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Clean Water Act discharge permit · NPDES WAR10F093

P260-P8A AIRFIELD IMPROVEMENTS, Oak Harbor, WA: NPDES WAR10F093 discharge permit, effluent exceedances, inspections, penalties

P260-P8A AIRFIELD IMPROVEMENTS, held by CMS Corporation, holds NPDES permit WAR10F093. EPA’s file records it issued March 27, 2024 and expiring February 16, 2027.

P260-P8A AIRFIELD IMPROVEMENTS, Oak Harbor, Washington: Coverage under a general permit WAR10F093, held by CMS Corporation; Construction stormwater; Effective; issued March 27, 2024, term to February 16, 2027, by U.S. EPA.

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 3,836 were issued before WAR10F093.

Coverages issued nearest WAR10F093

P260-P8A AIRFIELD IMPROVEMENTS among its neighbors

EPA’s permit file holds 27 discharge permits in the Whidbey Island-Frontal Skagit Bay subwatershed (HUC 171100190102), WAR10F093 among them.

Other permits in the Whidbey Island-Frontal Skagit Bay subwatershed (HUC 171100190102)

What the register holds for P260-P8A AIRFIELD IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Oak Harbor, Washington. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES WAR10F093.

Identity

Facility as filedP260-P8A AIRFIELD IMPROVEMENTS
Permittee as filedCMS Corporation
NPDES IDWAR10F093
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 27, 2024
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressOak Harbor, WA 98278
SubwatershedWhidbey Island-Frontal Skagit Bay (HUC 171100190102)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES WAR10F093.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAR10F093.

Inspections

EPA’s inspection file holds no inspection for NPDES WAR10F093.

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 WAR10F093.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, WAR10F093.

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Nearby on the register

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

What this page shows

P260-P8A AIRFIELD IMPROVEMENTS, held by CMS Corporation, is among 21 storm water construction permits on EPA's NPDES register in Oak Harbor, including this permit, and 52.4% of those carry a violation on file. The Whidbey Island-Frontal Skagit Bay subwatershed (HUC 171100190102) holds 27 NPDES permits, and 57.1% of all 21 Oak Harbor permits, this permit included, were issued before this coverage.