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Clean Water Act discharge permit · NPDES WA0037265

OCCIDENTAL CHEMICAL CORP, Tacoma, WA: NPDES WA0037265 discharge permit, effluent exceedances, inspections, penalties

OCCIDENTAL CHEMICAL CORP holds NPDES permit WA0037265. EPA’s file records it issued November 10, 2016 and expiring November 30, 2021.

OCCIDENTAL CHEMICAL CORP, Tacoma, Washington: Individual permit WA0037265; Administratively continued (past its expiration date and still in force until reissued); issued November 10, 2016, term to November 30, 2021, by State.

  • Flow: 0 limits, 2 violations of any kind, 0 effluent exceedances.

OCCIDENTAL CHEMICAL CORP among its neighbors

EPA’s permit file holds 166 discharge permits in the Hylebos Creek-Frontal Commencement Bay subwatershed (HUC 171100190205), WA0037265 among them. Its county holds 662, 9 of them major permits; WA0037265 is a minor permit.

Other permits in the Hylebos Creek-Frontal Commencement Bay subwatershed (HUC 171100190205)

Identity

Facility as filedOCCIDENTAL CHEMICAL CORP
Permittee as filedOCCIDENTAL CHEMICAL CORP
NPDES IDWA0037265
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
IssuedNovember 10, 2016
Expiration dateNovember 30, 2021
Issuing agencyState
AddressTacoma, WA 98421
Receiving water impaired303(D) Listed
SubwatershedHylebos Creek-Frontal Commencement Bay (HUC 171100190205)
Other EPA IDs (FRS)RCRA handler WAD009242314

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
Flow020

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WA0037265.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES WA0037265.

Inspections

EPA’s inspection file holds no inspection for NPDES WA0037265.

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 WA0037265.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, WA0037265.

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Nearby on the register

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

What this page shows

Of the 25 individual permits in Pierce County, 84.0% have a violation on file, and OCCIDENTAL CHEMICAL CORP is among them. The Hylebos Creek-Frontal Commencement Bay subwatershed holds 166 NPDES permits, and 61.9% of all 21 Pierce County individual permits, including this one, were issued before this Tacoma permit.