Clean Water Act discharge permit · NPDES TX0113115
HARRIS COUNTY MUD 24 WTP 2, Houston, TX: NPDES TX0113115 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
HARRIS COUNTY MUD 24 WTP 2, held by HARRIS COUNTY MUD NO. 124, holds NPDES permit TX0113115, which discharges to Theiss Gully;Spring Gully;Cypress Creek. EPA’s file records it issued March 21, 2018 and expiring February 1, 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 24 WTP 2 |
|---|---|
| Permittee as filed | HARRIS COUNTY MUD NO. 124 |
| NPDES ID | TX0113115 |
| 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 | March 21, 2018 |
| Expiration date | February 1, 2023 |
| Address | Houston, TX 77379 |
| Receiving water | THEISS GULLY;SPRING GULLY;CYPRESS CREEK |
| Subwatershed | Marshall Lake-Cypress Creek (HUC 120401020106) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 3Pollutants on file
- 3Under a numeric limit
- 3With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 2 | 46 | 12 | October 31, 2023 | 108% over the limit |
| Solids, total suspended | 3 | 67 | 1 | January 31, 2011 | 40% over the limit |
| pH | 2 | 47 | 1 | November 30, 2022 |
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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 17, 2024 | 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.
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 TX0113115 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.