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Clean Water Act discharge permit · NPDES WAR313368

OSLO BAY APARTMENTS, Poulsbo, WA: NPDES WAR313368 discharge permit, effluent exceedances, inspections, penalties

OSLO BAY APARTMENTS, held by Seton Construction, Inc., holds NPDES permit WAR313368. EPA’s file records it issued November 18, 2020 and expiring December 31, 2025.

OSLO BAY APARTMENTS, Poulsbo, Washington: Coverage under a general permit WAR313368, held by Seton Construction, Inc.; 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, 14 violations of any kind, 0 effluent exceedances.
  • Turbidity: 1 limit, 7 violations of any kind, 0 effluent exceedances.
  • June 9, 2026: Evaluation (S).

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 1,658 were issued before WAR313368. Seton Construction, Inc. holds 5 permits in Washington.

Other permits held by Seton Construction, Inc.

Coverages issued nearest WAR313368

  • November 18, 2020: I-5 BLOMBERG CC, Tumwater, WAR313358, held by I-5 Blomberg CC, LLC
  • November 18, 2020: FIRCREST MEADOWS SUBDIVISION, Vancouver, WAR313362, held by DR Horton
  • November 18, 2020: NEWCASTLE 113TH, Newcastle, WAR313363, held by Newcastle 113th, LLC
  • November 18, 2020: WELLINGTON PLAT, Bellingham, WAR313364, held by Wellington Development LLC
  • November 18, 2020: SR 161 MP 34.03, Milton, WAR313366, held by Guy F. Atkinson Construction LLC
  • November 18, 2020: MILAGRO II, Lynnwood, WAR313371, held by Harbour Homes LLC
  • November 18, 2020: HARBOR RUN, Gig Harbor, WAR313373, held by MainVue WA LLC
  • November 18, 2020: 2408 SE GRACE AVENUE, Battle Ground, WAR313377, held by TLL Investments, LLC
  • November 18, 2020: SOUTH PARK 8TH AVE S, Seattle, WAR313378, held by Neeley Construction
  • November 18, 2020: SOUTHRIDGE, Kennewick, WAR313381, held by Parametrix

OSLO BAY APARTMENTS among its neighbors

EPA’s permit file holds 42 discharge permits in the Big Valley-Frontal Puget Sound subwatershed (HUC 171100190707), WAR313368 among them.

Other permits in the Big Valley-Frontal Puget Sound subwatershed (HUC 171100190707)

Identity

Facility as filedOSLO BAY APARTMENTS
Permittee as filedSeton Construction, Inc.
NPDES IDWAR313368
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
AddressPoulsbo, WA 98370
Receiving water impaired303(D) Listed
SubwatershedBig Valley-Frontal Puget Sound (HUC 171100190707)

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
pH2140
Turbidity170

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WAR313368.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAR313368.

Inspections

DateWhat EPA recordedAgency
June 9, 2026EvaluationS

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 WAR313368.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit WAR313368, held by Seton Construction, Inc. for OSLO BAY APARTMENTS in Poulsbo, WA, a minor discharger under construction stormwater coverage that is administratively continued past its December 31, 2025 expiration date. The page lists 2 pollutants on file, both under a numeric limit, with 0 showing an effluent exceedance, and it cites the EPA ICIS-NPDES permit file as of September 15, 2026.