Clean Water Act discharge permit · NPDES TX0139301
MONTGOMERY COUNTY MUD 144 WWTP, Conroe, TX: NPDES TX0139301 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MONTGOMERY COUNTY MUD 144 WWTP, held by MONTGOMERY COUNTY MUD NO 144, holds NPDES permit TX0139301, which discharges to Man Made Channel,Lake Creek,San Jacinto Rvr Basin. EPA’s file records it issued March 11, 2020 and expiring March 11, 2025. 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 | MONTGOMERY COUNTY MUD 144 WWTP |
|---|---|
| Permittee as filed | MONTGOMERY COUNTY MUD NO 144 |
| NPDES ID | TX0139301 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | March 11, 2020 |
| Expiration date | March 11, 2025 |
| Address | Conroe, TX 77384 |
| Receiving water | MAN MADE CHANNEL,LAKE CREEK,SAN JACINTO RVR BASIN |
| Subwatershed | Mound Creek-Lake Creek (HUC 120401010308) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 8With a violation of any kind
- 2With 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] | 3 | 7 | 4 | February 28, 2025 | 333% over the limit |
| Chlorine, total residual | 2 | 4 | 2 | May 31, 2024 | 30% over the limit |
| Solids, total suspended | 3 | 3 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 3 | 3 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 8, 2025 | 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 TX0139301 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.