171 plants indexed. Showing 7 matching current filters.
Maryland's wastewater treatment is regulated by the Maryland Department of the Environment. Major plants include Blue Plains (serving the DC metro) and Back River (Baltimore). UtilityRadar indexes 171 wastewater treatment plants in Maryland with a combined designed capacity of 58,285 m³/day. The largest plant on file is Winebrenner WWTP, treating 3,785 m³/day.
Maryland's wastewater treatment is regulated by the Maryland Department of the Environment. Major plants include Blue Plains (serving the DC metro) and Back River (Baltimore).
UtilityRadar's directory currently lists 171 wastewater treatment plants across Maryland. Together these plants represent a combined designed capacity of approximately 58,285 m³/day.
By treatment level, the directory contains 56 secondary, 38 advanced, 1 primary-treatment plants. Secondary treatment (typically activated sludge with biological nutrient removal) is the most common standard.
The largest plant indexed for Maryland is Winebrenner WWTP, with a designed capacity of 3,785 m³/day.
Plant records are aggregated from publicly available regulatory data (US EPA ECHO, EU UWWTD reporting, national water authority publications), augmented by direct operator information and verified via Google Maps coordinates. Each record includes location, treatment level, capacity where known, operator and operational status. To browse plants by treatment level worldwide, see our secondary and advanced filter views, or read our guide to how sewage treatment works.
Bowie State College STP in Upper Marlboro, Maryland, serves 3,857 people with advanced treatment. The plant discharges 681.37 thousand cubic meters annually, operating under US EPA NPDES regulations.
Eastern Prerelease STP in Queen Anne's County, Maryland, serves 497 people with advanced treatment. The plant discharges 37.85 m³/day and has a designed capacity of 113.56 m³/day.
Sharptown WWTP is an advanced treatment facility serving 670 residents in Sharptown, Maryland. It discharges 427.75 million gallons per year into local waterways.
PITTSVILLE WWTP is an advanced treatment facility serving 1,100 people in Pittsville, Maryland. It discharges 299.05 million gallons per year and operates under U.S. EPA NPDES regulations.
Willards WWTP is an advanced treatment facility serving 940 people in Willards, Maryland. It discharges 302.83 units of treated wastewater, operating under U.S. Clean Water Act regulations.
St Clement s Shores WWTP is an advanced treatment plant in Compton, Maryland, serving 706 people. It discharges 321.76 units of treated wastewater near the Chesapeake Bay.
Greensboro WWTP is an advanced treatment facility in Greensboro, Maryland, serving about 2,000 people. It discharges treated wastewater into local waterways within the Chesapeake Bay watershed.
UtilityRadar indexes 171 wastewater treatment plants in Maryland, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, Greensboro WWTP has the highest designed capacity at 3,081 m3/day.