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Clean Water Act discharge permit · NPDES WA0991007

FORMER UNOCAL EDMONDS BULK TERMINAL, Edmonds, WA: NPDES WA0991007 discharge permit, effluent exceedances, inspections, penalties

FORMER UNOCAL EDMONDS BULK TERMINAL, held by Chevron Environmental Management Co, holds NPDES permit WA0991007. EPA’s file records it issued September 28, 2016 and expiring October 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedFORMER UNOCAL EDMONDS BULK TERMINAL
Permittee as filedChevron Environmental Management Co
NPDES IDWA0991007
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
IssuedSeptember 28, 2016
Expiration dateOctober 31, 2021
Issuing agencyState
AddressEdmonds, WA 98020
SubwatershedShell Creek-Frontal Puget Sound (HUC 171100190203)
Other EPA IDs (FRS)RCRA handler WAD009245259

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
Benzo[b]fluoranthene2241May 31, 202534% over the limit
Chrysene2241May 31, 20254% over the limit
pH4460
Polynuclear Aromatic Hydrocarbons [PAHs]2230
Benzene2230
Benzo[k]fluoranthene2230
Benzo[a]pyrene2230
Indeno[1,2,3-cd]pyrene2230
Benzo[a]anthracene2230
Dibenz[a,h]anthracene2230
Total Petroleum Hydrocarbons - Diesel2230
Total Petroleum Hydrocarbons - Gasoline2230
Flow2230
Oil and grease visual100

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0991007.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WA0991007 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit WA0991007 for the former Unocal Edmonds Bulk Terminal in Edmonds, WA, held by Chevron Environmental Management Co, with a status of administratively continued and an expiration date of October 31, 2021. The page lists a Minor Discharger class, 14 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance, within subwatershed HUC 171100190203 (Shell Creek-Frontal Puget Sound).