Clean Water Act discharge permit · NPDES TX0135241
HARRIS COUNTY MUD 319 WWTP, Hockley, TX: NPDES TX0135241 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
HARRIS COUNTY MUD 319 WWTP, held by HARRIS COUNTY MUD 319, holds NPDES permit TX0135241, which discharges to Little Cypres Creek;Cypress Creek. EPA’s file records it issued April 26, 2018 and expiring April 26, 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 | HARRIS COUNTY MUD 319 WWTP |
|---|---|
| Permittee as filed | HARRIS COUNTY MUD 319 |
| NPDES ID | TX0135241 |
| 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 |
| Program | Publicly owned treatment works |
| Issued | April 26, 2018 |
| Expiration date | April 26, 2023 |
| Address | Hockley, TX 77447 |
| Receiving water | LITTLE CYPRES CREEK;CYPRESS CREEK |
| Subwatershed | Little Cypress Creek (HUC 120401020105) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 0Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 0 | 94 | 13 | April 30, 2025 | 723% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 65 | 11 | March 31, 2025 | 27% over the limit |
| Solids, total suspended | 0 | 88 | 7 | March 31, 2025 | 239% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 0 | 81 | 0 | ||
| pH | 0 | 54 | 0 | ||
| Chlorine, total residual | 0 | 54 | 0 | ||
| E. coli | 0 | 54 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 27 | 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 TX0135241.
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 TX0135241 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.