Water & Wastewater Treatment


  • Trap Rock Water Treatment Facility

    The new Trap Rock Water Treatment Facility involves construction a 20million gallons per day potable water system for Loudoun County Virginia.  The new facility consists of nine new structures: Operations Building, Chemical Building, Maintenance Building, Finished Water Pump Station, Pre-Ozone… Read More

  • Biosolids Management Program – CAMBI, MPT, & CHP

    This Design-Build project delivered an amazingly innovative process being implemented in the US for the first time. The first stage, the CAMBI process, provides pretreated sludge that goes into the digesters in the second stage, Main Process Train (MPT). The… Read More

  • Potomac Water Filtration Plant Outdoor Substation No. 2 Replacement

    Potomac Filtration supplies fresh water to Montgomery & Prince George’s Counties.  Power to the pumps & equipment being fed from Substation #2 had to be maintained at all times.  Accordingly, we had to come up with a temporary power plan… Read More

  • ENR North

    The ENR North project site covered modifications to various processes: Dual Purpose Sedimentation, West Secondary Sedimentation, Secondary Reactors and East Secondary Sedimentation.  This project was an especially difficult job in regard to instrumentation and control. There are 6 Blower systems,… Read More

  • Blue Plains Main Substation Switchgear Replacement

    The Blue Plains Advanced Wastewater Treatment Plant, the largest advanced wastewater treatment plant in the world, has a capacity of treating 370 million gallons of water per day. Prior to beginning the Main Substation project, the Singleton team thoroughly researched… Read More

  • Potomac Filtration Plant Improvements Phases 1 & 2

    The Potomac Water Filtration Plant supplies fresh water to Montgomery and Prince George’s Counties in Maryland.  Singleton was a subcontractor on the two-phase project to replace and install power substations servicing the plant. For Phase 1, Singleton was responsible for… Read More

  • New Design Road Water Treatment Plant Expansion

    The New Design Road Water Treatment Plant is the largest plant operated by the Frederick County Bureau of Water and Sewer. This expansion project included the installation of a new pre-sedimentation basin system, rapid mixers, flocculation basins, new sedimentation basins,… Read More

  • Broad Run Water Reclamation Facility

    The Broad Run Water Reclamation Facility in Loudoun County, VA, is a new wastewater treatment center that treats 11 million gallons of wastewater every day. Singleton provided electrical contracting services for the facility, which included installing miles of new duct… Read More