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NPDES WAR314941 · Clean Water Act

CLARKSTON 2021 STORMWATER RETROFIT, Clarkston, WA: NPDES WAR314941 discharge permit, effluent exceedances, inspections, penalties

CLARKSTON 2021 STORMWATER RETROFIT, Clarkston, Washington: General permit coverage WAR314941, held by Liberty NW Construction; Construction stormwater; Administratively continued; issued November 18, 2020, term to December 31, 2025, by State.

  • pH: 2 limits, 28 violations of any kind.
  • Turbidity: 0 limits, 12 violations of any kind.
  • Transparency: 0 limits, 6 violations of any kind.

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 1,658 were issued before WAR314941. Liberty NW Construction holds 2 permits in Washington.

Other permits held by Liberty NW Construction

Coverages issued nearest WAR314941

CLARKSTON 2021 STORMWATER RETROFIT among its neighbors

17 discharge permits are in the Asotin Dam-Snake River subwatershed (HUC 170601030307); WAR314941 is one.

Other permits in the Asotin Dam-Snake River subwatershed (HUC 170601030307)

Identity

FacilityCLARKSTON 2021 STORMWATER RETROFIT
PermitteeLiberty NW Construction
NPDES IDWAR314941
StatusAdministratively continued
TypeGeneral permit coverage
ClassMinor
Facility typeNon-POTW
ProgramConstruction stormwater
IssuedNovember 18, 2020
ExpiresDecember 31, 2025
AgencyState
AddressClarkston, WA 99403
Receiving water impaired303(D) Listed
SubwatershedAsotin Dam-Snake River (HUC 170601030307)

NPDES WAR314941: effluent limits and exceedances

CLARKSTON 2021 STORMWATER RETROFIT (NPDES WAR314941): 3 pollutants on file, 1 limited; 3 with a violation of any kind, 0 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
pH2280
Turbidity0120
Transparency060

NPDES WAR314941: inspections, violations and enforcement

NPDES WAR314941 (CLARKSTON 2021 STORMWATER RETROFIT): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES WAR314941

NPDES WAR314941: 3 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.