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Clean Water Act discharge permit · NPDES TXRNECD22

CORVAC COMPOSITES, San Marcos, TX: NPDES TXRNECD22 discharge permit, effluent exceedances, inspections, penalties

CORVAC COMPOSITES, held by Corvac Composites LLC, holds NPDES permit TXRNECD22. EPA’s file records it issued June 19, 2023 and expiring August 13, 2026. 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 CORVAC COMPOSITES: its NPDES ID, its permit type and status, its dates, its address in San Marcos, Texas. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXRNECD22.

Identity

Facility as filedCORVAC COMPOSITES
Permittee as filedCorvac Composites LLC
NPDES IDTXRNECD22
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 19, 2023
Expiration dateAugust 13, 2026
AddressSan Marcos, TX 78666
SubwatershedRedwood Cemetery-Cottonwood Creek (HUC 121002030305)

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 TXRNECD22.

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 TXRNECD22.

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

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, TXRNECD22.

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  • One permit holder — $99/month
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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 TXRNECD22 there.

Nearby on the register

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

What this page shows

CORVAC COMPOSITES is one of 7 storm water industrial permits in San Marcos, and 85.7% of those 7 permits, this one included, carry an earlier issue date than this permit. The permit sits within the Redwood Cemetery-Cottonwood Creek subwatershed, which holds 41 NPDES permits, this one included. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 14.3% of the San Marcos storm water industrial permits have a violation on file.