Clean Water Act discharge permit · NPDES TX0124516
HARRISON COUNTY POWER PROJECT, Marshall, TX: NPDES TX0124516 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 24Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
HARRISON COUNTY POWER PROJECT, held by ENTERGY POWER OPS US INC, holds NPDES permit TX0124516, which discharges to Pipeline To Sabine River Above Toledo Bend Resv. EPA’s file records it issued July 19, 2016 and expiring April 1, 2021. 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 | HARRISON COUNTY POWER PROJECT |
|---|---|
| Permittee as filed | ENTERGY POWER OPS US INC |
| NPDES ID | TX0124516 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 19, 2016 |
| Expiration date | April 1, 2021 |
| Address | Marshall, TX 75670 |
| Receiving water | PIPELINE TO SABINE RIVER ABOVE TOLEDO BEND RESV |
| Subwatershed | Rogers Lake-Sabine River (HUC 120100020608) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 25Pollutants on file
- 24Under a numeric limit
- 25With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 10 | 10 | March 31, 2021 | 245% over the limit |
| Solids, total suspended | 5 | 22 | 8 | March 31, 2021 | 59% over the limit |
| Iron, total [as Fe] | 2 | 6 | 6 | March 31, 2021 | 62% over the limit |
| pH | 6 | 26 | 4 | May 31, 2026 | |
| Chlorine, free available | 2 | 12 | 4 | July 31, 2003 | 1,300% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 34 | 2 | September 30, 2014 | 25% over the limit |
| Oil & Grease | 4 | 14 | 2 | August 31, 2019 | 110% over the limit |
| Oxygen, dissolved [DO] | 1 | 6 | 2 | April 30, 2009 | 24% over the limit |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 4 | 24 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 4 | 24 | 0 | ||
| LOAEC Lethal Static Renewal 48HR Acute Daphnia pulex | 4 | 22 | 0 | ||
| LOAEC Lethal Survival Static Renewal 48Hr Acute Pimephales promelas | 4 | 22 | 0 | ||
| Nitrogen, ammonia total [as N] | 4 | 20 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 4 | 20 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 4 | 20 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 16 | 0 | ||
| Coliform, fecal general | 0 | 16 | 0 | ||
| Solids, total dissolved | 2 | 10 | 0 | ||
| Flow [dry weather] | 2 | 8 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 1 | 8 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 8 | 0 | ||
| Phosphorus, total [as P] | 1 | 7 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 6 | 0 | ||
| Whole effluent toxicity - retest #1 | 7 | 2 | 0 | ||
| Whole effluent toxicity - retest #2 | 7 | 2 | 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 TX0124516.
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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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 TX0124516 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.