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HRSD operates nine major award-winning treatment plants in Hampton Roads and four smaller plants on the Middle Peninsula with a combined capacity of 231 million gallons per day (MGD). Wastewater flows from municipal piped systems to HRSD's interceptor
West Mifflin Sanitary Sewer Municipal Authority is a West Mifflin, PA-based company in the Energy and Utilities sector.
Philip Services is a Columbia, IL-based company in the Energy and Utilities sector.
Sacramento Area Sewer District is a Sacramento, CA-based company in the Energy and Utilities sector.
R P Weddell is a Las Vegas, NV-based company in the Energy and Utilities sector.