Clean Water Act discharge permit · NPDES TX0075906
CITY OF O'BRIEN WWTP, O'Brien, TX: NPDES TX0075906 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 42Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
CITY OF O'BRIEN WWTP, held by O'BRIEN, CITY OF, holds NPDES permit TX0075906, which discharges to China Branch, Brazos River Above Possum Kingdom. EPA’s file records it issued June 21, 2019 and expiring June 21, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CITY OF O'BRIEN WWTP |
|---|---|
| Permittee as filed | O'BRIEN, CITY OF |
| NPDES ID | TX0075906 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 21, 2019 |
| Expiration date | June 21, 2024 |
| Address | O'Brien, TX 79539 |
| Receiving water | CHINA BRANCH, BRAZOS RIVER ABOVE POSSUM KINGDOM |
| Subwatershed | China Branch-Brazos River (HUC 120601010402) |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 43Pollutants on file
- 42Under a numeric limit
- 42With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 250 | 24 | March 31, 2011 | 85% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 357 | 18 | March 31, 2011 | 103% over the limit |
| pH | 3 | 244 | 11 | January 31, 2011 | |
| Oxygen, dissolved [DO] | 1 | 123 | 10 | October 31, 2010 | 100% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 229 | 3 | December 31, 2010 | 2,717% over the limit |
| E. coli | 2 | 46 | 0 | ||
| Arsenic, dry weight | 5 | 35 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 35 | 0 | ||
| Conductivity | 3 | 33 | 0 | ||
| Nitrogen, total [as N] | 3 | 33 | 0 | ||
| Phosphorus, total [as P] | 3 | 33 | 0 | ||
| pH, in soil | 3 | 33 | 0 | ||
| Potassium, total [as K] | 0 | 24 | 0 | ||
| Selenium, dry weight | 3 | 21 | 0 | ||
| Copper, dry weight | 3 | 21 | 0 | ||
| Cadmium, dry weight | 3 | 21 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 21 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 21 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 21 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 21 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 21 | 0 | ||
| Nickel, total [as Ni] | 2 | 14 | 0 | ||
| Level of pathogen requirements achieved | 2 | 14 | 0 | ||
| Description of pathogen option used | 2 | 14 | 0 | ||
| Vector attraction reduction alternative used | 2 | 13 | 0 | ||
| Nitrate nitrogen, dry weight | 3 | 9 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 3 | 9 | 0 | ||
| Fecal coliform | 1 | 7 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 7 | 0 | ||
| Boundary areas | 1 | 7 | 0 | ||
| Salmonella | 1 | 7 | 0 | ||
| Pollutant table from 503.13 | 1 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 6 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 6 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 6 | 0 | ||
| Annual amt of sludge incinerated | 1 | 6 | 0 | ||
| Annual sludge production, total | 1 | 6 | 0 | ||
| Annual amount of sludge land applied | 1 | 6 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 6 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 6 | 0 | ||
| Annual amt sludge transported interstate | 1 | 6 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 6 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 4, 2018 | 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.
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Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.