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World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · Massachusetts

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119 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

119 results

CompareNameNative sizeYear
Oak Bluffs Dept of Public WorksHW:308091,648 population served2012
Falmouth Dept of Public WorksHW:307491,634 population served2012
Hatfield Dept of Public WorksHW:307601,491 population served2012
Charlton Water and Sewer CommissionHW:307981,343 population served2012
Edgartown Department of Public WorkHW:308001,247 population served2012
Rochdale Water Pollution ControlHW:307971,193 population served2012
Upton Water and Sewer DeptHW:307991,193 population served2012
Douglas Wastewater Treatment FacHW:307901,085 population served2012
Russell Dept of Public WorksHW:30769865 population served2012
Huntington Dept of Public WorksHW:30801794 population served2012
Hadley Board of Sewer CommissionersHW:30763755 population served2012
Erving Village Wastewater SystemHW:30761545 population served2012
Shirley Dept of Public WorksHW:30810525 population served2012
Ashfield Dept of Public WorksHW:30775406 population served2012
Erving WWTF No 1HW:30791237 population served2012
Royalston Dept of Public WorksHW:30806186 population served2012
Otis Dept of Public WorksHW:30812175 population served2012
West Stockbridge Dept of Public WorHW:3079397 population served2012
Monroe Dept of Public WorksHW:3081359 population served2012

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

  • Permit identifier and permitting authority: EPA or an authorized state.
  • Outfall and receiving water; sewer connections follow a different control route.
  • Current permit conditions, limits and dated measurements; these are not included in CWNS.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.