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

Wastewater treatment plants in the United States

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17,009 inventory records · EPA Clean Watersheds Needs Survey 2022

Data years: 2022. The inventory date does not establish current operation.

States

17,009 results

CompareNameNative sizeYear
MUNCY BORO STPCWNS2022_42004294001Not reported MGD (million gallons per day)Not reported
HUGHESVILLE-WOLF TWP STPCWNS2022_42004294005Not reported MGD (million gallons per day)Not reported
PORT MATILDA BORO STPCWNS2022_42004304001Not reported MGD (million gallons per day)Not reported
MID-CENTRE COUNTY STPCWNS2022_42004306001Not reported MGD (million gallons per day)Not reported
LIGONIER BORO STPCWNS2022_42005001001Not reported MGD (million gallons per day)Not reported
MARKLEYSBURG STPCWNS2022_42005003001Not reported MGD (million gallons per day)Not reported
INDEPENDENCE CROSS CK STPCWNS2022_42005004002Not reported MGD (million gallons per day)Not reported
CONNELLSVILLE STPCWNS2022_42005005001Not reported MGD (million gallons per day)Not reported
WESTERN BUTLER COUNTY AUTHCWNS2022_42005009001Not reported MGD (million gallons per day)Not reported
NEW BRIGHTON BORO STPCWNS2022_42005010001Not reported MGD (million gallons per day)Not reported
WEST ALIQUIPPA STPCWNS2022_42005011001Not reported MGD (million gallons per day)Not reported
WASHINGTON E WASH STPCWNS2022_42005012001Not reported MGD (million gallons per day)Not reported
HAMPTON TWP - ALLISON PARK STPCWNS2022_42005013001Not reported MGD (million gallons per day)Not reported
ROCHESTER AREA STPCWNS2022_42005017001Not reported MGD (million gallons per day)Not reported
NEW KENSINGTON STPCWNS2022_42005018001Not reported MGD (million gallons per day)Not reported
SCOTTDALE-EVERSON STPCWNS2022_42005022001Not reported MGD (million gallons per day)Not reported
MONONGAHELA CITY STPCWNS2022_42005023001Not reported MGD (million gallons per day)Not reported
CHARLEROI BORO AUTHCWNS2022_42005026001Not reported MGD (million gallons per day)Not reported
UPPER ALLEGHENY JSA STPCWNS2022_42005029001Not reported MGD (million gallons per day)Not reported
INDIANA CO MSA - ARMAGH STPCWNS2022_42005033002Not reported MGD (million gallons per day)Not reported
INDIANA CO MSA - CHERRYTREE STPCWNS2022_42005033006Not reported MGD (million gallons per day)Not reported
CONEMAUGH TWP INDIANA STPCWNS2022_42005033008Not reported MGD (million gallons per day)Not reported
CLAIRTON MUN AUTH STPCWNS2022_42005036001Not reported MGD (million gallons per day)Not reported
HOPEWELL TWP - RACOON CREEK STPCWNS2022_42005037001Not reported MGD (million gallons per day)Not reported
HOPEWELL TWP - WICKHAM VILLAGE STPCWNS2022_42005037002Not reported MGD (million gallons per day)Not reported
WEST PIKE RUN STPCWNS2022_42005038001Not reported MGD (million gallons per day)Not reported
BEAR CREEK WATERSHED AUTHCWNS2022_42005046001Not reported MGD (million gallons per day)Not reported
BEAVER FALLS CITY STPCWNS2022_42005048001Not reported MGD (million gallons per day)Not reported
BELLE VERNON BORO STPCWNS2022_42005052001Not reported MGD (million gallons per day)Not reported
WEST HILLS AREA STPCWNS2022_42005054001Not reported MGD (million gallons per day)Not reported
CADOGAN TWP STPCWNS2022_42005054002Not reported MGD (million gallons per day)Not reported
MAHONING TWP - DISTANT STPCWNS2022_42005054005Not reported MGD (million gallons per day)Not reported
PINE TWP - TEMPLETON STPCWNS2022_42005054010Not reported MGD (million gallons per day)Not reported
WORTHINGTON WEST FRANKLIN STPCWNS2022_42005054016Not reported MGD (million gallons per day)Not reported
MID MON VALLEY STPCWNS2022_42005055001Not reported MGD (million gallons per day)Not reported
BRUSH CREEK STPCWNS2022_42005057001Not reported MGD (million gallons per day)Not reported
HEMPFIELD TWP MA - NEW STANTON STPCWNS2022_42005063001Not reported MGD (million gallons per day)Not reported
GREATER GREENSBURG STPCWNS2022_42005066001Not reported MGD (million gallons per day)Not reported
UNIONTOWN STPCWNS2022_42005067001Not reported MGD (million gallons per day)Not reported
RIVERVIEW SA - CORAOPOLIS STPCWNS2022_42005075001Not reported MGD (million gallons per day)Not reported
CLAYSVILLE-DONEGAL STPCWNS2022_42005078001Not reported MGD (million gallons per day)Not reported
KITTANNING BORO STPCWNS2022_42005080001Not reported MGD (million gallons per day)Not reported
HANOVER TWP WASHINGTION STP#1CWNS2022_42005082001Not reported MGD (million gallons per day)Not reported
BURGETTSTOWN-SMITH TWP SSCWNS2022_42005083001Not reported MGD (million gallons per day)Not reported
VANPORT TWP STPCWNS2022_42005087001Not reported MGD (million gallons per day)Not reported
DCNR - MORAINE STATE PARK STPCWNS2022_42005088002Not reported MGD (million gallons per day)Not reported
FRANKLIN TWP MURRYSVILLE STPCWNS2022_42005089001Not reported MGD (million gallons per day)Not reported
BETHEL PARK STPCWNS2022_42005091001Not reported MGD (million gallons per day)Not reported
LATROBE BORO STPCWNS2022_42005094001Not reported MGD (million gallons per day)Not reported
SUTERSVILLE BORO STP (NEW)CWNS2022_42005096001Not reported MGD (million gallons per day)Not reported
MON VALLEY STPCWNS2022_42005097001Not reported MGD (million gallons per day)Not reported
ELIZABETH BORO STPCWNS2022_42005099001Not reported MGD (million gallons per day)Not reported
SEWICKLEY BORO STPCWNS2022_42005100001Not reported MGD (million gallons per day)Not reported
PARKER CITY STPCWNS2022_42005105001Not reported MGD (million gallons per day)Not reported
FRANKLIN TWP (GREENE) STPCWNS2022_42005107001Not reported MGD (million gallons per day)Not reported
WEST ALEXANDER STPCWNS2022_42005114001Not reported MGD (million gallons per day)Not reported
EASTERN ARMSTRONG CO. STPCWNS2022_42005134001Not reported MGD (million gallons per day)Not reported
PERRYOPOLIS STPCWNS2022_42005136001Not reported MGD (million gallons per day)Not reported
MENALLEN TWP BUFFINGTON STPCWNS2022_42005138001Not reported MGD (million gallons per day)Not reported
CARMICHAELS-CUMBERLAND STPCWNS2022_42005140001Not reported MGD (million gallons per day)Not reported
FAIRCHANCE GEORGES STPCWNS2022_42005141001Not reported MGD (million gallons per day)Not reported
OHIOPYLE BORO STPCWNS2022_42005142001Not reported MGD (million gallons per day)Not reported
RICES LANDING BORO STPCWNS2022_42005143001Not reported MGD (million gallons per day)Not reported
GLEN CAMPBELL BORO STPCWNS2022_42005152001Not reported MGD (million gallons per day)Not reported
CLYMER BORO STPCWNS2022_42005153001Not reported MGD (million gallons per day)Not reported
INDIANA CO MSA - SHELOCTA STPCWNS2022_42005154001Not reported MGD (million gallons per day)Not reported
INDIANA CO MSA - PLUMVILLE STPCWNS2022_42005155001Not reported MGD (million gallons per day)Not reported
INDIANA CO MSA - MARION CENTERCWNS2022_42005156001Not reported MGD (million gallons per day)Not reported
EVANS CITY BORO STPCWNS2022_42005166001Not reported MGD (million gallons per day)Not reported
MARIANNA STPCWNS2022_42005168001Not reported MGD (million gallons per day)Not reported
AVONMORE BORO STPCWNS2022_42005176001Not reported MGD (million gallons per day)Not reported
CENTERVILLE - RICHEYVILLE STPCWNS2022_42005179002Not reported MGD (million gallons per day)Not reported
E HUNTINGDON TWP IRON BRIDGE STPCWNS2022_42005182002Not reported MGD (million gallons per day)Not reported
JEANNETTE CITY STPCWNS2022_42005183001Not reported MGD (million gallons per day)Not reported
SEWARD ST. CLAIR STP (SUGAR RUN)CWNS2022_42005189001Not reported MGD (million gallons per day)Not reported
SMITHTON BORO STPCWNS2022_42005191001Not reported MGD (million gallons per day)Not reported
UNITY TWP MA - PLEASANT UNITY STPCWNS2022_42005193004Not reported MGD (million gallons per day)Not reported
UNITY TWP - 14 Mile STPCWNS2022_42005193010Not reported MGD (million gallons per day)Not reported
CECIL TWP - MILLERS RUN STPCWNS2022_42005195002Not reported MGD (million gallons per day)Not reported
YOUNGWOOD BORO STPCWNS2022_42005198001Not reported MGD (million gallons per day)Not reported
NEWELL BORO STPCWNS2022_42005200001Not reported MGD (million gallons per day)Not reported
MIDWAY STPCWNS2022_42005202001Not reported MGD (million gallons per day)Not reported
BEAVER BORO STPCWNS2022_42005206001Not reported MGD (million gallons per day)Not reported
AMBRIDGE BORO STPCWNS2022_42005207001Not reported MGD (million gallons per day)Not reported
PLEASANT HILLS STPCWNS2022_42005208001Not reported MGD (million gallons per day)Not reported
MATHER STPCWNS2022_42005209001Not reported MGD (million gallons per day)Not reported
CONWAY BORO STPCWNS2022_42005221001Not reported MGD (million gallons per day)Not reported
KOPPEL BORO STPCWNS2022_42005227001Not reported MGD (million gallons per day)Not reported
SHIPPINGPORT BORO STPCWNS2022_42005236001Not reported MGD (million gallons per day)Not reported
YOUGH SAN AUTH SSCWNS2022_42005240001Not reported MGD (million gallons per day)Not reported
MOON TWP MA - MONTOUR RUN STPCWNS2022_42005242002Not reported MGD (million gallons per day)Not reported
MCKEESPORT CITY STPCWNS2022_42005246001Not reported MGD (million gallons per day)Not reported
MASONTOWN MUN AUTH (BIG RUN)CWNS2022_42005247001Not reported MGD (million gallons per day)Not reported
MASONTOWN MUN AUTH (CATTS RUN)CWNS2022_42005247002Not reported MGD (million gallons per day)Not reported
WEST MIFFLIN - THOMPSON RUN STPCWNS2022_42005248001Not reported MGD (million gallons per day)Not reported
WEST MIFFLIN - NEW ENGLAND STPCWNS2022_42005248002Not reported MGD (million gallons per day)Not reported
NEW EAGLE BORO STPCWNS2022_42005254001Not reported MGD (million gallons per day)Not reported
GLASSPORT BORO STPCWNS2022_42005273001Not reported MGD (million gallons per day)Not reported
DRAVOSBURG BORO STPCWNS2022_42005275001Not reported MGD (million gallons per day)Not reported
CONNOQUENESSING BORO STPCWNS2022_42005280101Not reported MGD (million gallons per day)Not reported

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.