Clean Water Act discharge permit · NPDES TX0122980
COTTONWOOD ENERGY PROJECT, Deweyville, TX: NPDES TX0122980 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
COTTONWOOD ENERGY PROJECT, held by COTTONWOOD ENERGY CO. L.P., holds NPDES permit TX0122980, which discharges to Via Pipeline To Swift Slough;Sabine River Above Ti. EPA’s file records it issued April 13, 2016 and expiring April 1, 2021. 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 | COTTONWOOD ENERGY PROJECT |
|---|---|
| Permittee as filed | COTTONWOOD ENERGY CO. L.P. |
| NPDES ID | TX0122980 |
| 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 | April 13, 2016 |
| Expiration date | April 1, 2021 |
| Address | Deweyville, TX 77632 |
| Receiving water | VIA PIPELINE TO SWIFT SLOUGH;SABINE RIVER ABOVE TI |
| Subwatershed | Black Bayou-Sabine River (HUC 120100051100) |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler TXR000048165; ICIS-AIR source TX0000004835100011 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 16Pollutants on file
- 15Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 16 | 11 | March 31, 2011 | 90% over the limit |
| Oil & Grease | 2 | 11 | 3 | June 30, 2011 | 321% over the limit |
| Solids, total suspended | 2 | 19 | 2 | February 29, 2012 | 132% over the limit |
| Chlorine, free available | 2 | 12 | 2 | November 30, 2004 | 260% over the limit |
| pH | 2 | 10 | 1 | April 30, 2017 | |
| Arsenic, total [as As] | 1 | 32 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 26 | 0 | ||
| Solids, total dissolved | 1 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| Sulfate, total [as SO4] | 1 | 8 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 8 | 0 | ||
| Chloride [as Cl] | 1 | 6 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 1 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 1 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 1 | 0 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 16, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| November 16, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| June 30, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| May 16, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
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.
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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 TX0122980 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.