Clean Water Act discharge permit · NPDES TX0142972
PETRO CARLS CORNER WWTP, Carls Corner, TX: NPDES TX0142972 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
PETRO CARLS CORNER WWTP, held by CARLS CORNER HOLDINGS TX LLC, holds NPDES permit TX0142972, which discharges to Navarro Mills Lake. EPA’s file records it issued July 28, 2024 and expiring July 28, 2029. 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.
Identity
| Facility as filed | PETRO CARLS CORNER WWTP |
|---|---|
| Permittee as filed | CARLS CORNER HOLDINGS TX LLC |
| NPDES ID | TX0142972 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 28, 2024 |
| Expiration date | July 28, 2029 |
| Address | Carls Corner, TX 76646 |
| Receiving water | Navarro Mills Lake |
| Subwatershed | Cottonwood Creek-White Rock Creek (HUC 120301080104) |
| SIC | 5541 – Gasoline Service Stations |
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
- 8Pollutants on file
- 8Under a numeric limit
- 5With a violation of any kind
- 5With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 17 | 14 | May 31, 2026 | 677% over the limit |
| Solids, total suspended | 3 | 12 | 12 | May 31, 2026 | 257% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 10 | 10 | May 31, 2026 | 183% over the limit |
| E. coli | 2 | 4 | 4 | July 31, 2025 | 1,821% over the limit |
| pH | 2 | 1 | 1 | September 30, 2024 | |
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Chlorine, total residual | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 |
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 TX0142972.
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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- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 TX0142972 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.