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Clean Water Act discharge permit · NPDES WAR046502

CLARKSTON CITY, Clarkston, WA: NPDES WAR046502 discharge permit, effluent exceedances, inspections, penalties

CLARKSTON CITY, held by City of Clarkston, holds NPDES permit WAR046502. EPA’s file records it issued July 1, 2019 and expiring July 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedCLARKSTON CITY
Permittee as filedCity of Clarkston
NPDES IDWAR046502
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramSmall municipal storm sewer systems
IssuedJuly 1, 2019
Expiration dateJuly 31, 2024
Issuing agencyState
AddressClarkston, WA 99403
Receiving water impaired303(D) Listed
SubwatershedDry Creek-Snake River (HUC 170601070201)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WAR046502.

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 WAR046502.

Inspections

DateWhat EPA recordedAgency
June 15, 2026AuditS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES WAR046502.

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 WAR046502 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The CLARKSTON CITY permit is one of 3 Storm Water Small MS4s permits on EPA's NPDES register in Asotin County, this one included. It also sits among 11 NPDES permits in the Dry Creek-Snake River subwatershed, this one included. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.