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Clean Water Act discharge permit · NPDES WAR308397

SERVICE HYDRAULICS, INC., Auburn, WA: NPDES WAR308397 discharge permit, effluent exceedances, inspections, penalties

SERVICE HYDRAULICS, INC., held by Service Hydraulics, Inc., holds NPDES permit WAR308397. EPA’s file records it issued November 20, 2019 and expiring December 31, 2024.

SERVICE HYDRAULICS, INC., Auburn, Washington: Coverage under a general permit WAR308397, held by Service Hydraulics, Inc.; Administratively continued (past its expiration date and still in force until reissued); issued November 20, 2019, term to December 31, 2024, by State; Fluid Power Cylinder and Actuator Manufacturing.

  • Copper, total [as Cu]: 1 limit, 7 violations of any kind, 6 effluent exceedances, latest June 30, 2024, largest 271% over the limit.
  • Zinc, total [as Zn]: 1 limit, 5 violations of any kind, 4 effluent exceedances, latest June 30, 2024, largest 291% over the limit.
  • Turbidity: 1 limit, 2 violations of any kind, 1 effluent exceedance, latest June 30, 2024.
  • Oil and grease visual: 1 limit, 2 violations of any kind, 1 effluent exceedance, latest September 30, 2023, largest 2,147,483,650% over the limit.
  • pH: 2 limits, 2 violations of any kind, 0 effluent exceedances.
  • Total Petroleum Hydrocarbons - Diesel: 1 limit, 2 violations of any kind, 0 effluent exceedances.
  • Lead, total [as Pb]: 1 limit, 1 violation of any kind, 0 effluent exceedances.

SERVICE HYDRAULICS, INC. among its neighbors

EPA’s permit file holds 106 discharge permits in the Mill Creek-Green River subwatershed (HUC 171100130304), WAR308397 among them. Its county holds 1,319, 8 of them major permits; WAR308397 is a minor permit.

Other permits in the Mill Creek-Green River subwatershed (HUC 171100130304)

Identity

Facility as filedSERVICE HYDRAULICS, INC.
Permittee as filedService Hydraulics, Inc.
NPDES IDWAR308397
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
IssuedNovember 20, 2019
Expiration dateDecember 31, 2024
Issuing agencyState
AddressAuburn, WA 98002
Receiving water impaired303(D) Listed
SubwatershedMill Creek-Green River (HUC 171100130304)
NAICS333995 – Fluid Power Cylinder and Actuator Manufacturing
SIC3593 – Fluid Power Cylinders & Actuators
Other EPA IDs (FRS)RCRA handler WAD981764426

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
Copper, total [as Cu]176June 30, 2024271% over the limit
Zinc, total [as Zn]154June 30, 2024291% over the limit
Turbidity121June 30, 2024
Oil and grease visual121September 30, 20232,147,483,650% over the limit
pH220
Total Petroleum Hydrocarbons - Diesel120
Lead, total [as Pb]110

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WAR308397.

Inspections

EPA’s inspection file holds no inspection for NPDES WAR308397.

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 WAR308397.

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Nearby on the register

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

What this page shows

This EPA NPDES discharge permit record for Service Hydraulics, Inc., Auburn, WA, shows permit WAR308397 issued November 20, 2019, with an expiration date of December 31, 2024, and an administratively continued status as of October 14, 2026. The page lists 7 minor discharger class designations, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance.