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Clean Water Act discharge permit · NPDES WA0023949

WENATCHEE POTW, Wenatchee, WA: NPDES WA0023949 discharge permit, effluent exceedances, inspections, penalties

WENATCHEE POTW, held by City of Wenatchee, holds NPDES permit WA0023949. EPA’s file records it issued July 29, 2010 and expiring August 31, 2015. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedWENATCHEE POTW
Permittee as filedCity of Wenatchee
NPDES IDWA0023949
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMajor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJuly 29, 2010
Expiration dateAugust 31, 2015
Issuing agencyState
AddressWenatchee, WA 98801
SubwatershedNumber Two Canyon-Columbia River (HUC 170200100308)
Program components on filePOTW, Pretreatment
SIC4952 – Sewerage Systems
Other EPA IDs (FRS)RCRA handler WAD075746545

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended088November 30, 202473% over the limit
Coliform, fecal general066June 30, 202699,999% over the limit
Nitrogen, ammonia total [as N]022November 30, 202110% over the limit
Alkalinity, total [as CaCO3]010
Oil and grease, hexane extr method010
Nitrogen, Kjeldahl, total [as N]010
Nitrite + Nitrate total [as N]010
Nitrogen, inorganic total010
Phosphorus, total [as P]010
Solids, total dissolved010

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0023949.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WA0023949 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The Wenatchee POTW's NPDES permit WA0023949, held by the City of Wenatchee, is listed as administratively continued, a Major discharger class 0 with 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance. The record shows the permit as issued July 29, 2010 and expiring August 31, 2015, with the subwatershed Two Canyon-Columbia River (HUC 170200100308).