Clean Water Act discharge permit · NPDES TX0087726
HENRY W. PIRKEY POWER PLANT, Hallsville, TX: NPDES TX0087726 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 25Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
- 6Inspections on file
- 0Formal enforcement actions
HENRY W. PIRKEY POWER PLANT, held by SOUTHWESTERN ELECTRIC POWER CO, holds NPDES permit TX0087726, which discharges to Brandy Branch Reservoir, Brandy Bra. EPA’s file records it issued June 29, 2017 and expiring April 1, 2021. 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.
Identity
| Facility as filed | HENRY W. PIRKEY POWER PLANT |
|---|---|
| Permittee as filed | SOUTHWESTERN ELECTRIC POWER CO |
| NPDES ID | TX0087726 |
| 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 | June 29, 2017 |
| Expiration date | April 1, 2021 |
| Address | Hallsville, TX 75650 |
| Receiving water | BRANDY BRANCH RESERVOIR, BRANDY BRA |
| Subwatershed | Hatley Creek (HUC 120100020607) |
| Other EPA IDs (FRS) | RCRA handler TXD000726380; ICIS-AIR source TX0000004820300022 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 27Pollutants on file
- 25Under a numeric limit
- 21With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Selenium, total [as Se] | 5 | 11 | 4 | May 31, 2016 | 233% over the limit |
| Solids, total suspended | 11 | 14 | 1 | June 30, 2025 | 2% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 11 | 1 | February 28, 2006 | 5% over the limit |
| pH | 12 | 14 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 12 | 0 | ||
| Oil & Grease | 7 | 11 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 4 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 4 | 0 | ||
| Chlorine, total residual | 4 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 4 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 3 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 3 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 2 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 2 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 2 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 2 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 4 | 2 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 4 | 2 | 0 | ||
| Copper, total [as Cu] | 0 | 2 | 0 | ||
| Iron, total [as Fe] | 0 | 2 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 0 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 4 | 0 | 0 | ||
| E. coli | 3 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 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 TX0087726.
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| October 1, 2026 | Follow-Up | S |
| August 18, 2026 | Follow-Up | S |
| July 23, 2026 | Follow-Up | S |
| June 8, 2026 | Follow-Up | S |
| June 4, 2026 | Follow-Up | S |
| June 4, 2026 | Follow-Up | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES TX0087726.
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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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 TX0087726 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.