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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
Miramar WWTFHW:2664460,000 population served2012
William E Dunn WRFHW:2671460,000 population served2012
DOWNERS GROVE SD and COLL SYSTHW:2778660,000 population served2012
Middletown WWTP and Sewer SystemHW:3527560,000 population served2012
Medio Creek WWTPHW:3805060,000 population served2012
CHARLESTON WWTPHW:3888160,000 population served2012
KOKOMO MUN WWTPHW:2814759,900 population served2012
BJWSA_Port Royal Island WRFHW:3727759,700 population served2008
LEWISTON AUBURN W W T PHW:3039759,644 population served2012
MSD FENTON WWTPHW:3174759,599 population served2012
Northwest Bergen County UA CS_STPHW:3324959,566 population served2012
4S Ranch Wastewater Treatment PlantHW:2626659,518 population served2012
Ellis Creek WRFHW:2587859,462 population served2012
GEORGETOWN WWTPHW:3717859,378 population served2008
NORRISTOWN MUN WASTE AUTHHW:3627359,281 population served2012
STILLWATER WWTHW:3555859,065 population served2012
MONROE METRO WWTPHW:3098359,002 population served2012
Lodi WPCFHW:2601459,000 population served2012
GREENVILLE WW COLL SYSHW:3720858,852 population served2008
GREAT FALLS WWTPHW:3251558,439 population served2012
HATTIESBURG SOUTH LAGOONHW:3149758,408 population served2012
DUBUQUE WWTPHW:2863658,234 population served2012
OLD ORCHARD BEACH W P C FHW:3044158,000 population served2012
WOODRIDGE GREEN VALLEY WWTPHW:2771657,990 population served2012
Lake County DPW Desplaines STPHW:2777757,971 population served2012
Pembroke Pines WWTPHW:2664757,925 population served2012
LAFAYETTE WWTPHW:2808757,517 population served2012
BROOMFIELD WWTPHW:2628357,352 population served2012
Lompoc Regional WRPHW:2591457,123 population served2012
Lakewood WWTP and Sewer SystemHW:3520757,096 population served2012
DANVILLE STWHW:2754357,056 population served2012
Elyria WWTP and Sewer SystemHW:3509457,000 population served2012
PARKER COLLECTION SYSTEMHW:3724157,000 population served2008
SOCWA Coastal WWTPHW:2624056,966 population served2012
Mansfield WWTP and Sewer SystemHW:3525456,903 population served2012
Tahoe Truckee WWTPHW:2616756,539 population served2012
CARSON CITY WWTFHW:3312256,500 population served2012
NORTHSIDE_SOUTHSIDE STPHW:3834056,387 population served2012
ELKHART WWTPHW:2814456,227 population served2012
Little Rock Fourche Creek WWTPHW:2540956,199 population served2012
JACKSONVILLE WWTPHW:3433556,141 population served2012
GOLDSBORO WWTPHW:3442856,035 population served2012
NAPLES WWTP DIST BHW:2675756,000 population served2012
RED RIVER TREAT PLTHW:3011456,000 population served2012
Rogers WWTPHW:2543955,964 population served2012
City of FarmingtonHW:3349755,943 population served2012
MIDWEST CITY WWTHW:3565055,840 population served2012
Clermont Co Lower East Fork WWTPHW:3504255,791 population served2012
NORTH SHORE SD CLAVEY RD PLANTHW:2772955,735 population served2012
MCDOWELL CK WWTPHW:3431155,734 population served2012
Fajardo Regional WWTPHW:3978755,608 population served2012
Barceloneta Regional WWTPHW:3975055,572 population served2012
FORT STEWART WPCFHW:2720555,424 population served2012
Flower Mound WWTPHW:3783255,400 population served2012
HOMINY CREEK WWTPHW:3443955,374 population served2012
DEKALB SANITARY DISTRICTHW:2762355,286 population served2012
Jonesboro East WWTPHW:2542155,230 population served2012
TACOMA 3 STP NORTHHW:3866655,050 population served2012
Homestead WWTPHW:2666755,036 population served2012
PORT ORANGE WTFHW:2697555,000 population served2012
Ottawa Co Danbury Township WWTPHW:3524655,000 population served2012
Palm Coast WWTP 1HW:2691154,860 population served2012
Long Key et alHW:2682254,850 population served2012
LEONI TWP STPHW:3100154,675 population served2012
ALTOONA WESTERLY STPHW:3663154,638 population served2012
Willingboro Township MUA CS_Septics_STPHW:3336554,626 population served2012
Pine Bluff WWTPHW:2541754,609 population served2012
Wayne Township CS_Septics_STPHW:3328254,594 population served2012
Novato WWTFHW:2586954,479 population served2012
HOLLAND WTFHW:3090454,346 population served2012
COUNCIL BLUFFS WWTPHW:2859654,315 population served2012
NORTH CARY WWTPHW:3441454,196 population served2012
FAIRFIELD WPCFHW:2655054,140 population served2012
Prescott Airport WWTFHW:2538754,000 population served2012
HAGERSTOWN WPCFHW:3063453,983 population served2012
BLOOMINGTON STP SOUTHHW:2814053,800 population served2012
SOUTH CARY WWTPHW:3441553,738 population served2012
ALTON STPHW:2764953,721 population served2012
MASON FARM WWTPHW:3434053,587 population served2012
Military Point Regional AWTFHW:2672353,496 population served2012
Ashtabula WWTP and Sewer SystemHW:3491653,462 population served2012
MCKEESPORT CITY STPHW:3681153,315 population served2012
GAINESVILLE MAIN STHW:2665253,300 population served2012
Brentwood WWTPHW:2601353,194 population served2012
Orangetown T SD2 STPHW:3364553,074 population served2012
Corona WWTF 2HW:2622453,000 population served2012
Main WWTP 1HW:3799053,000 population served2012
BROOKFIELD Fox River WPCCHW:3912952,868 population served2012
GRAND FORKS LAGOONHW:3444652,838 population served2012
Gloucester City Engineer s OfficeHW:3073652,826 population served2012
Temple Belton WWTPHW:3756252,789 population served2012
WILSON CREEK STPHW:3724252,691 population served2008
MARGATE WEST STPHW:2664352,500 population served2012
KUB Fourth Creek WWTPHW:3742452,500 population served2012
CORVALLIS STPHW:3606052,450 population served2012
BELLEVILLE STP 1HW:2763052,300 population served2012
NEENAH MENASHA SC WWTPHW:3932452,258 population served2012
CANNON BEACH STPHW:3609852,250 population served2012
O J Riedel WWTPHW:3807252,210 population served2012
CAPE CORAL SW WWTPHW:2679052,183 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.