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

Wastewater treatment plants in the United States

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

Name	Native size	Year
BAILEYVILLE I D WWTPHW:29526	172 population served	2012
North Madison Co SD Executive PkHW:30099	172 population served	2012
RENICK WWTPHW:32001	172 population served	2012
FCPWSD 3 Eastland OaksHW:32070	172 population served	2012
JAMESTOWN N LAGOONHW:32250	172 population served	2012
SYRACUSE WWTPHW:32332	172 population served	2012
FARWELL WWTPHW:32808	172 population served	2012
Corona Village ofHW:33506	172 population served	2012
Chautauqua T Heights WWTPHW:34112	172 population served	2012
LITCHVILLE LAGOONHW:34620	172 population served	2012
Lake Co Rio Grande WWTPHW:35205	172 population served	2012
CROOK WWTPHW:26381	171 population served	2012
GRAND RIVER WWTPHW:28714	171 population served	2012
HENDERSON STLHW:28740	171 population served	2012
RICKARDSVILLE WWTPHW:28998	171 population served	2012
ROSE HILL SEPTICSHW:29191	171 population served	2012
LESLIE WWTPHW:31873	171 population served	2012
MENDON WWTPHW:32267	171 population served	2012
PLAZA LAGOONHW:34660	171 population served	2012
TABIONAHW:38189	171 population served	2012
Aubrey WWTPHW:25655	170 population served	2012
Ulm WWTPHW:25715	170 population served	2012
CALUMET STLHW:28544	170 population served	2012
HARRIS WWTPHW:28734	170 population served	2012
ROCK FALLS WWTPHW:29004	170 population served	2012
NETAWAKA WWTPHW:29383	170 population served	2012
CORNING WWTPHW:29529	170 population served	2012
SMOLAN WWTPHW:29657	170 population served	2012
RANDOLPH HILLS WWTPHW:31886	170 population served	2012
CLEARMONT WWTFHW:31975	170 population served	2012
FCPWSD 3 Ming EstatesHW:32072	170 population served	2012
CLARKSBURG WWTPHW:32223	170 population served	2012
LAKE HANNIBAL ESTATES WWTPHW:32272	170 population served	2012
STREETER LAGOONHW:34687	170 population served	2012
Geauga Co Belle Vernon WWTPHW:34853	170 population served	2012
TATUMS WWTHW:35753	170 population served	2012
Richland Co BelvedereHW:37266	170 population served	2008
EAST STP 2HW:37936	170 population served	2012
Ellinger WWTPHW:38086	170 population served	2012
Benson TownHW:38227	170 population served	2012
LIME RIDGE STPHW:39052	170 population served	2012
HUSTLER STPHW:39639	170 population served	2012
Rockbridge Village ofHW:27836	169 population served	2012
DELIA WWTPHW:29354	169 population served	2012
FELTON WWTPHW:31228	169 population served	2012
GRASSTON STPHW:31338	169 population served	2012
GRAHAM WWTPHW:31982	169 population served	2012
ABIQUIU LAGOONHW:33460	169 population served	2012
RHAME LAGOONHW:34666	169 population served	2012
MANTER WWTPHW:29336	168 population served	2012
Hebgen Lake Estates County WandS DistHW:32628	168 population served	2012
Stratford Millhouse WWTFHW:33170	168 population served	2012
Knox Co Pleasant View Acres WWTPHW:35081	168 population served	2012
SAND CREEK SD 1 STPHW:39572	168 population served	2012
COLESBURG NW STLHW:28582	167 population served	2012
SPRINGBROOK WWTPHW:29052	167 population served	2012
WALTHALL POTWHW:31644	167 population served	2012
MIDDLETOWN WWTPHW:31831	167 population served	2012
Poneto Municipal STPHW:28433	166 population served	2012
PERU WWTPHW:29783	166 population served	2012
ELMO WWTPHW:31984	166 population served	2012
ROCKVILLE STPHW:32166	166 population served	2012
COFFEY LAGOONHW:32221	166 population served	2012
FREISTATT WWTPHW:32458	166 population served	2012
TOLNA LAGOONHW:34693	166 population served	2012
WESTPHALIA WWTPHW:29523	165 population served	2012
LATHAM WWTPHW:29802	165 population served	2012
Fountain N Lakes WWTPHW:32235	165 population served	2012
Crogan T Prop STP and On Site SysHW:33858	165 population served	2012
Washington Co Deerfield Estates WWTP and SewersHW:34760	165 population served	2012
Louann WWTPHW:25697	164 population served	2012
ROZEL WWTPHW:29732	164 population served	2012
ARGYLE WWTPHW:32438	164 population served	2012
ALVO WWTPHW:33095	164 population served	2012
LOHMAN WWTFHW:32020	163 population served	2012
HURDLAND WWTPHW:32035	163 population served	2012
Lysander T Subdivs STP and OnsitesHW:33939	163 population served	2012
KENSAL LAGOONHW:34608	163 population served	2012
RUTLAND LAGOONHW:34670	163 population served	2012
WILLOW CITY LAGOONHW:34708	163 population served	2012
Bromide WWTHW:35662	163 population served	2012
CLAWSONHW:38219	163 population served	2012
WHITINGHAM VIL WPCFHW:38286	163 population served	2012
QUITMAN STPHW:30265	162 population served	2012
HIGHFIELD ACRES LAGOONHW:31950	162 population served	2012
BLACKWATER WWTPHW:32451	162 population served	2012
HENRY WWTPHW:32931	162 population served	2012
RIVERTON WWTPHW:33011	162 population served	2012
WINSLOW STPHW:33086	162 population served	2012
REEDER LAGOONHW:34491	162 population served	2012
FENWOOD STPHW:39218	162 population served	2012
CLARE WWTPHW:28569	161 population served	2012
PRESTON WWTPHW:29279	161 population served	2012
Redwood Park CSD WWTPHW:25820	160 population served	2012
Cokedale Town ofHW:26478	160 population served	2012
WESTFIELD WWTPHW:29130	160 population served	2012
ROCHEPORT WWTPHW:31922	160 population served	2012
PICKERING WWTPHW:31979	160 population served	2012
SALISBURY S WWTPHW:32296	160 population served	2012
DIXONHW:32612	160 population served	2012

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.

US EPA · NPDES Permit Basics

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.