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Clean Water Act discharge permit · NPDES CAZ497270

AIRGAS USA LLC, Santa Fe Springs, CA: NPDES CAZ497270 discharge permit, effluent exceedances, inspections, penalties

AIRGAS USA LLC, held by Airgas USA LLC, holds NPDES permit CAZ497270. EPA’s file records it issued May 15, 2018 and expiring June 30, 2020.

AIRGAS USA LLC, Santa Fe Springs, California: Coverage under a general permit CAZ497270, held by Airgas USA LLC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued May 15, 2018, term to June 30, 2020, by CA Waterboards.

  • April 29, 2021: WW Storm Water Non-Construction - Failure to submit required report (non-DMR) (ST6).

California holds 1,513 Industrial stormwater coverages of this permit type in EPA’s file; 923 were issued before CAZ497270.

Coverages issued nearest CAZ497270

AIRGAS USA LLC among its neighbors

EPA’s permit file holds 19 discharge permits in the La Mirada Creek subwatershed (HUC 180701060602), CAZ497270 among them.

Other permits in the La Mirada Creek subwatershed (HUC 180701060602)

Identity

Facility as filedAIRGAS USA LLC
Permittee as filedAirgas USA LLC
NPDES IDCAZ497270
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
IssuedMay 15, 2018
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressSanta Fe Springs, CA 90670
SubwatershedLa Mirada Creek (HUC 180701060602)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CAZ497270.

Inspections, violations and enforcement

DateWhat EPA recordedAgency
April 29, 2021WW Storm Water Non-Construction - Failure to submit required report (non-DMR)ST6

Inspections

EPA’s inspection file holds no inspection for NPDES CAZ497270.

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 CAZ497270.

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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 CAZ497270, held by AIRGAS USA LLC (permittee Airgas USA LLC) at Santa Fe Springs, CA, an industrial stormwater permit administratively continued after its June 30, 2020 expiration. The page lists 0 pollutants on file, 0 under a numeric limit, and 0 with an effluent exceedance.