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Clean Water Act discharge permit · NPDES WAR313402

SR 505 IMPROVEMENTS, Winlock, WA: NPDES WAR313402 discharge permit, effluent exceedances, inspections, penalties

SR 505 IMPROVEMENTS, held by The Benaroya Company, LLC, holds NPDES permit WAR313402. EPA’s file records it issued November 18, 2020 and expiring December 31, 2025.

SR 505 IMPROVEMENTS, Winlock, Washington: Coverage under a general permit WAR313402, held by The Benaroya Company, LLC; Construction stormwater; Administratively continued (past its expiration date and still in force until reissued); issued November 18, 2020, term to December 31, 2025, by State.

  • pH: 2 limits, 26 violations of any kind, 0 effluent exceedances.
  • Turbidity: 1 limit, 13 violations of any kind, 0 effluent exceedances.

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 1,658 were issued before WAR313402.

Coverages issued nearest WAR313402

SR 505 IMPROVEMENTS among its neighbors

EPA’s permit file holds 8 discharge permits in the Lacamas Creek subwatershed (HUC 170800050305), WAR313402 among them.

Other permits in the Lacamas Creek subwatershed (HUC 170800050305)

Identity

Facility as filedSR 505 IMPROVEMENTS
Permittee as filedThe Benaroya Company, LLC
NPDES IDWAR313402
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
ProgramConstruction stormwater
IssuedNovember 18, 2020
Expiration dateDecember 31, 2025
Issuing agencyState
AddressWinlock, WA 98596
SubwatershedLacamas Creek (HUC 170800050305)
SIC1794 – Excavation Work

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
pH2260
Turbidity1130

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WAR313402.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAR313402.

Inspections

EPA’s inspection file holds no inspection for NPDES WAR313402.

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 WAR313402.

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Nearby on the register

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

What this page shows

This public-records page covers NPDES permit WAR313402 for SR 505 IMPROVEMENTS in Winlock, WA, held by The Benaroya Company, LLC, under the construction stormwater program, with a status of administratively continued. The page lists 2 pollutants on file, 2 under a numeric limit, and 0 with an effluent exceedance, within the Lacamas Creek subwatershed (HUC 170800050305).