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Clean Water Act discharge permit · NPDES WAR314147

JEFFERSON KAUFFMAN REALIGNMENT PROJECT, Vancouver, WA: NPDES WAR314147 discharge permit, effluent exceedances, inspections, penalties

JEFFERSON KAUFFMAN REALIGNMENT PROJECT, held by Midway Underground, LLC, holds NPDES permit WAR314147. EPA’s file records it issued November 18, 2020 and expiring December 31, 2025.

JEFFERSON KAUFFMAN REALIGNMENT PROJECT, Vancouver, Washington: Coverage under a general permit WAR314147, held by Midway Underground, 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, 2 violations of any kind, 0 effluent exceedances.
  • Turbidity: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • Transparency: 1 limit, 1 violation of any kind, 0 effluent exceedances.
  • January 13, 2026: Evaluation (S).

Washington holds 4,744 Construction stormwater coverages of this permit type in EPA’s file; 1,658 were issued before WAR314147. Midway Underground, LLC holds 3 permits in Washington.

Other permits held by Midway Underground, LLC

Coverages issued nearest WAR314147

JEFFERSON KAUFFMAN REALIGNMENT PROJECT among its neighbors

EPA’s permit file holds 35 discharge permits in the Hayden Island-Columbia River subwatershed (HUC 170900120500), WAR314147 among them.

Other permits in the Hayden Island-Columbia River subwatershed (HUC 170900120500)

Identity

Facility as filedJEFFERSON KAUFFMAN REALIGNMENT PROJECT
Permittee as filedMidway Underground, LLC
NPDES IDWAR314147
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
AddressVancouver, WA 98660
Receiving water impaired303(D) Listed
SubwatershedHayden Island-Columbia River (HUC 170900120500)

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 WAR314147.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAR314147.

Inspections

DateWhat EPA recordedAgency
January 13, 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 WAR314147.

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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 WAR314147 for the JEFFERSON KAUFFMAN REALIGNMENT PROJECT in Vancouver, WA, held by Midway Underground, LLC, which is administratively continued as a minor discharger under a construction stormwater general permit issued November 18, 2020 with an expiration date of December 31, 2025. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the receiving water is 303(D) Listed in the Hayden Island-Columbia River subwatershed (HUC 170900120500).