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Clean Water Act discharge permit · NPDES CAZ513951

STUD WELDING SYSTEMS, Industry, CA: NPDES CAZ513951 discharge permit, effluent exceedances, inspections, penalties

STUD WELDING SYSTEMS, held by AirPixel Technologies Inc, holds NPDES permit CAZ513951. EPA’s file records it issued December 6, 2019 and expiring June 30, 2020. 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.

What the register holds for STUD WELDING SYSTEMS: its NPDES ID, its permit type and status, its dates, its address in Industry, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ513951.

Identity

Facility as filedSTUD WELDING SYSTEMS
Permittee as filedAirPixel Technologies Inc
NPDES IDCAZ513951
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
IssuedDecember 6, 2019
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressIndustry, CA 91745
Receiving water impaired303(D) Listed
SubwatershedLower San Jose Creek (HUC 180701060502)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CAZ513951.

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 CAZ513951.

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 CAZ513951 there.

Nearby on the register

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

What this page shows

The STUD WELDING SYSTEMS storm water industrial permit (CAZ513951) in Industry, Los Angeles County, California, is one of 180 such permits in the county, and it was issued earlier than 92.1% of the 140 storm water industrial permits in Los Angeles County, this one included. The permit, filed to AirPixel Technologies Inc and now administratively continued, is also one of 17 NPDES permits in the Lower San Jose Creek subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on record.