Clean Water Act discharge permit · NPDES TX0072591
OYSTER CREEK WWTP, Oyster Creek, TX: NPDES TX0072591 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 37Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
OYSTER CREEK WWTP, held by OYSTER CREEK, CITY OF, holds NPDES permit TX0072591, which discharges to E Union Bayou;Intracoastal Waterway;Old Brazos Riv. EPA’s file records it issued November 13, 2018 and expiring November 13, 2023. 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 | OYSTER CREEK WWTP |
|---|---|
| Permittee as filed | OYSTER CREEK, CITY OF |
| NPDES ID | TX0072591 |
| 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 | November 13, 2018 |
| Expiration date | November 13, 2023 |
| Address | Oyster Creek, TX 77541 |
| Receiving water | E UNION BAYOU;INTRACOASTAL WATERWAY;OLD BRAZOS RIV |
| 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
- 37Pollutants on file
- 37Under a numeric limit
- 36With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 2 | 7 | 7 | October 31, 2023 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 7 | 4 | December 31, 2024 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 7 | 3 | September 30, 2024 | 30% over the limit |
| Solids, total suspended | 3 | 6 | 3 | December 31, 2014 | 19% over the limit |
| Arsenic, dry weight | 5 | 30 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 30 | 0 | ||
| pH | 3 | 26 | 0 | ||
| Selenium, dry weight | 3 | 18 | 0 | ||
| Copper, dry weight | 3 | 18 | 0 | ||
| Cadmium, dry weight | 3 | 18 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 18 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 18 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 18 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 18 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 18 | 0 | ||
| Nickel, total [as Ni] | 2 | 12 | 0 | ||
| Level of pathogen requirements achieved | 2 | 12 | 0 | ||
| Description of pathogen option used | 2 | 12 | 0 | ||
| Vector attraction reduction alternative used | 2 | 12 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 7 | 0 | ||
| Fecal coliform | 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 | ||
| Unit w/liner/leachate collection system | 1 | 6 | 0 | ||
| Boundary areas | 1 | 6 | 0 | ||
| Salmonella | 1 | 6 | 0 | ||
| Pollutant table from 503.13 | 1 | 6 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 5 | 0 | ||
| Chlorine, total residual | 2 | 4 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 7, 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.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.