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Clean Water Act discharge permit · NPDES WAR313583

CUNNINGHAM PLAT, Seattle, WA: NPDES WAR313583 discharge permit, effluent exceedances, inspections, penalties

CUNNINGHAM PLAT, held by Conner Homes at Skyway Crest, LLC, holds NPDES permit WAR313583. EPA’s file records it issued November 18, 2020 and expiring December 31, 2025. 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 filedCUNNINGHAM PLAT
Permittee as filedConner Homes at Skyway Crest, LLC
NPDES IDWAR313583
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
AddressSeattle, WA 98178
Receiving water impaired303(D) Listed
SubwatershedGreen River (HUC 171100130305)
SIC1794 – Excavation Work

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

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
pH220
Turbidity110
Transparency110

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WAR313583.

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 WAR313583.

Inspections

EPA’s inspection file holds no inspection for NPDES WAR313583.

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 WAR313583.

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

Watch this permit

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How we handle your data → Privacy

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 WAR313583 there.

Nearby on the register

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

What this page shows

The register page covers NPDES permit WAR313583 for CUNNINGHAM PLAT in Seattle, WA, held by Conner Homes at Skyway Crest, LLC, which lists a permit status of administratively continued, a Minor discharger class, and a construction stormwater program. The page reports 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit issued November 18, 2020 and expiring December 31, 2025. The receiving water is listed as impaired under 303(D), within the Green River subwatershed, HUC 171100130305.