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Clean Water Act discharge permit · NPDES CAZ480532

RFP WELDING, Simi Valley, CA: NPDES CAZ480532 discharge permit, effluent exceedances, inspections, penalties

RFP WELDING, held by RFP Welding, holds NPDES permit CAZ480532. EPA’s file records it issued December 6, 2016 and expiring June 30, 2020. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for RFP WELDING: its NPDES ID, its permit type and status, its dates, its address in Simi Valley, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ480532.

Identity

Facility as filedRFP WELDING
Permittee as filedRFP Welding
NPDES IDCAZ480532
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, 2016
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressSimi Valley, CA 93065
Receiving water impaired303(D) Listed
SubwatershedLower Simi Arroyo (HUC 180701030102)
SIC3444 – Sheet Metal Work

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES CAZ480532.

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 CAZ480532.

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.

Watch this permit

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How we handle your data → Privacy

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 CAZ480532 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

RFP Welding in Simi Valley, California, is one of 4 storm water industrial permits on EPA's NPDES register in that city, this one included. The permit, NPDES ID CAZ480532, sits among 6 NPDES permits in the Lower Simi Arroyo subwatershed, this one included. It records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.