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Clean Water Act discharge permit · NPDES CAZ464616

ASTRO CONVERTERS, San Marcos, CA: NPDES CAZ464616 discharge permit, effluent exceedances, inspections, penalties

ASTRO CONVERTERS, held by Astro Converters Incorporated, holds NPDES permit CAZ464616. EPA’s file records it issued November 3, 2015 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 ASTRO CONVERTERS: its NPDES ID, its permit type and status, its dates, its address in San Marcos, California. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES CAZ464616.

Identity

Facility as filedASTRO CONVERTERS
Permittee as filedAstro Converters Incorporated
NPDES IDCAZ464616
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
IssuedNovember 3, 2015
Expiration dateJune 30, 2020
Issuing agencyCA Waterboards
AddressSan Marcos, CA 92069
Receiving water impaired303(D) Listed
SubwatershedSan Marcos Creek (HUC 180703030503)

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 CAZ464616.

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 CAZ464616.

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 CAZ464616 there.

Nearby on the register

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

What this page shows

ASTRO CONVERTERS is one of 5 storm water industrial permits on EPA's NPDES register in San Marcos, California, and it is one of 15 NPDES permits in the San Marcos Creek subwatershed. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, and 0.0% of those 5 San Marcos storm water industrial permits have a violation on file.