Clean Water Act discharge permit · NPDES TX0119601
TYNAN WWTP, Tynan, TX: NPDES TX0119601 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 37Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
TYNAN WWTP, held by TYNAN WATER SUPPLY CORPORATION, holds NPDES permit TX0119601, which discharges to Papalote Creek; Aransas River. EPA’s file records it issued March 31, 2020 and expiring March 31, 2025. 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 | TYNAN WWTP |
|---|---|
| Permittee as filed | TYNAN WATER SUPPLY CORPORATION |
| NPDES ID | TX0119601 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 31, 2020 |
| Expiration date | March 31, 2025 |
| Address | Tynan, TX 78391 |
| Receiving water | PAPALOTE CREEK; ARANSAS RIVER |
| Subwatershed | Upper Papalote Creek (HUC 121004070201) |
| 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
- 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 | 3 | 189 | 24 | November 30, 2023 | 40,382% over the limit |
| Chlorine, total residual | 2 | 135 | 24 | March 31, 2025 | 103% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 175 | 17 | October 31, 2021 | 33,426% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 116 | 6 | July 31, 2021 | 42,122% over the limit |
| Oxygen, dissolved [DO] | 1 | 56 | 1 | May 31, 2001 | 59% over the limit |
| pH | 3 | 117 | 0 | ||
| Arsenic, dry weight | 5 | 41 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 41 | 0 | ||
| Selenium, dry weight | 3 | 25 | 0 | ||
| Copper, dry weight | 3 | 25 | 0 | ||
| Cadmium, dry weight | 3 | 25 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 25 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 25 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 25 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 25 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 25 | 0 | ||
| E. coli | 2 | 18 | 0 | ||
| Nickel, total [as Ni] | 2 | 16 | 0 | ||
| Description of pathogen option used | 2 | 16 | 0 | ||
| Vector attraction reduction alternative used | 2 | 16 | 0 | ||
| Level of pathogen requirements achieved | 2 | 15 | 0 | ||
| Pollutant table from 503.13 | 1 | 9 | 0 | ||
| Annual amt of sludge incinerated | 1 | 8 | 0 | ||
| Annual sludge production, total | 1 | 8 | 0 | ||
| Annual amount of sludge land applied | 1 | 8 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 8 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 8 | 0 | ||
| Salmonella | 1 | 8 | 0 | ||
| Fecal coliform | 1 | 7 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 7 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 7 | 0 | ||
| Annual amt sludge transported interstate | 1 | 7 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 7 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 7 | 0 | ||
| Boundary areas | 1 | 7 | 0 | ||
| Toxicity characteristic leaching procedure | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 26, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| March 8, 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.
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 TX0119601 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.