Clean Water Act discharge permit · NPDES TXR1534RV
SAN MARCOS TO STRAHAN T230 AND REDWOOD TO SAN MARCOS T200, San Marcos, TX: NPDES TXR1534RV discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SAN MARCOS TO STRAHAN T230 AND REDWOOD TO SAN MARCOS T200, held by Irby Construction Company, holds NPDES permit TXR1534RV, which discharges to Willow Springs Creek. EPA’s file records it issued August 16, 2024 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 SAN MARCOS TO STRAHAN T230 AND REDWOOD TO SAN MARCOS T200: its NPDES ID, its permit type and status, its dates, its address in San Marcos, Texas, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TXR1534RV.
Identity
| Facility as filed | SAN MARCOS TO STRAHAN T230 AND REDWOOD TO SAN MARCOS T200 |
|---|---|
| Permittee as filed | Irby Construction Company |
| NPDES ID | TXR1534RV |
| 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 | August 16, 2024 |
| Expiration date | March 4, 2028 |
| Address | San Marcos, TX 78666 |
| Receiving water | WILLOW SPRINGS CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Purgatory Creek-San Marcos River (HUC 121002030302) |
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 TXR1534RV.
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 TXR1534RV.
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, TXR1534RV.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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 TXR1534RV there.
Nearby on the register
- Discharge permits in San Marcos
- Every permit record in San Marcos, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.