storage Tank project for the St. Mary’s County Metropolitan Commission.
Pump StationsGreene Township Pump Stations No. 2 & 3 RehabilitationChambersburg, Franklin County, Pennsylvania – Two Pump StationsJohnston Construction Company served as Prime Contractor for the General Construction improvements associated with the comprehensive rehabilitation of Greene Township Municipal…
Wastewater Treatment PlantsHagerstown WWTP Biosolids Upgrade Phase 1B – DAFT RehabilitationHagerstown, Washington County, MarylandPerformed the major civil and process rehabilitation package for the Hagerstown Wastewater Treatment Plant Biosolids Upgrade Phase 1B, centered on replacement and modernization of the…
Wastewater Treatment PlantsHagerstown WWTP Phase 2 Dryer RehabilitationHagerstown, Washington County, MarylandPerformed the major electrical construction package associated with the Phase 2 Dryer Rehabilitation at the City of Hagerstown Wastewater Treatment Plant.
Wastewater Treatment PlantsHagerstown WWTP – Sludge Storage & Digester Conversion ImprovementsHagerstown, Washington County, MarylandJohnston Construction Company served as the Design-Build Subcontractor for the conversion of existing Secondary Digester No. 2 into an additional sludge holding tank at the Hagerstown…
Industrial and EnvironmentalHammaker East Asphalt Emulsion Plant – Industrial Tank ModificationsChambersburg, Pennsylvania 17201Johnston Construction Company served as Prime Contractor for an industrial tank modification project at the Hammaker East Asphalt Emulsion Plant in Chambersburg, Pennsylvania.
Water Storage and TanksHarrington 500,000-Gallon Elevated Water Storage Tank and Well HouseHarrington, Kent County, DelawareJohnston Construction Company completed the 500,000-Gallon Elevated Water Storage Tank and Well House project for the City of Harrington.
Water Storage and TanksHickory Hills 2,000,000-Gallon Composite Elevated Water Tank & WellCalifornia, St. Mary's County, MarylandJohnston Construction Company performed the civil, mechanical, electrical, and instrumentation portions of the Hickory Hills Water Tower and Well project as a subcontractor to CB&I LLC.
Industrial and EnvironmentalHillandale Farms – 800A MCC & Electrical Distribution SystemDillsburg, York County, PennsylvaniaB & R Electrical Contractors, Inc. served as Trade Subcontractor to Control Systems 21 for construction of a new 800A, 480/277V, 3-phase, 4-wire electrical service serving the Control…
Water Storage and TanksHollywood 0.5 MG Spheroidal Elevated Water Storage TankHollywood, St. Mary's County, MarylandJohnston Construction Company served as Civil Subcontractor to Caldwell Tanks, Inc. for the civil, foundation, utility, electrical and instrumentation work supporting the new…
Industrial and EnvironmentalHoneygo Run Reclamation Center Leachate Tank T-2 ReplacementPerry Hall, MarylandJohnston Construction Company performed construction services for the Honeygo Run Reclamation Center Leachate Tank T-2 Replacement project in Perry Hall, Maryland.
Water Storage and TanksHopewell 2.5 MG Composite Elevated Water Storage TankHopewell, VirginiaJohnston Construction Company performed civil, mechanical, electrical, and instrumentation work for the Virginia American Water Hopewell District 2.5 Million Gallon Domestic Elevated…
Industrial and EnvironmentalHuntingdon Wastewater Treatment Plant – 2,000-Gallon Diesel Tank CertificationHuntingdon, Pennsylvania 16652Johnston Construction Company served as Prime Contractor for the certification of an existing 2,000-gallon aboveground diesel storage tank at the Huntingdon Wastewater Treatment Plant…
Water Storage and TanksIndustrial Zone 2 MG Composite Elevated Water Storage TankMartinsburg, Berkeley County, West VirginiaJohnston Construction Company performed civil, mechanical, electrical, and instrumentation work for the Industrial Zone Water Storage Tank in Berkeley County, West Virginia.
Water Storage and TanksJackson Township 750,000-Gallon Elevated Water Storage TankJackson Township, Butler County, PennsylvaniaJohnston Construction Company performed the civil, foundation, mechanical, electrical, and instrumentation construction supporting a new 750,000-gallon elevated water-storage tank.
Pump StationsJennifer Road Sewage Pumping Station UpgradeAnnapolis, MarylandJohnston Construction Company was selected by Anne Arundel County Department of Public Works to complete the Jennifer Road Sewage Pumping Station Upgrade, a major pump station…
Wastewater Treatment PlantsKent County Regional Resource Recovery Facility – Blower Optimization & Standby Power ImprovementsMilford, Kent County, DelawareJohnston Construction Company installed two Owner-furnished high-speed turbo blowers at the Kent County Regional Resource Recovery Facility.
Water Storage and TanksKing Kennedy Water System Replacement – Ground Storage Tank & Water Booster StationMechanicsville, St. Mary's County, MarylandJohnston Construction Company completed the King Kennedy Water System Replacement – Ground Storage Tank & Water Booster Station project for St. Mary’s County Metropolitan Commission in…
Water Storage and TanksKings Gap Environmental Education Center Water Tower RehabilitationDickinson Township, Cumberland County, PennsylvaniaJohnston Construction Company performed the plumbing construction associated with rehabilitation of the historic water tower at Kings Gap Environmental Education Center.
Wastewater Treatment PlantsLancaster City WWTP – South Train Flow Diversion Weir Gate RepairLancaster, Pennsylvania 17603Johnston Construction Company served as Prime Contractor for repair of an existing flow-diversion weir gate at the City of Lancaster Wastewater Treatment Plant.
Water Storage and TanksLaurel 500,000-Gallon Elevated Water Storage Tank – Foundation & Infrastructure ConstructionLaurel, Delaware 19956Johnston Construction Company served as Civil Subcontractor to Chicago Bridge & Iron Co. (CB&I) for the construction of a new 500,000-gallon elevated water storage tank facility in…
Pump StationsLemoyne Municipal Authority – Clark & Walton Street Pump Station ReplacementsLemoyne, Cumberland County, PennsylvaniaJohnston Construction Company served as the General Construction Contractor for the replacement of the Clark Street and Walton Street wastewater pump stations.
Water Storage and TanksLewes 1 MG Elevated Water Storage TankLewes, DelawareJohnston Construction Company performed the civil, mechanical, electrical, and instrumentation construction associated with a new one-million-gallon elevated water storage tank for the…
Water Storage and TanksLittle Patuxent 2 MG Elevated Water Storage TankLaurel, MarylandElectrical Services Division performed the electrical and instrumentation work for the Little Patuxent Elevated Water Storage Tank project in Laurel, Maryland.
Pump StationsLong Drive Booster Pump StationAberdeen, Harford County, MarylandJohnston Construction Company served as the prime contractor for construction of the Long Drive Booster Pump Station for the City of Aberdeen.
Pump StationsLong Quarter Sewage Pumping Station – Pump Motor Replacement & Vibration Corrective WorkTowson, Maryland 21286Johnston Construction Company served as Prime Contractor for corrective work addressing motor noise and vibration issues associated with the Long Quarter Sewage Pumping Station's…
Water Storage and TanksLoudoun 600 Zone 1.0 MG Steel Spheroidal Elevated Water Storage TankLeesburg, Loudoun County, VirginiaPerformed major civil construction supporting Loudoun Water's new 1,000,000-gallon steel spheroidal elevated water storage tank for the 600 Pressure Zone in Loudoun County, Virginia.…
Wastewater Treatment PlantsLower Allen Township WWTF Gravity Thickener ImprovementsNew Cumberland, Cumberland County, PennsylvaniaRehabilitated two existing 40-foot-diameter gravity thickeners, each enclosed by a fiberglass dome, while maintaining operation of the active Lower Allen Township Authority wastewater…
Wastewater Treatment PlantsMarlay Taylor Water Reclamation Facility Secondary Clarifier No. 1 ReplacementLexington Park, St. Mary's County, MarylandJohnston Construction Company completed the Marlay Taylor Water Reclamation Facility Secondary Clarifier No. 1 Replacement project for the St. Mary’s County Metropolitan Commission.
Water Supply and InfrastructureMarsh Creek Dam Emergency Spillway RehabilitationDowningtown, Chester County, PennsylvaniaServed as Prime Contractor directly to the Commonwealth of Pennsylvania Department of Conservation and Natural Resources (DCNR) for rehabilitation of the emergency spillway at Marsh…
Pump StationsMarshall Heights Pump Station and Reservoir ImprovementsOrange, VirginiaJohnston Construction Company served as the prime contractor for comprehensive improvements to the Marshall Heights Pump Station and Reservoir serving the Town of Orange, Virginia.
Water Storage and TanksMarshall Heights Water Tank Improvements – Standpipe Demolition & 300,000-Gallon Tank ReplacementOrange, Orange County, VirginiaThe project included demolition and off-site disposal of the existing Marshall Heights standpipe and associated structures, piping, utilities, and concrete components.
Industrial and EnvironmentalMartin State Airport Groundwater Treatment FacilityMiddle River, Baltimore County, MarylandJohnston Construction Company served as the Civil Subcontractor to AECOM Technical Services, Inc. for construction of the Martin State Airport Groundwater Treatment Facility. The…
Water Storage and TanksMassaponax 1 MG Composite Elevated Water Storage TankFredericksburg, Spotsylvania County, VirginiaJohnston Construction Company performed construction of the Massaponax Elevated Water Storage Tank project for Spotsylvania County Utilities.
Wastewater Treatment PlantsMattawoman Wastewater Treatment Plant Energy-Saving Improvements – UV System UpgradeLa Plata, Charles County, MarylandJohnston Construction Company performed the construction and installation work associated with the Mattawoman Wastewater Treatment Plant Energy-Saving Improvements UV System Upgrade.
Wastewater Treatment PlantsMattawoman Water Reclamation Facility – Primary Clarifier No. 1 ImprovementsLa Plata, Charles County, MarylandServed as Prime Contractor for comprehensive improvements to Primary Clarifier No. 1 at the operating Mattawoman Water Reclamation Facility.
Wastewater Treatment PlantsMattawoman WWTP Building 22A Doorway ExpansionLa Plata, Charles County, MarylandServed as Prime Contractor for the Building 22A exterior doorway modification at the operating Mattawoman Wastewater Treatment Plant. The primary objective of the project was to…
Water Storage and TanksMayne Property 500,000-Gallon Elevated Water Storage TankLibertytown, Frederick County, MarylandJohnston Construction Company performed the civil, mechanical, insulation, electrical, and instrumentation work supporting construction of a new 500,000-gallon elevated potable-water…
Industrial and EnvironmentalMicron MTV Expansion Plant 4 – 1,000,000-Gallon Liquid Nitrogen Storage Tank FoundationManassas, VirginiaPerformed ground improvement, earthwork and reinforced concrete foundation construction for a new 1,000,000-gallon liquid nitrogen (LIN) storage tank.
Pump StationsMiddletown Water Booster Station ImprovementsMiddletown, Frederick County, MarylandJohnston Construction Company completed major upgrades to the Town of Middletown’s existing water booster station.
Water Storage and TanksMilford Corporate Center 300,000-Gallon Elevated Water Storage TankMilford, DelawarePerformed concrete forming, placement, finishing, and curing for the tank foundation of a new 300,000-gallon elevated water storage tank.
Wastewater Treatment PlantsMill Bottom WWTP – ICEAS Treatment System Electrical ImprovementsMount Airy, Frederick County, MarylandPerformed the electrical construction associated with the Mill Bottom Wastewater Treatment Plant Facility Upgrade for Frederick County.
Wastewater Treatment PlantsMillsboro 100,000-Gallon Elevated Effluent Storage TankMillsboro, Sussex County, DelawareJohnston Construction Company performed foundation, dewatering, piping, and conduit bank construction work for the Millsboro 100Kgal EWST project in Sussex County, Delaware.
Water Storage and TanksMonrovia Tank No. 2 – 1 MG Elevated Water Storage TankMonrovia, Frederick County, MarylandJohnston Construction Company performed civil, mechanical, electrical, and instrumentation construction work for the Monrovia Tank No. 2 project in Monrovia, Maryland.
Water Treatment PlantsMontebello Filtration Plant II Emergency Filter RepairBaltimore, MarylandCompleted comprehensive rehabilitation of five filter cells, including removal of the existing filter media, removal and disposal of the existing clay and plastic-tile underdrain…
Water Treatment PlantsNaval Support Activity Annapolis Water Treatment Plant – Water Conservation ProjectAnnapolis, MarylandDelivered a turnkey design-build water treatment plant upgrade at the U.S. Naval Academy, including final design, engineering, permitting, construction, equipment installation…
Other Specialty ProjectsNissley's Garage Structural Slab-on-Deck ReplacementMechanicsburg, Cumberland County, PennsylvaniaPerformed the complete removal and replacement of the existing garage slab-on-deck, approximately 19'-5" × 21'-6".
Water Storage and TanksNorth Duck Creek 750,000-Gallon Elevated Water Storage TankSmyrna, Kent County, DelawareJohnston Construction Company performed civil, electrical, and instrumentation work for the North Duck Creek Water Tower project in Smyrna, Delaware.
Pump StationsNorth Laurel Wastewater Pumping StationNorth Laurel, MarylandJohnston Construction Company was selected by Howard County, Maryland to construct the North Laurel Wastewater Pumping Station, a major wastewater infrastructure project delivered…
Pump StationsNorth Lebanon Township Wastewater Pumping Station ImprovementsNorth Lebanon Township, Lebanon County, PennsylvaniaB & R Electrical Contractors, Inc. served as Prime Contractor for improvements to four active North Lebanon Township Municipal Authority wastewater pumping stations: Jay Street, Orange…
Water Storage and TanksNortheast Tank Altitude Valve VaultAberdeen, Harford County, MarylandJohnston Construction Company served as the prime General Contractor for construction of the Northeast Tank Altitude Valve Vault.
Water Treatment PlantsOcean City 100th Street Chlorine Booster Station & 15th Street WTP GAC Filter ImprovementsOcean City, Worcester County, Maryland — Two FacilitiesServed as Prime Contractor for Contract WR/OC-194, completing improvements at two active Town of Ocean City water-system facilities: the 100th Street Chlorine Booster Station and the…
Water Storage and TanksOcean City 15th Street & Worcester Street Elevated Water Tank DemolitionOcean City, Worcester County, Maryland — Two Tank SitesServed as Prime Contractor for Bid Items B-2 and B-3 of the Town of Ocean City's Demolition of 15th Street and Worcester Street Water Tanks project. The executed agreement identifies…
Water Storage and TanksOcean City 1st Street 1.0 MG Elevated Water Storage TankOcean City, Worcester County, MarylandServed as Civil Subcontractor to CB&I Inc., performing a multidisciplinary package of civil, mechanical, electrical, instrumentation and controls work supporting construction of the…
Pump StationsOcean City 28th Street Wastewater Pumping Station ImprovementsOcean City, Worcester County, MarylandJohnston Construction Company completed the 28th Street Wastewater Pumping Station Improvements project for the Town of Ocean City, Maryland.
Pump StationsOcean City 2nd Street Wastewater Pumping Station ImprovementsOcean City, Worcester County, MarylandJohnston Construction Company served as Prime Contractor under a direct agreement with the Mayor and City Council of Ocean City.
Wastewater Treatment PlantsOcean City 64th Street WWTP – Disinfection System Preconstruction ServicesOcean City, Worcester County, MarylandJohnston Construction Company provided preconstruction and construction budget-estimating services for the Town of Ocean City’s planned Disinfection System Upgrades at the 64th Street…
Wastewater Treatment PlantsOcean City 64th Street WWTP – Secondary Clarifier Preconstruction ServicesOcean City, Worcester County, MarylandJohnston Construction Company provided preconstruction, value-engineering and budget-estimating services for the Town of Ocean City’s planned secondary clarifier improvements at the…
Other Specialty ProjectsOcean City Convention Center 750 kW Generator ReplacementOcean City, MarylandB & R Electrical Contractors performed electrical construction work for the Ocean City Convention Center 750kW Generator Replacement project in Ocean City, Maryland.
Wastewater Treatment PlantsOcean City WWTP – Disinfection System UpgradesOcean City, Worcester County, MarylandConverted the wastewater treatment plant's existing chlorine and sulfur dioxide gas disinfection systems to new liquid sodium hypochlorite and sodium bisulfite chemical-feed systems…
Wastewater Treatment PlantsOcean City WWTP – Fournier Rotary Press ReplacementOcean City, Worcester County, MarylandCompleted replacement and installation of a Fournier Rotary Press sludge-dewatering system at the Ocean City Wastewater Treatment Plant.
Wastewater Treatment PlantsOcean City WWTP – Headworks Sluice Gate & Equipment RepairsOcean City, Maryland 21842Johnston Construction Company served as Prime Contractor for repair work at the Ocean City Wastewater Treatment Plant headworks facility.
Wastewater Treatment PlantsOcean City WWTP – North & South Clarifier FRP Walkway PlatformOcean City, Worcester County, MarylandServed as Prime Contractor for the installation of a new fiberglass reinforced plastic (FRP) walkway platform between the North and South Clarifiers at the Town of Ocean City's…
Water Storage and TanksOcean View District 1,000,000-Gallon Elevated Water Storage TankMillville, Sussex County, DelawareJohnston Construction Company performed the civil, foundation, mechanical, electrical, and instrumentation construction supporting a new one-million-gallon elevated water-storage tank.
Water Storage and TanksOlney 1.5 MG Elevated Water Storage Tank & Standpipe ReplacementOlney, Montgomery County, MarylandPerformed the comprehensive civil and mechanical construction package supporting WSSC's Olney Standpipe Replacement project.
Industrial and EnvironmentalP.H. Glatfelter – Hardwood 4th Stage Tower Foundation RepairSpring Grove, Pennsylvania 17362Concrete Services Division, LLC served as Civil Subcontractor to Reco Constructors for structural concrete work associated with Glatfelter's Hardwood 4th Stage Tower at the Spring…
Water Treatment PlantsPark Water Plant Flow Meter ReplacementSalisbury, Wicomico County, MarylandJohnston Construction Company served as the prime contractor for the installation of a new 16-inch magnetic flow meter and associated improvements at the City of Salisbury’s Park Water…
Water Treatment PlantsPark Water Plant Fluoride System ImprovementsSalisbury, Wicomico County, MarylandJohnston Construction Company completed improvements to the fluoride chemical-feed and drain system at the City of Salisbury’s Park Water Plant.
Water Storage and TanksParkview 0.5 MG Composite Elevated Water Storage TankHarrisonburg, VirginiaPerformed the civil construction required to support the City of Harrisonburg's new 500,000-gallon elevated composite water storage tank at the Parkview Tank site near Eastern…
Water Storage and TanksPendleton 500,000-Gallon Elevated Water Storage TankCaroline County, VirginiaPerformed foundation and site support work for a new 500,000-gallon spheroidal welded steel elevated water storage tank.
Wastewater Treatment PlantsPerdue Foods Wastewater Pretreatment System Upgrade – DAF Cell No. 1Georgetown, Sussex County, DelawareServed as Prime Contractor for a comprehensive upgrade to Perdue Foods' wastewater pretreatment facility in Georgetown, Delaware.
Water Storage and TanksPershing Hill Tank Rehabilitation Remaining WorkFort Meade, MarylandJohnston Construction Company performed the remaining rehabilitation work for the Pershing Hill elevated water storage tank at Fort Meade, Maryland.
Industrial and EnvironmentalPhoenix Resources Landfill – Leachate Concentrator InstallationWellsboro, Pennsylvania 16901Johnston Construction Company served as Prime Contractor for the leachate concentrator installation at Waste Management's Phoenix Resources Landfill in Wellsboro, Pennsylvania…
Wastewater Treatment PlantsPiscataway WRRF Grit Bucket Elevator No. 3 RebuildAccokeek, Prince George's County, MarylandPerformed a substantial rebuild of Grit Bucket Elevator No. 3 at the operating Piscataway Water Resource Recovery Facility.
Wastewater Treatment PlantsPiscataway WWTP – Grit Bucket Elevator No. 1 RebuildAccokeek, Maryland 20607-9767Johnston Construction Company served as Prime Contractor for the substantial turnkey rebuild of existing Grit Bucket Elevator No. 1 at the Piscataway Wastewater Treatment Plant.
Industrial and EnvironmentalPlainville Farms – 4,224-Gallon Ferric Chloride Storage Tank InspectionNew Oxford, Pennsylvania 17350Johnston Construction Company served as Prime Contractor for the inspection and regulatory documentation of a 4,224-gallon ferric chloride storage tank at the Plainville Farms facility…
Pump StationsPleasure Road Pump Station – 18-Inch Control Valve Sleeve ReplacementLancaster, Lancaster County, PennsylvaniaCompleted valve sleeve replacement work at the Pleasure Road Pump Station for the Lancaster Area Sewer Authority.
Pump StationsPomonkey Pump Station ImprovementsIndian Head, Charles County, MarylandJohnston Construction Company performed construction work for the Pomonkey Pump Station Improvements project in Indian Head, Maryland.
Wastewater Treatment PlantsPoolesville WWTP – Belt Filter Press ReplacementPoolesville, Maryland 20837Johnston Construction Company served as Prime Contractor for replacement of the sludge-dewatering belt filter press at the Poolesville Wastewater Treatment Plant.
Water Storage and TanksPost Oak Middle School 150,000-Gallon Elevated Water Storage TankSpotsylvania, Spotsylvania County, VirginiaJohnston Construction Company performed the civil, foundation, mechanical, electrical, instrumentation, and site-development work supporting construction of a new 150,000-gallon…
Pump StationsPotomac Creek Pump Station UpgradesStafford County / Fredericksburg, VirginiaJohnston Construction Company performed pump station upgrade work for the Potomac Creek Pump Station Upgrades project in Stafford County, Virginia.
Wastewater Treatment PlantsPreston Wastewater Treatment Plant UpgradePreston, Caroline County, MarylandServed as Prime Contractor for a comprehensive modernization of the Town of Preston Wastewater Treatment Plant.
Water Storage and TanksRaising of Denton 500,000-Gallon Elevated Water Storage TankYork Township, York County, PennsylvaniaJohnston Construction Company participated as a subcontractor in the improvements to the existing 500,000-gallon Denton Elevated Water Storage Tank.
Pump StationsRaw Sewage Pump Replacement ProjectDenver, Lancaster County, PennsylvaniaJohnston Construction Company completed the general and mechanical work for the Raw Sewage Pump Replacement Project at the Adamstown Borough Wastewater Treatment Plant.
Water Storage and TanksRichland Borough 500,000-Gallon Elevated Water Storage TankRichland Borough, Lebanon County, PennsylvaniaJohnston Construction Company performed civil, foundation, electrical, and insulation work for the Richland Borough Elevated Water Storage Tank project in Richland Borough, Pennsylvania.
Water Storage and TanksRidge Road 2 MG Composite Elevated Water Storage TankMartinsburg, Berkeley County, West VirginiaJohnston Construction Company performed civil, mechanical, electrical, and instrumentation work for the Industrial Zone and Ridge Road Water Storage Tanks project in Berkeley County…
Pump StationsRiva Woods Sewage Pump Station UpgradeAnne Arundel County, MarylandJohnston Construction Company was selected by Anne Arundel County Department of Public Works to complete the Riva Woods Sewage Pump Station Upgrade, a rehabilitation project designed…
Water Treatment PlantsRolling Mill and Leslie Water Treatment Plants Powder Activated Carbon SystemsRolling Mill and Leslie WTPs, North East, MarylandJohnston Construction Company served as the prime contractor for installation of new powder activated carbon feed systems at the Rolling Mill and Leslie Water Treatment Plants.
Water Storage and TanksRound Hill Water System Airmont 500,000-Gallon Elevated Water Storage TankRound Hill, Loudoun County, VirginiaJohnston Construction Company performed construction work for the Round Hill Water System Airmont Water Tank project in Round Hill, Virginia.
Pump StationsRoute 925B Pump Station ReplacementSt. Charles, Charles County, MarylandThe project included construction of a new approximately 10-foot-diameter wet well and installation of new submersible wastewater pumps.
Water Storage and TanksS.E. Milford 0.75 MG Spheroidal Elevated Water Storage TankMilford, Sussex County, DelawareJohnston Construction Company served as Civil Subcontractor to CB&I for construction of the new 750,000-gallon S.E. Milford Elevated Storage Tank in Milford, Delaware. The overall…
Water Supply and InfrastructureSam Hill Estates Well No. 6 – Electrical Distribution & Controls ImprovementsMount Airy, Frederick County, MarylandPerformed the electrical construction required for improvements to Sam Hill Estates Well No. 6 in Mt. Airy, Maryland.
Pump StationsSecond Street Sewage Pumping Station Emergency Wet Well RepairsAnnapolis, Anne Arundel County, MarylandConcrete Services Division, LLC served as the Trade Subcontractor to JJID, Inc. for the City of Annapolis Second Street Sewage Pump Station Emergency Wetwell Repair / Wetwell…
Pump StationsSevern Run Sewage Pumping Station – Wet Well ExpansionSevern, Anne Arundel County, MarylandJohnston Construction Company completed the Severn Run Sewage Pumping Station Upgrade for Anne Arundel County Department of Public Works.
Water Storage and TanksShady Grove 3.0 MG Elevated Water Storage Tank & Standpipe ReplacementGaithersburg, Montgomery County, MarylandPerformed the civil and mechanical construction package supporting the replacement of the existing Shady Grove Standpipe with a new elevated water storage facility.
Other Specialty ProjectsSherony's Garage Structural Slab-on-Deck ConstructionMechanicsburg, Cumberland County, PennsylvaniaFurnished the labor, materials and equipment required to construct a new structural garage slab-on-deck system at the Sherony residence.
Water Treatment PlantsShipbuilders Well & Water Treatment FacilityMilton, Sussex County, DelawareJohnston Construction Company served as the prime General Contractor for Contract 2020-0131 of the Shipbuilders Well & Water Treatment Facility project.
Water Storage and TanksSixth Street Water Treatment Plant Clearwell No. 2 ImprovementsHarrisburg, PennsylvaniaJohnston Construction Company performed the Sixth Street Water Treatment Plant Clearwell No. 2 Improvements project for Veolia Water Pennsylvania, Inc.
Water Treatment PlantsSixth Street Water Treatment Plant Sodium Hypochlorite Generation System ReplacementHarrisburg, PennsylvaniaJohnston Construction Company performed design-build construction services for the VWPA Sixth St. WTP Hypo Generation Project in Susquehanna Township, Dauphin County, Pennsylvania.
Wastewater Treatment PlantsSod Run WWTP – Pump No. 2 VFD ReplacementPerryman, Harford County, MarylandServed as Prime Contractor directly to Harford County, Maryland for replacement of the Variable Frequency Drive serving Pump No. 2 at the Sod Run Wastewater Treatment Plant.
Pump StationsSolomons Island Headworks Pumping Station UpgradeSolomons, Calvert County, MarylandJohnston Construction Company completed the Solomons Island Headworks Pumping Station Upgrade for Calvert County Government.
Water Storage and TanksSouth Main 500,000-Gallon Elevated Water Storage TankPunxsutawney, Jefferson County, PennsylvaniaJohnston Construction Company performed the civil, foundation, mechanical, electrical, and instrumentation construction supporting a new 500,000-gallon elevated water-storage tank.
Water Storage and TanksSouth Park Street 750,000-Gallon Composite Elevated Water Storage TankDallastown, York County, PennsylvaniaJohnston Construction Company served as the prime contractor for construction of the new South Park Street elevated water storage tank.
Water Storage and TanksSouth Rehoboth District 1,000,000-Gallon Elevated Water Storage TankLewes, Sussex County, DelawareJohnston Construction Company performed the civil, foundation, mechanical, electrical, and instrumentation construction supporting a new one-million-gallon elevated water-storage tank…
Water Storage and TanksSouthfields 600,000-Gallon Elevated Water Storage TankElkton, Cecil County, MarylandJohnston Construction Company completed the civil, mechanical, electrical, and instrumentation work associated with the Southfields Elevated Water Storage Tank project in Elkton, Maryland.
Water Storage and TanksSt. Barnabas 2.5 MG Composite Elevated Water Tank Demolition and ReplacementOxon Hill, Prince George's County, MarylandPerformed the major civil, sitework and underground utility construction associated with the St. Barnabas Elevated Water Tank Demolition and Replacement project in Oxon Hill, Maryland.
Pump StationsSt. Charles Communities Pumping Station 7 – New Wastewater Pumping Station & Force MainWaldorf, Charles County, MarylandJohnston Construction Company was selected to construct the St. Charles Communities Pumping Station 7 project, a new wastewater pumping station serving the St. Charles Communities…
Pump StationsSt. Charles Communities – Stonehaven Pumping Station 8White Plains, Charles County, MarylandJohnston Construction Company performed Work Agreement A for the St. Charles Communities Pumping Station 8 project in the Stonehaven Neighborhood of the Village of Wooded Glen.
Pump StationsSt. Charles Pumping Station 3BWaldorf / Charles County, MarylandJohnston Construction Company was selected to construct the St. Charles Pumping Station 3B project, a new 7 MGD wastewater pumping station serving the St. Charles community in Charles…
Pump StationsSt. Charles Pumping Station 3B Equipment Upgrades – Phase 2White Plains, Charles County, MarylandJohnston Construction Company performed the St. Charles Pumping Station 3B Equipment Upgrades project for St. Charles Community, LLC in Charles County, Maryland.
Pump StationsSt. Marks Pumping Station No. 6 UpgradeWaldorf, Charles County, MarylandJohnston Construction Company completed the St. Mark’s Pump Station No. 6 Upgrade for Charles County, Maryland.
Pump StationsSt. Mary's Square Wastewater Pumping Station ReplacementLexington Park, St. Mary's County, MarylandJohnston Construction Company served as the general contractor for the St. Mary’s Square Wastewater Pumping Station Replacement project in St. Mary’s County, Maryland.
Water Treatment PlantsSt. Michaels Water System Improvements – Marengo & Glory WTPsSt. Michaels, Talbot County, MarylandServed as Prime Contractor directly to the Town of St. Michaels for comprehensive water-system improvements at the Town's two existing water treatment plants serving Marengo Street…
Pump StationsStafford Oaks Sewage Pump Station ReplacementStafford, Stafford County, VirginiaServed as Prime Contractor for the complete replacement and upgrade of the Stafford Oaks Sewage Pump Station.
Water Storage and TanksStaunton Crossing 1 MG Composite Elevated Water Storage TankStaunton, VirginiaJohnston Construction Company performed construction work for the Staunton Crossing Elevated Water Storage Tank project in Staunton, Virginia.
Pump StationsStaunton Crossing Water and Sewer ExtensionsStaunton, VirginiaConstructed a new wastewater pump station and wet well as part of the Staunton Crossing Water and Sewer Extensions project.
Water Storage and TanksSteelton DBP Rule Compliance Improvements – 260,000-Gallon Clearwell & WTP RetrofitSteelton, Dauphin County, PennsylvaniaPerformed the major civil, sitework, utility and water-treatment-plant retrofit scope supporting construction of the new 260,000-gallon clearwell.
Pump StationsStonehaven Pumping Station 8 – Temporary Pump-Around SystemWhite Plains, Charles County, MarylandJohnston Construction Company furnished and installed a complete temporary pump-around system supporting construction and commissioning of Stonehaven Neighborhood Pumping Station No. 8.
Pump StationsSummer Hill Booster Station UpgradePlumstead Township, Bucks County, PennsylvaniaB & R Electrical Contractors, Inc. served as the Prime Contractor for Contract No. 16-2E for the electrical portion of the Summer Hill Booster Station Upgrade. The executed agreement…
Wastewater Treatment PlantsSusquehanna Water Pollution Control Facility Disinfection ImprovementsWashington Boro, Lancaster County, PennsylvaniaJohnston Construction Company served as the Prime Contractor for Contract One – General Construction for the Lancaster Area Sewer Authority's Susquehanna Water Pollution Control…
Water Treatment PlantsSusquehanna Water Treatment Plant – Intake Traveling Water Screen RepairColumbia, Pennsylvania 17512Johnston Construction Company served as Prime Contractor for the mechanical repair of two existing FMC Link-Belt traveling water screens at the Susquehanna Water Treatment Plant in…
Water Storage and TanksSussex Shores Water Company – Clearwell 2-2 InstallationOcean View, Sussex County, DelawareConstructed the foundation for a new 50,000-gallon clearwell.
Water Treatment PlantsSussex Shores WTP No. 1 Pretreatment ImprovementsBethany Beach, Sussex County, DelawareJohnston Construction Company served as Prime Contractor for the pretreatment improvements at Sussex Shores Water Company’s Water Treatment Plant No. 1 in Bethany Beach, Delaware. The…
Pump StationsSwan Creek Wastewater Pumping Station UpgradesFort Washington, Prince George's County, MarylandJohnston Construction Company completed the Swan Creek Wastewater Pumping Station Upgrades project for the Washington Suburban Sanitary Commission.
Wastewater Treatment PlantsTyson Foods New Holland Wastewater Facility – Sulfuric Acid Chemical Piping ReplacementNew Holland, Lancaster County, PennsylvaniaServed as Prime Contractor for the chemical-piping improvements at Tyson's New Holland wastewater facility in New Holland, Pennsylvania.
Pump StationsUpper Western Lehigh Pump Station – Mechanical/HVAC ConstructionUpper Macungie Township, PennsylvaniaJohnston Construction Company performed mechanical/HVAC construction work for the Upper Western Lehigh Pump Station project in Upper Macungie Township, Lehigh County, Pennsylvania.
Other Specialty ProjectsUsna Chilled Water System UpgradesAnnapolis, MarylandPerformed comprehensive mechanical, electrical and controls construction for upgrades to the U.S. Naval Academy campus chilled-water distribution system.
Industrial and EnvironmentalUtica East Ohio Midstream – Phase 2 Propane & Butane Storage Tank FoundationsScio, Ohio 43988Johnston Construction Company served as Civil Subcontractor to Chicago Bridge & Iron (CB&I) for the construction of reinforced concrete foundations supporting a 200,000-barrel propane…
Industrial and EnvironmentalUtica East Ohio Midstream – Propane & Butane Tank FoundationsScio, Ohio 43988Johnston Construction Company served as Civil Subcontractor to CB&I for construction of the foundations supporting a 200,000-barrel propane storage tank and a 125,000-barrel butane…
Industrial and EnvironmentalValley Landfill Pump Station UpgradesIrwin, Westmoreland County, PennsylvaniaJohnston Construction Company served as Prime Contractor for the pump station upgrades at Waste Management’s Valley Landfill in Irwin, Pennsylvania.
Water Storage and TanksWaldorf Water Tower #6 – 2 MG Composite Elevated Water Storage TankWaldorf, Charles County, MarylandJohnston Construction Company served as the prime contractor for the design and construction of Waldorf Water Tower #6 for Charles County Government.
Wastewater Treatment PlantsWashington Township WWTP Sequencing Batch Reactor Valve ReplacementWaynesboro, Franklin County, PennsylvaniaJohnston Construction Company served as the prime contractor for the replacement and modification of critical process equipment within two existing sequencing batch reactor tanks.
Wastewater Treatment PlantsWastewater Treatment Plant Grit Removal System ReplacementWaynesboro, PennsylvaniaJohnston Construction Company performed general construction work for the Wastewater Treatment Plant Grit Removal System Replacement project in Waynesboro, Pennsylvania.
Water Storage and TanksWaugh Chapel 2-Million-Gallon Elevated Water Storage Tank – Foundation & Infrastructure ConstructionGambrills, Maryland 21054Johnston Construction Company served as Civil Subcontractor to Chicago Bridge & Iron (CB&I) for the construction of a new 2-million-gallon elevated water storage tank facility in Anne…
Water Storage and TanksWest Lake 750,000-Gallon Composite Elevated Water Storage TankFredericksburg, Stafford County, VirginiaJohnston Construction Company performed civil, mechanical, electrical, site, and tank support work for the West Lake 750K Elevated Water Storage Tank project in Stafford County, Virginia.
Pump StationsWest Pennsboro Pump Station No. 3Newville, Cumberland County, PennsylvaniaJohnston Construction Company served as the Civil Subcontractor for the West Pennsboro Pump Station No. 3 project, supporting construction and coordination of a new municipal…
Pump StationsWhite Plains Commerce Center Pump Station UpgradeWhite Plains, Charles County, MarylandCompleted a comprehensive rehabilitation of the existing White Plains Commerce Center wastewater pumping station, modernizing a facility originally constructed in the mid-1980s. The…
Other Specialty ProjectsWSSC ESG Energy Performance – Preconstruction Estimating ServicesDover, Pennsylvania – Off-Site Estimating; No Construction Site IdentifiedJohnston Construction Company provided estimating and preconstruction support for the WSSC ESG Energy Performance assignment in coordination with Energy Services Group.
Wastewater Treatment PlantsY&S Candies Anaerobic Membrane Bioreactor Process Piping ModificationsLancaster, Lancaster County, PennsylvaniaJohnston Construction Company completed mechanical, electrical, and insulation modifications to the anaerobic membrane bioreactor systems serving the Y&S Candies wastewater-treatment…
Wastewater Treatment PlantsY&S Candies – MBR Internals InstallationLancaster, Pennsylvania 17603Johnston Construction Company served as Civil Subcontractor for the installation of membrane bioreactor (MBR) internals at the Y&S Candies wastewater pretreatment facility in…
Wastewater Treatment PlantsY&S Candies – MBR Piping And System Tie-InsLancaster, Pennsylvania 17603Johnston Construction Company served as Civil Subcontractor for the wastewater pretreatment system expansion at the Y&S Candies manufacturing facility in Lancaster, Pennsylvania, under…
Wastewater Treatment PlantsYork City Sewer Authority – Digester No. 2 Roof Demolition & AssessmentYork, York County, PennsylvaniaJohnston Construction Company performed the controlled demolition and removal of the existing roof system at Digester No. 2.
Wastewater Treatment PlantsYuengling Sewage Treatment Plant – Scrubber & Polisher RehabilitationPottsville, Schuylkill County, PennsylvaniaJohnston Construction Company served as Prime Contractor for the rehabilitation of the scrubber system at Yuengling Beer Company's sewage treatment plant in Pottsville, Pennsylvania.
Water Storage and TanksZone 3 600,000-Gallon Elevated Water Storage TankAberdeen, Harford County, MarylandJohnston Construction Company performed general construction work for the City of Aberdeen Zone 3 Elevated Water Tank project in Aberdeen, Maryland.