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Clean Water Act discharge permit · NPDES CAZ509341

ANVIL CASES, Covina, CA: NPDES CAZ509341 discharge permit, effluent exceedances, inspections, penalties

ANVIL CASES, held by Anvil Cases, holds NPDES permit CAZ509341. EPA’s file records it issued June 4, 2019 and expiring June 30, 2020.

ANVIL CASES, Covina, California: Coverage under a general permit CAZ509341, held by Anvil Cases; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued June 4, 2019, term to June 30, 2020, by CA Waterboards.

California holds 1,513 Industrial stormwater coverages of this permit type in EPA’s file; 1,013 were issued before CAZ509341.

Coverages issued nearest CAZ509341

ANVIL CASES among its neighbors

EPA’s permit file holds 14 discharge permits in the Big Dalton Wash subwatershed (HUC 180701060402), CAZ509341 among them. Its county holds 336, 11 of them major permits; CAZ509341 is a minor permit.

Other permits in the Big Dalton Wash subwatershed (HUC 180701060402)

What the register holds for ANVIL CASES: its NPDES ID, its permit type and status, its dates, its address in Covina, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ509341.

Identity

Facility as filedANVIL CASES
Permittee as filedAnvil Cases
NPDES IDCAZ509341
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
ProgramIndustrial stormwater
IssuedJune 4, 2019
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressCovina, CA 91724
SubwatershedBig Dalton Wash (HUC 180701060402)
Other EPA IDs (FRS)RCRA handler CAL000444823

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CAZ509341.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES CAZ509341.

Inspections

EPA’s inspection file holds no inspection for NPDES CAZ509341.

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 CAZ509341.

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, CAZ509341.

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Nearby on the register

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

What this page shows

84.3% of the 140 storm water industrial permits in Los Angeles County, this permit included, were issued earlier than ANVIL CASES' permit. The Big Dalton Wash subwatershed (HUC 180701060402) has 14 NPDES permits on the register. Los Angeles County lists 180 storm water industrial permits, and 16.1% of them carry a violation on file.