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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
Secaucus Town MUA Koelle Blvd STP_CSHW:3328015,782 population served2012
NEWTON WWTPHW:2892015,751 population served2012
Clermont East STPHW:2693915,750 population served2012
CENTRALIA STPHW:2754415,738 population served2012
CORINTH POTWHW:3143715,718 population served2012
Vega Alta WWTPHW:3975715,710 population served2012
ADA WWTHW:3554115,691 population served2012
Uvalde WWTPHW:3806015,672 population served2012
BOULDER CITY WWTFHW:3314015,641 population served2012
Lewiston T Master SD WWTPandOnsitesHW:3409715,602 population served2012
NITRO WWTPHW:3898415,600 population served2012
L ARROWHEAD WWTFHW:2617215,581 population served2012
MURRAY STPHW:2988615,579 population served2012
MOUNT STERLING Hinkston Creek WWTPHW:3002015,551 population served2012
CAMPBELLSVILLE STPHW:2994315,550 population served2012
New Territory Regional North WWTPHW:3811215,530 population served2012
WASHINGTON WWTPHW:2816115,527 population served2012
SANFORD W W T FHW:3047015,518 population served2012
Southwest Regional WWTFHW:2684815,500 population served2012
Oswego C West Side STPHW:3395015,500 population served2012
Sevierville McCosky Is STPHW:3750315,500 population served2012
MCCOMB POTWHW:3153315,444 population served2012
North Little Rock White Oak BayouHW:2541615,433 population served2012
JAMESTOWN WWTPHW:3444815,427 population served2012
Morris Township Butterworth CS_STPHW:3327215,424 population served2012
HELENA WWTPHW:2504315,420 population served2012
MUNFORD LAGOONHW:3746515,415 population served2012
BURLINGTON NO END STPHW:3823415,400 population served2012
Fostoria WWTP and Sewer SystemHW:3510815,395 population served2012
Clermont Co Nine Mile Creek WWTPHW:3504315,373 population served2012
Forrest City WWTPHW:2543615,371 population served2012
CALEXICO WWTFHW:2618615,344 population served2012
LEE LAKE WD WWTPHW:2623715,344 population served2012
SIKESTON WWTPHW:3175215,318 population served2012
BROOKINGS WWT FACILITYHW:3729415,314 population served2012
CANTON WEST STPHW:2755615,302 population served2012
SPRINGFIELD STPHW:3751715,300 population served2012
Van Buren Main WWTPHW:2553415,297 population served2012
LYNN HAVEN STPHW:2689815,275 population served2012
Center Creek WWTPHW:3201515,268 population served2012
MADISON SEWAGE TRTMT PLTHW:2815115,250 population served2012
YORKVILLE YORKVILLE BRISTOL STPHW:2777015,240 population served2012
KUNA NORTH WW TREATMENT PLANTHW:2737415,210 population served2012
Xenia Glady Run WWTP and SewersHW:3552315,203 population served2012
ORANGEBURG STPHW:3718315,200 population served2008
CLARKS SUMMIT _ S ABINGTON STPHW:3641815,182 population served2012
PHOENIXVILLE BORO STPHW:3626915,156 population served2012
Buckeye Central WRFHW:2529915,150 population served2012
FILLMORE WWTFHW:2596215,145 population served2012
CANBY STPHW:3602815,140 population served2012
EASTON WWTPHW:3062615,139 population served2012
Scottsdale Water Campus AWTHW:2532915,134 population served2012
McHenry South WWTPHW:2776215,122 population served2012
ADDISON WWTP SOUTHHW:2760815,121 population served2012
SPEEDWAY TOWN OFHW:2801015,119 population served2012
CAROLINA BEACH WWTPHW:3432715,112 population served2012
WHITEMARSH TWP AUTH STPHW:3622915,100 population served2012
HERMISTON Recycled Water PlantHW:3613315,070 population served2012
TWO RIVERS WWTPHW:3948515,045 population served2012
Bedford WWTP and Sewer SystemHW:3498315,006 population served2012
CAMP CREEK AREA WWTPHW:3893215,003 population served2012
HUNTSVILLE BIG COVE WWTPHW:2505015,000 population served2012
Northern Gila County SD PaysonHW:2529115,000 population served2012
RIPON WWTFHW:2599015,000 population served2012
WINDSOR WWTPHW:2631915,000 population served2012
Oviedo WRFHW:2667815,000 population served2012
WINTER SPRINGS STPHW:2668315,000 population served2012
Spencer WWTPHW:2674915,000 population served2012
VERSAILLES STPHW:2986915,000 population served2012
BARDSTOWN WWTPHW:2992515,000 population served2012
Summit Co Fishcreek WWTP 25HW:3543415,000 population served2012
Trumbull Co Mosquito Creek WWTPHW:3545415,000 population served2012
MONCKS CORNER WWTPHW:3718715,000 population served2008
Newport WWTPHW:3747315,000 population served2012
King s Creek WWTPHW:3785115,000 population served2012
Southwest Environmental CenterHW:3798615,000 population served2012
Kuelher Road South WWTPHW:3805515,000 population served2012
GREAT BEND WWTPHW:2971414,959 population served2012
NEEDLES WWTFHW:2620314,950 population served2012
Westerly WWTFHW:3706714,950 population served2012
GIG HARBOR STPHW:3863714,947 population served2012
Moberly WWTPHW:3173014,945 population served2012
Southbridge Dept of Public WorksHW:3071314,928 population served2012
SN CO SHERWOOD REG WWTPHW:2943014,915 population served2012
NEW PORT RICHEY WPCPHW:2684014,911 population served2012
MUNSTER WWTPHW:3037214,906 population served2012
Cape Canaveral AWTFHW:2672614,903 population served2012
MOON TWP MA MONTOUR RUN STPHW:3680814,900 population served2012
LINDENHURST STPHW:2772614,861 population served2012
SUSSEX REGIONAL WWTPHW:3947314,856 population served2012
DEMING WWT FACILITYHW:3344714,855 population served2012
REPUBLIC WWTPHW:3185114,847 population served2012
Conneaut WWTP and Sewer SystemHW:3505914,841 population served2012
Village of Los LunasHW:3349814,835 population served2012
Parlier WWTFHW:2603514,826 population served2012
Burlington City CS_STPHW:3336914,809 population served2012
CULLMAN WWTPHW:2501014,800 population served2012
Easthampton Dept of Public WorksHW:3073114,767 population served2012
FOREST CITY WWTPHW:3437814,766 population served2012
Scottsdale Gainey Ranch WRFHW:2532714,760 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.