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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
MERIDEN WWTPMeriden0.026 MGD (million gallons per day)2022
PULASKI WWTPPulaski0.026 MGD (million gallons per day)2022
RANDOLPH WWTPRandolph0.026 MGD (million gallons per day)2022
RUTLAND LAGOONRutland0.026 MGD (million gallons per day)2022
JF CO S D #2 IND RIDGE WWTPOzawkie0.026 MGD (million gallons per day)2022
CHAUTAUQUA WWTPChautauqua0.026 MGD (million gallons per day)2022
BU CO SD #9 WWTP ROSALIAEl Dorado0.026 MGD (million gallons per day)2022
RN CO S D #3+10 WWTP MINN SUBHutchinson0.026 MGD (million gallons per day)2022
Bigelow WWTPBigelow0.026 MGD (million gallons per day)2022
ODESSA WWTPOdessa0.026 MGD (million gallons per day)2022
LANSING TWP WWTFLansing0.026 MGD (million gallons per day)2022
Purdin WWTPPurdin0.026 MGD (million gallons per day)2022
Kidder WWTPKidder0.026 MGD (million gallons per day)2022
Barnard WWTPBarnard0.026 MGD (million gallons per day)2022
Westboro WWTPWestboro0.026 MGD (million gallons per day)2022
Novelty WWTPNovelty0.026 MGD (million gallons per day)2022
Beauty View Acres Sew DisGray Summit0.026 MGD (million gallons per day)2022
FCPWSD #3, Ming EstatesWashington0.026 MGD (million gallons per day)2022
Greencastle WWTPGreen Castle0.026 MGD (million gallons per day)2022
Stotts City WWTFStotts City0.026 MGD (million gallons per day)2022
ALDER (MADISON CSD)Alder0.026 MGD (million gallons per day)2022
Catskill (T) Smith's Landing (SD#4)Catskill0.026 MGD (million gallons per day)2022
Hamden (T) Delancy Hamlet WWTFHamden0.026 MGD (million gallons per day)2022
Bellmont (T) Brainardsville STPBrainardsville0.026 MGD (million gallons per day)2022
Lawrence (T) STPNorth Lawrence0.026 MGD (million gallons per day)2022
Alden (T) SD #2 STP & SewersAlden0.026 MGD (million gallons per day)2022
Holmes County Jail & Training Center WWTPMillersburg0.026 MGD (million gallons per day)2022
Delaware Co Hoover Woods WWTPDelaware0.026 MGD (million gallons per day)2022
Bailey WWTPBailey0.026 MGD (million gallons per day)2022
BERK CO PSSD - FOREST HGTS II-1 TPInwood0.026 MGD (million gallons per day)2022
BERK CO PSSD - FOREST HGTS II-2 TPInwood0.026 MGD (million gallons per day)2022
Spring Green Golf Club Sanitary Dist #2 WWTFSpring Green0.026 MGD (million gallons per day)2022
HUB ROCK SD #1 - STPRichland Center0.026 MGD (million gallons per day)2022
Greene County Water and Sewer AuthorityEutaw0.025 MGD (million gallons per day)2022
Guin Commercial/Industrial Site-WWTPGuin0.025 MGD (million gallons per day)2022
Mountain Brook, City of- Senior High SchoolBirmingham0.025 MGD (million gallons per day)2022
Level Plains Collector SystemDaleville0.025 MGD (million gallons per day)2022
WOODVILLE WWTPWoodville0.025 MGD (million gallons per day)2022
Egypt WWTPEgypt0.025 MGD (million gallons per day)2022
Sedgwick WWTPSedgwick0.025 MGD (million gallons per day)2022
COULTERVILLE WWTFCoulterville0.025 MGD (million gallons per day)2022
SW Mesa Co District WWTFGateway0.025 MGD (million gallons per day)2022
GROVER SEWAGE LAGOONGrover0.025 MGD (million gallons per day)2022
Boulder County/Eldorado SpringsBoulder0.025 MGD (million gallons per day)2022
Timbers WSDSteamboat Springs0.025 MGD (million gallons per day)2022
Leadville / Lake CountyLeadville0.025 MGD (million gallons per day)2022
High Point SD WWTPNorth Fort Myers0.025 MGD (million gallons per day)2022
Noma WWTPBonifay0.025 MGD (million gallons per day)2022
OHLMAN STPOhlman0.025 MGD (million gallons per day)2022
WEST POINT WWTFWest Point0.025 MGD (million gallons per day)2022
Tennessee Wastewater SystemTennessee0.025 MGD (million gallons per day)2022
CARBON WWTPCarbon0.025 MGD (million gallons per day)2022
Helmsburg RSD WWTPNashville0.025 MGD (million gallons per day)2022
NEW RICHMOND WWTPNew Richmond0.025 MGD (million gallons per day)2022
Sidney Municipal WWTPPierceton0.025 MGD (million gallons per day)2022
ALVORD WWTPAlvord0.025 MGD (million gallons per day)2022
CALUMET STLCalumet0.025 MGD (million gallons per day)2022
HANCOCK WW STAB LAGOONHancock0.025 MGD (million gallons per day)2022
KAMRAR STLKamrar0.025 MGD (million gallons per day)2022
LANESBORO STLLanesboro0.025 MGD (million gallons per day)2022
NEW PROVIDENCE WWTFNew Providence0.025 MGD (million gallons per day)2022
RICKARDSVILLE WWTPDurango0.025 MGD (million gallons per day)2022
SHAMBAUGH WWTPShambaugh0.025 MGD (million gallons per day)2022
DELOIT STLDeloit0.025 MGD (million gallons per day)2022
PARTRIDGE WWTPPartridge0.025 MGD (million gallons per day)2022
CIRCLEVILLE WWTPCircleville0.025 MGD (million gallons per day)2022
MUSCOTAH WWTPMuscotah0.025 MGD (million gallons per day)2022
JAMESTOWN WWTPJamestown0.025 MGD (million gallons per day)2022
ALLEN WWTPAllen0.025 MGD (million gallons per day)2022
RANTOUL WWTPRantoul0.025 MGD (million gallons per day)2022
SEVERANCE WWTPTroy0.025 MGD (million gallons per day)2022
SCHOENCHEN WWTPSchoenchen0.025 MGD (million gallons per day)2022
SELDEN WWTPSelden0.025 MGD (million gallons per day)2022
Prestonsburg City's Utilities Commission - Eastern WWTPEastern0.025 MGD (million gallons per day)2022
IDA STPIda0.025 MGD (million gallons per day)2022
REEVES LAGOONReeves0.025 MGD (million gallons per day)2022
VELMA WWTFAmite0.025 MGD (million gallons per day)2022
Lightwood Sewer Morehouse ParishBastrop0.025 MGD (million gallons per day)2022
RSU 14 WWTFWindham0.025 MGD (million gallons per day)2022
Northern High SchoolOwings0.025 MGD (million gallons per day)2022
Keyser's Ridge WWTPGrantsville0.025 MGD (million gallons per day)2022
Ashfield Sewerage Collection System and WWTFAshfield0.025 MGD (million gallons per day)2022
OGEMA WWTPOgema0.025 MGD (million gallons per day)2022
DENT WWTPDent0.025 MGD (million gallons per day)2022
BELLECHESTER WWTPZumbro Falls0.025 MGD (million gallons per day)2022
DENNISON WWTPDennison0.025 MGD (million gallons per day)2022
Parnell Lagoons WWTFParnell0.025 MGD (million gallons per day)2022
PCPWSD No. 2 College Hills East WWTFRolla0.025 MGD (million gallons per day)2022
PCPWSD No. 2 Greenlefe Subdivision WWTFRolla0.025 MGD (million gallons per day)2022
Newtown WWTPNewtown0.025 MGD (million gallons per day)2022
DCSD, Steven A. Rogers WWTFSaint Charles0.025 MGD (million gallons per day)2022
Rockville STPRockville0.025 MGD (million gallons per day)2022
Silex WWTPSilex0.025 MGD (million gallons per day)2022
Monticello WWTPMonticello0.025 MGD (million gallons per day)2022
WISDOM WWTPWisdom0.025 MGD (million gallons per day)2022
CRESTON WWTPCreston0.025 MGD (million gallons per day)2022
HARDY WWTPHardy0.025 MGD (million gallons per day)2022
Red Hook (V) STPRed Hook0.025 MGD (million gallons per day)2022
Junius (T) SewersGeneva0.025 MGD (million gallons per day)2022
MILTON WWTPMilton0.025 MGD (million gallons per day)2022

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.