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

Wastewater treatment plants in United States · Colorado

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400 inventory records · EPA Clean Watersheds Needs Survey 2022

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

400 results

CompareNameNative sizeYear
Fitzsimmons & Platte CanyonBailey0.2 MGD (million gallons per day)2022
GILCREST WWTPGilcrest0.196 MGD (million gallons per day)2022
Upper Blue Sanitation DistrictBreckenridge0.194 MGD (million gallons per day)2022
Collbran, Town ofCollbran0.192 MGD (million gallons per day)2022
CLIFTON SD NO 1 WWTPClifton0.19 MGD (million gallons per day)2022
Ridgway, Town ofRidgway0.19 MGD (million gallons per day)2022
PIERCE WWTPAult0.18 MGD (million gallons per day)2022
FOREST LAKES WWTP (La Plata)Bayfield0.18 MGD (million gallons per day)2022
CRAWFORDCrawford0.18 MGD (million gallons per day)2022
Forest Lakes MD CollectionColorado Springs0.18 MGD (million gallons per day)2022
Cucharas SWDLa Veta0.175 MGD (million gallons per day)2022
Byers Water and Sanitation DistrictByers0.17 MGD (million gallons per day)2022
FOWLER, Town ofFowler0.17 MGD (million gallons per day)2022
LA JARA WWTPLa Jara0.17 MGD (million gallons per day)2022
CUCHARAS VALLEY RESORT WWTLa Veta0.17 MGD (million gallons per day)2022
RED CLIFF WWTPRed Cliff0.17 MGD (million gallons per day)2022
East Alamosa WSDAlamosa0.17 MGD (million gallons per day)2022
NORWOOD WWTPNorwood0.165 MGD (million gallons per day)2022
SPRINGFIELD STPSpringfield0.16 MGD (million gallons per day)2022
Severance Town ofSeverance0.155 MGD (million gallons per day)2022
Ault, Town ofAult0.15 MGD (million gallons per day)2022
Cheyenne Mountain ZooColorado Springs0.15 MGD (million gallons per day)2022
ORDWAY WWTPOrdway0.15 MGD (million gallons per day)2022
EADS WWTPKiowa0.15 MGD (million gallons per day)2022
BACA GRANDE WSDCrestone0.15 MGD (million gallons per day)2022
Saguache, Town ofSaguache0.15 MGD (million gallons per day)2022
Two Rivers Metropolitan DistrictEdwards0.15 MGD (million gallons per day)2022
Holmes Run SewershedNucla0.15 MGD (million gallons per day)2022
East River Regional Sanitation DistrictGunnison0.143 MGD (million gallons per day)2022
CLEAR CREEK Regional WWTPEvergreen0.14 MGD (million gallons per day)2022
HOT SULPHUR SPR. WWTPHot Sulphur Springs0.14 MGD (million gallons per day)2022
Cheyenne Wells SD #1Cheyenne Wells0.14 MGD (million gallons per day)2022
Upper Valley Sanitation DistrictBayfield0.13 MGD (million gallons per day)2022
LA VETA STPLa Veta0.13 MGD (million gallons per day)2022
ELIZABETH STPElizabeth0.13 MGD (million gallons per day)2022
Foxridge WWTPAurora0.13 MGD (million gallons per day)2022
Sanford Town ofSanford0.128 MGD (million gallons per day)2022
KITTREDGE WWTPEvergreen0.125 MGD (million gallons per day)2022
Manzanola, Town ofManzanola0.125 MGD (million gallons per day)2022
Loma Linda SDDurango0.125 MGD (million gallons per day)2022
DOVE CREEK WWTPDove Creek0.12 MGD (million gallons per day)2022
ALMAAlma0.12 MGD (million gallons per day)2022
Central Clear Creek SDDumont0.12 MGD (million gallons per day)2022
ACADEMY WWTPColorado Springs0.116 MGD (million gallons per day)2022
MINTURN COLL. SYS.Minturn0.111 MGD (million gallons per day)2022
Steamboat Lake WSDClark0.11 MGD (million gallons per day)2022
YAMPA WWTPYampa0.11 MGD (million gallons per day)2022
Fairways MDNiwot0.11 MGD (million gallons per day)2022
Roaring Fork water and Sanitation DistrictCarbondale0.107 MGD (million gallons per day)2022
Rio Grande CountySouth Fork0.107 MGD (million gallons per day)2022
Dinosaur, Town ofDinosaur0.1 MGD (million gallons per day)2022
Westwood Lakes WDWoodland Park0.1 MGD (million gallons per day)2022
Rangeview Metro DistrictWatkins0.1 MGD (million gallons per day)2022
MOUNTAIN WSDConifer0.1 MGD (million gallons per day)2022
Fowler/WestcampFowler0.1 MGD (million gallons per day)2022
HAXTUN STPHaxtun0.1 MGD (million gallons per day)2022
FORT GARLAND STPFort Garland0.1 MGD (million gallons per day)2022
SIMLA WWTPSimla0.1 MGD (million gallons per day)2022
MORGAN CTY/MORGAN HGTSFort Morgan0.1 MGD (million gallons per day)2022
Mountain View Village WSDLeadville0.1 MGD (million gallons per day)2022
Edgemont Ranch MDDurango0.1 MGD (million gallons per day)2022
Flagler Sanitation DistrictFlagler0.093 MGD (million gallons per day)2022
FLAGLER WWTPFlagler0.09 MGD (million gallons per day)2022
VICTOR WWTPVictor0.09 MGD (million gallons per day)2022
HOLLY WWTPHolly0.084 MGD (million gallons per day)2022
STRATTON WWTPStratton0.081 MGD (million gallons per day)2022
Calhan, Town ofCalhan0.08 MGD (million gallons per day)2022
Deer Trail, Town ofDeer Trail0.08 MGD (million gallons per day)2022
Strasburg SWDStrasburg0.075 MGD (million gallons per day)2022
BAILEY WWTPBailey0.075 MGD (million gallons per day)2022
HUGO WWTPHugo0.075 MGD (million gallons per day)2022
LARKSPUR LAGOONLarkspur0.075 MGD (million gallons per day)2022
SILVER HEIGHTS STPCastle Rock0.07 MGD (million gallons per day)2022
ROUND MOUNTAIN WWTPWestcliffe0.07 MGD (million gallons per day)2022
De Beque WWTPDe Beque0.07 MGD (million gallons per day)2022
Maybell Sanitation DistrictMaybell0.07 MGD (million gallons per day)2022
Morgan Heights Water and Sanitation DistrictFort Morgan0.064 MGD (million gallons per day)2022
Florissant WSDFlorissant0.06 MGD (million gallons per day)2022
HILLROSE WWTPHillrose0.06 MGD (million gallons per day)2022
North La Junta SDLa Junta0.06 MGD (million gallons per day)2022
Weld CountyGreeley0.06 MGD (million gallons per day)2022
Empire, Town ofIdaho Springs0.06 MGD (million gallons per day)2022
Will-O-Wisp MDBailey0.06 MGD (million gallons per day)2022
San Juan River Village MDPagosa Springs0.06 MGD (million gallons per day)2022
Swink, Town ofSwink0.06 MGD (million gallons per day)2022
Clearwater MDEnglewood0.06 MGD (million gallons per day)2022
WALSH WWTPWalsh0.054 MGD (million gallons per day)2022
ROCKVALE, TOWN OFRockvale0.053 MGD (million gallons per day)2022
Grand Mesa Metropolitan District #2Mesa0.052 MGD (million gallons per day)2022
MOSCA GID / Alamosa CountyMosca0.051 MGD (million gallons per day)2022
Aspen Village MDAspen0.051 MGD (million gallons per day)2022
Saddler Ridge Metropolitan DistrictFort Collins0.05 MGD (million gallons per day)2022
HILAND ACRES WSDBrighton0.05 MGD (million gallons per day)2022
OVID WWTPOvid0.05 MGD (million gallons per day)2022
AGUILAR, TOWN OFAguilar0.05 MGD (million gallons per day)2022
OTIS WWTPOtis0.05 MGD (million gallons per day)2022
MERINO STPMerino0.05 MGD (million gallons per day)2022
REDSTONE STPCarbondale0.05 MGD (million gallons per day)2022
WILEY STPWiley0.05 MGD (million gallons per day)2022
BACA GRANDE CASITA PARKCrestone0.05 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.