Clean Water Act discharge permit · NPDES TXR1579PD

EAST CENTRAL SUD - USDA WATER SYSTEM IMPROVEMENTS, San Antonio, TX: NPDES TXR1579PD discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

EAST CENTRAL SUD - USDA WATER SYSTEM IMPROVEMENTS, held by Qro Mex Construction Company, Inc., holds NPDES permit TXR1579PD, which discharges to Chupaderas Creek. EPA’s file records it issued November 29, 2023 and expiring March 4, 2028. 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 EAST CENTRAL SUD - USDA WATER SYSTEM IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in San Antonio, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1579PD.

Identity

Facility as filed	EAST CENTRAL SUD - USDA WATER SYSTEM IMPROVEMENTS
Permittee as filed	Qro Mex Construction Company, Inc.
NPDES ID	TXR1579PD
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	November 29, 2023
Expiration date	March 4, 2028
Address	San Antonio, TX 78237
Receiving water	CHUPADERAS CREEK
Subwatershed	Upper Calaveras Creek (HUC 121003010302)

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

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR1579PD.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES TXR1579PD.

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, TXR1579PD.

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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 TXR1579PD there.

Nearby on the register

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

The EAST CENTRAL SUD - USDA WATER SYSTEM IMPROVEMENTS permit is one of 1,788 storm water construction permits on EPA's NPDES register in Bexar County, this one included, and it sits within a subwatershed that holds 118 NPDES permits, this one included. Of all 1,787 storm water construction permits in Bexar County, this one included, 8.5% carry an earlier issue date than this permit, and 0.2% of the 1,788 Bexar County storm water construction permits have a violation on file, while this permit itself has none of the pollutants recorded under a numeric limit or with an effluent exceedance.