Clean Water Act discharge permit · NPDES TX0074047
TURNING BASIN WWTP, Brownsville, TX: NPDES TX0074047 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
TURNING BASIN WWTP, held by BROWNSVILLE NAVIGATION DISTRICT, holds NPDES permit TX0074047, which discharges to Brownsville Ship Channel. EPA’s file records it issued May 19, 2021 and expiring May 19, 2026. 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 | TURNING BASIN WWTP |
|---|---|
| Permittee as filed | BROWNSVILLE NAVIGATION DISTRICT |
| NPDES ID | TX0074047 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | May 19, 2021 |
| Expiration date | May 19, 2026 |
| Address | Brownsville, TX 78521 |
| Receiving water | Brownsville Ship Channel |
| Subwatershed | Bahia Grande-Brownsville Ship Channel (HUC 121102080900) |
| 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
- 36Pollutants on file
- 7Under a numeric limit
- 36With a violation of any kind
- 7With 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 | 3 | 48 | 9 | July 31, 2025 | 62% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 30 | 7 | May 31, 2021 | 360% over the limit |
| Chlorine, total residual | 2 | 29 | 5 | June 30, 2024 | 120% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 43 | 3 | June 30, 2017 | 128% over the limit |
| E. coli | 2 | 22 | 2 | October 31, 2019 | 1,820% over the limit |
| pH | 2 | 33 | 1 | December 31, 2004 | |
| Oxygen, dissolved [DO] | 1 | 12 | 1 | October 31, 2024 | 10% over the limit |
| Arsenic, dry weight | 0 | 30 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 30 | 0 | ||
| Selenium, dry weight | 0 | 18 | 0 | ||
| Copper, dry weight | 0 | 18 | 0 | ||
| Cadmium, dry weight | 0 | 18 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 18 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 18 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 18 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 18 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 18 | 0 | ||
| Nickel, total [as Ni] | 0 | 12 | 0 | ||
| Level of pathogen requirements achieved | 0 | 12 | 0 | ||
| Description of pathogen option used | 0 | 12 | 0 | ||
| Vector attraction reduction alternative used | 0 | 12 | 0 | ||
| Fecal coliform | 0 | 7 | 0 | ||
| Salmonella | 0 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 6 | 0 | ||
| Toxicity characteristic leaching procedure | 0 | 6 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 6 | 0 | ||
| Annual amt of sludge incinerated | 0 | 6 | 0 | ||
| Annual sludge production, total | 0 | 6 | 0 | ||
| Annual amount of sludge land applied | 0 | 6 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 6 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 6 | 0 | ||
| Annual amt sludge transported interstate | 0 | 6 | 0 | ||
| Unit w/liner/leachate collection system | 0 | 6 | 0 | ||
| Compliance w/part 258 sludge requirement | 0 | 6 | 0 | ||
| Boundary areas | 0 | 6 | 0 | ||
| Pollutant table from 503.13 | 0 | 6 | 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 |
|---|---|---|
| February 3, 2026 | 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 TX0074047 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.