Markets Served

Water Supply and Infrastructure Construction

Explore 7 documented water supply and infrastructure projects by Johnston Construction Company and its divisions across the Mid-Atlantic.

Water supply projects connect treatment facilities, wells and distribution systems. The records below describe Johnston and division work on documented water infrastructure projects.

Browse the individual pages for location, equipment and construction scope.

Pennsylvania project experience

Explore the documented work and Johnston’s role at each Pennsylvania project:

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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 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. 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. 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… 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. 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… 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.