Clean Water Act discharge permit · NPDES TX0063215
WELSH POWER PLANT, Pittsburg, TX: NPDES TX0063215 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 29Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
WELSH POWER PLANT, held by SOUTHWESTERN ELECTRIC POWER COMPANY, holds NPDES permit TX0063215, which discharges to Welsh Reservoir; Swauano Ck;Big Cypress Ck. EPA’s file records it issued July 12, 2018 and expiring July 12, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WELSH POWER PLANT |
|---|---|
| Permittee as filed | SOUTHWESTERN ELECTRIC POWER COMPANY |
| NPDES ID | TX0063215 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 12, 2018 |
| Expiration date | July 12, 2023 |
| Address | Pittsburg, TX 75686 |
| Receiving water | WELSH RESERVOIR; SWAUANO CK;BIG CYPRESS CK |
| Subwatershed | Swauano Creek (HUC 111403050304) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 29Pollutants on file
- 29Under a numeric limit
- 18With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 4 | 5 | 3 | February 28, 2021 | 99,999% over the limit |
| Solids, total suspended | 8 | 10 | 2 | March 31, 2014 | 449% over the limit |
| Iron, total [as Fe] | 2 | 2 | 2 | July 31, 2013 | 100% over the limit |
| pH | 4 | 1 | 1 | August 31, 2020 | |
| Flow, in conduit or thru treatment plant | 8 | 13 | 0 | ||
| Chlorine, free available | 4 | 7 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 6 | 0 | ||
| Whole effluent toxicity - retest #1 | 14 | 4 | 0 | ||
| Whole effluent toxicity - retest #2 | 14 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 4 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 2 | 4 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 2 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 3 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| BOD, 5-day, 20 deg. C | 12 | 0 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 8 | 0 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 8 | 0 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 8 | 0 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 8 | 0 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 8 | 0 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 8 | 0 | 0 | ||
| Oil & Grease | 4 | 0 | 0 | ||
| Selenium, total [as Se] | 4 | 0 | 0 | ||
| Sulfate, total [as SO4] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 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 TX0063215.
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, TX0063215.
Start the watch
- One permit holder — $99/month
- 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 TX0063215 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.