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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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14,626 inventory records · HydroWASTE v1.0 / United States

Data years: 2008, 2012. The inventory date does not establish current operation.

States

14,626 results

CompareNameNative sizeYear
WHEELING WWTPHW:3895842,234 population served2012
CROWDERS Gastonia CREEKHW:3423442,151 population served2012
Tropical Farms STPHW:2695442,139 population served2012
MANKATO WWTPHW:3122042,132 population served2012
Okaloosa Garniers WWTFHW:2682942,100 population served2012
Willoughby Eastlake WWTP and SewersHW:3551042,099 population served2012
Sandusky WWTP and Sewer SystemHW:3539442,085 population served2012
CAPE GIRARDEAU WWTPHW:3171042,072 population served2012
BIG BUFFALO SANFORD WWTPHW:3428942,000 population served2012
Johnson City Brush Creek WWTPHW:3741542,000 population served2012
Sugar Land North WWTPHW:3798742,000 population served2012
OPEQUON REGIONAL PLANTHW:3840541,955 population served2012
JO CO TOM CRK WWTPHW:2942441,882 population served2012
DAVID B LEE STPHW:2673041,840 population served2012
Dunedin WWTPHW:2670641,800 population served2012
GREENVILLE POTWHW:3148841,633 population served2012
MANCHESTER WPCFHW:2656741,600 population served2012
DANBURY WPCFHW:2654341,513 population served2012
BELVIDERE STPHW:2767541,500 population served2012
COLUMBUS WWTPHW:2814141,500 population served2012
Texas City WWTPHW:3799641,500 population served2012
MARTINSVILLE STPHW:3836241,450 population served2012
Harrison County Utility Authority West Biloxi POTWHW:3139841,421 population served2012
Florence Cypress Creek WWTPHW:2524841,403 population served2012
WAUSAU WWTPHW:3950341,388 population served2012
CHAMBERSBURG BORO STPHW:3650041,324 population served2012
BURLINGTON MAIN STPHW:3823341,324 population served2012
Shreveport North Regional WWTPHW:3037441,310 population served2012
GCWandSD PAWLEYS AREAHW:3720241,193 population served2008
MINOT LAGOONHW:3444941,118 population served2012
Fremont SD Rainbow Park WWTPHW:2643841,090 population served2012
MIDLAND WWTPHW:3101741,054 population served2012
SAGINAW TWP STPHW:3099141,031 population served2012
SMITHFIELD REG WWTPHW:3428541,011 population served2012
PARKER WWTPHW:2640941,000 population served2012
VALRICO REGIONAL STPHW:2700841,000 population served2012
Delaware Co Olentangy ECCHW:3507141,000 population served2012
HUTCHINSON WWTPHW:2925840,829 population served2012
FALLING CREEK WWTPHW:3839740,829 population served2012
Mount Laurel Township MUA CS_Septics_STPHW:3334740,816 population served2012
WEST BAY CO REGIONAL WWTPHW:3099840,782 population served2012
Lakeview Regional WWTPHW:3764740,604 population served2012
LITTLE PEE DEE STPHW:3715740,559 population served2008
BRUNSWICK WTPHW:2710240,516 population served2012
Coral Springs STPHW:2664840,500 population served2012
CAROL STREAM STPHW:2761140,438 population served2012
MARYVILLE REGIONAL STPHW:3744740,423 population served2012
Watertown C WWTPHW:3385440,375 population served2012
POTTSTOWN BORO STPHW:3622440,353 population served2012
Glendale Arrowhead Ranch WWRFHW:2531940,290 population served2012
BLUE SPRINGS SNI A BARHW:3190340,208 population served2012
SOLEDAD WWTFHW:2588940,183 population served2012
NEW CASTLE STPHW:3690140,102 population served2012
Peoria Beardsley WRFHW:2533940,040 population served2012
LAGRANGE WPCPHW:2711040,011 population served2012
CHANDLER LONE BUTTE WWTFHW:2531340,000 population served2012
Ironhouse WWTPHW:2587440,000 population served2012
EL CENTRO WWTFHW:2618440,000 population served2012
LA SALINA WWTFHW:2625740,000 population served2012
ORMOND BEACH STPHW:2688540,000 population served2012
Cowlitz Water Pollution Control PlaHW:3859939,877 population served2012
Ocala WRF 3HW:2681539,750 population served2012
Fort Smith Massard Creek WWTPHW:2541339,673 population served2012
ROMEOVILLE WWTP and COLLECTION SYSTEMHW:2779439,600 population served2012
Plainfield WWTP and Collection SystemHW:2777639,581 population served2012
McAllen Plant 3 NorthHW:3763239,380 population served2012
Long Branch City SA CS_STPHW:3331639,340 population served2012
GLENDALE HEIGHTS STWHW:2771339,164 population served2012
GALESBURG SANITARY DISTRICTHW:2774239,153 population served2012
Sewerage Commis Oroville Reg WWTPHW:2603639,101 population served2012
TULARE WWTFHW:2598039,000 population served2012
LONG BEACH WPC PLANTHW:3352939,000 population served2012
Stewart Creek WWTP The ColonyHW:3787039,000 population served2012
Nacogdoches WWTP 2aHW:3796139,000 population served2012
ABINGTON TWP STP and CSHW:3623638,838 population served2012
PATUXENT WWTPHW:3052838,830 population served2012
APEX WWTPHW:3441338,728 population served2012
CHEYENNE DRY CREEK WWTPHW:3965338,653 population served2012
Fayetteville Noland WWTPHW:2541838,622 population served2012
Greenup Co Environ CommHW:2996638,491 population served2012
Delano WWTFHW:2600138,423 population served2012
NEWPORT WWTFHW:3706038,385 population served2012
Westborough Wastewater SystemHW:3078838,379 population served2012
MUSKOGEE UA WWTHW:3555338,310 population served2012
HAMPDEN TWP ROTH LANE STPHW:3652938,285 population served2012
SWDCMA BALDWIN RUN STPHW:3627538,244 population served2012
Mt Holly MUA WPCF Rancocas Creek STP_CS_SepticsHW:3336238,179 population served2012
North Hempstead T Port Washington WPCDHW:3353538,038 population served2012
Prescott Valley WRPHW:2538838,000 population served2012
Greene Co Beavercreek WWTP and SewersHW:3515238,000 population served2012
Willow Street WWTPHW:3757138,000 population served2012
Greenwood WWTPHW:3765838,000 population served2012
WEST MONROE REG STPHW:3020337,996 population served2012
Rome C STPHW:3386937,950 population served2012
JCUA PASCAGOULA POTWHW:3156937,926 population served2012
WIS DELLS LAKE DELTON STPHW:3952337,828 population served2012
Clovis Wastewater Treatment PlantHW:3349937,775 population served2012
CONSERVE IHW:2667637,750 population served2012
Clearwater Northeast AWWTPHW:2670537,750 population served2012
FORT PIERCE WWTPHW:2687637,750 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.