Clean Water Act discharge permit · NPDES TXR040320
BIG OAKS MUD MS4, Houston, TX: NPDES TXR040320 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BIG OAKS MUD MS4, held by Big Oaks Municipal Utility District, holds NPDES permit TXR040320, which discharges to Buffalo Bayou. EPA’s file records it issued August 24, 2023 and expiring January 23, 2024. 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 | BIG OAKS MUD MS4 |
|---|---|
| Permittee as filed | Big Oaks Municipal Utility District |
| NPDES ID | TXR040320 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Small municipal storm sewer systems |
| Issued | August 24, 2023 |
| Expiration date | January 23, 2024 |
| Issuing agency | TCEQ |
| Address | Houston, TX 77040 |
| Receiving water | BUFFALO BAYOU |
| Subwatershed | Keegans Bayou-Brays Bayou (HUC 120401040401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES TXR040320.
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 |
|---|---|---|
| July 26, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 TXR040320 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.