Clean Water Act discharge permit · NPDES TX0026662
MADISONVILLE WWTP, Madisonville, TX: NPDES TX0026662 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MADISONVILLE WWTP, held by MADISONVILLE, CITY OF, holds NPDES permit TX0026662, which discharges to Town Branch;Caney Ck;Badias Ck;Lake Livingston. EPA’s file records it issued June 29, 2017 and expiring February 1, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MADISONVILLE WWTP |
|---|---|
| Permittee as filed | MADISONVILLE, CITY OF |
| NPDES ID | TX0026662 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 29, 2017 |
| Expiration date | February 1, 2022 |
| Address | Madisonville, TX 77864 |
| Receiving water | TOWN BRANCH;CANEY CK;BADIAS CK;LAKE LIVINGSTON |
| Subwatershed | Ferry Branch-Caney Creek (HUC 120302020408) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 37With a violation of any kind
- 5With 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 | 86 | 39 | May 31, 2011 | 630% over the limit |
| E. coli | 2 | 32 | 26 | August 31, 2023 | 514% over the limit |
| Solids, total suspended | 3 | 95 | 17 | December 31, 2022 | 82% over the limit |
| Chlorine, total residual | 2 | 58 | 4 | January 31, 2026 | 100% over the limit |
| pH | 3 | 58 | 3 | December 31, 2012 | |
| BOD, carbonaceous [5 day, 20 C] | 3 | 84 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 56 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 27 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 8 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 5 | 0 | ||
| Annual amt of sludge incinerated | 1 | 5 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 5 | 0 | ||
| Annual amt sludge transported interstate | 1 | 5 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 3 | 0 | ||
| Level of pathogen requirements achieved | 2 | 3 | 0 | ||
| Description of pathogen option used | 2 | 3 | 0 | ||
| Vector attraction reduction alternative used | 2 | 3 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 3 | 0 | ||
| Annual sludge production, total | 1 | 3 | 0 | ||
| Annual amount of sludge land applied | 1 | 3 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 3 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 2 | 0 | ||
| Pollutant table from 503.13 | 1 | 2 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 0 | ||
| Boundary areas | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 30, 2026 | Permit Violations - Violation Specified in Comment | ST6 |
| March 17, 2021 | 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TX0026662.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 TX0026662 there.
Nearby on the register
- Discharge permits in Madisonville
- Every permit record in Madisonville, A to Z
- Discharge permits in Texas
- Every permit record in Texas, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.