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Clean Water Act discharge permit · NPDES WA0032174

MARINE FLUID SYSTEMS, Seattle, WA: NPDES WA0032174 discharge permit, effluent exceedances, inspections, penalties

MARINE FLUID SYSTEMS, held by Marine Fluid Systems, Inc., holds NPDES permit WA0032174. EPA’s file records it issued February 14, 2018 and expiring March 31, 2023.

MARINE FLUID SYSTEMS, Seattle, Washington: Individual permit WA0032174, held by Marine Fluid Systems, Inc.; Administratively continued (past its expiration date and still in force until reissued); issued February 14, 2018, term to March 31, 2023, by State; Ship Building and Repairing.

  • Oil and grease, hexane extr method: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • Oil and grease visual: 1 limit, 0 violations of any kind, 0 effluent exceedances.
  • July 15, 2026: Evaluation (S).

MARINE FLUID SYSTEMS among its neighbors

EPA’s permit file holds 475 discharge permits in the Lake Washington-Sammamish River subwatershed (HUC 171100120400), WA0032174 among them. Its county holds 1,319, 8 of them major permits; WA0032174 is a minor permit.

Other permits in the Lake Washington-Sammamish River subwatershed (HUC 171100120400)

Identity

Facility as filedMARINE FLUID SYSTEMS
Permittee as filedMarine Fluid Systems, Inc.
NPDES IDWA0032174
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 14, 2018
Expiration dateMarch 31, 2023
Issuing agencyState
AddressSeattle, WA 98107
Receiving water impaired303(D) Listed
SubwatershedLake Washington-Sammamish River (HUC 171100120400)
NAICS336611 – Ship Building and Repairing
Other EPA IDs (FRS)RCRA handler WAD988490892

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
Oil and grease, hexane extr method100
Oil and grease visual100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WA0032174.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0032174.

Inspections

DateWhat EPA recordedAgency
July 15, 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 WA0032174.

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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 Clean Water Act NPDES permit WA0032174, held by Marine Fluid Systems, Inc. in Seattle, WA, with an issue date of February 14, 2018 and an expiration date of March 31, 2023, and it is administratively continued. The page lists 2 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it reports no violation in EPA's effluent violation file or single-event violation file.