Clean Water Act discharge permit · NPDES TX0124311
THREE OAKS MINE WWTP, Elgin, TX: NPDES TX0124311 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
THREE OAKS MINE WWTP, held by LUMINANT MINING COMPANY LLC, holds NPDES permit TX0124311, which discharges to Willow Ck;Mine Ck;Middle Yegua Ck;Unnamed Trib Wil. EPA’s file records it issued October 30, 2019 and expiring October 30, 2024. 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 | THREE OAKS MINE WWTP |
|---|---|
| Permittee as filed | LUMINANT MINING COMPANY LLC |
| NPDES ID | TX0124311 |
| 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 | October 30, 2019 |
| Expiration date | October 30, 2024 |
| Address | Elgin, TX 78621 |
| Receiving water | WILLOW CK;MINE CK;MIDDLE YEGUA CK;UNNAMED TRIB WIL |
| Subwatershed | Mine Creek-Middle Yegua Creek (HUC 120701020102) |
| SIC | 1221 – Bituminous Coal And Lignite - Surface |
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
- 4Under a numeric limit
- 8With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| pH | 8 | 34 | 0 | ||
| Flow, in conduit or thru treatment plant | 8 | 34 | 0 | ||
| Solids, total suspended | 8 | 22 | 0 | ||
| Iron, total [as Fe] | 8 | 22 | 0 | ||
| Chloride [as Cl] | 0 | 16 | 0 | ||
| Sulfate, total [as SO4] | 0 | 16 | 0 | ||
| Solids, total dissolved | 0 | 16 | 0 | ||
| Solids, settleable | 0 | 7 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TX0124311.
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 TX0124311.
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 TX0124311 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.