Clean Water Act discharge permit · NPDES TX0103781
SHERIDAN WWTP, Sheridan, TX: NPDES TX0103781 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
SHERIDAN WWTP, held by SHERIDAN WATER SUPPLY CORPORATION, holds NPDES permit TX0103781, which discharges to Ditch;Unnamed Trib Of Mid Sandy Crk;Sandy Crk. EPA’s file records it issued November 4, 2019 and expiring November 4, 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 | SHERIDAN WWTP |
|---|---|
| Permittee as filed | SHERIDAN WATER SUPPLY CORPORATION |
| NPDES ID | TX0103781 |
| 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 | November 4, 2019 |
| Expiration date | November 4, 2024 |
| Address | Sheridan, TX 77475 |
| Receiving water | DITCH;UNNAMED TRIB OF MID SANDY CRK;SANDY CRK |
| Subwatershed | Upper Sandy Creek (HUC 121001020303) |
| 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
- 38Pollutants on file
- 38Under a numeric limit
- 37With a violation of any kind
- 8With 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 | 171 | 49 | November 30, 2022 | 3,300% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 163 | 31 | September 30, 2020 | 620% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 119 | 26 | July 31, 2024 | 771,900% over the limit |
| E. coli | 2 | 35 | 13 | May 31, 2023 | 1,820% over the limit |
| Oxygen, dissolved [DO] | 1 | 52 | 8 | June 30, 2019 | 90% over the limit |
| Nitrogen, ammonia total [as N] | 3 | 6 | 6 | June 30, 2026 | 87% over the limit |
| Chlorine, total residual | 2 | 99 | 5 | January 31, 2019 | 100% over the limit |
| pH | 3 | 93 | 2 | June 30, 2008 | |
| Arsenic, dry weight | 5 | 15 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 15 | 0 | ||
| Selenium, dry weight | 3 | 9 | 0 | ||
| Copper, dry weight | 3 | 9 | 0 | ||
| Cadmium, dry weight | 3 | 9 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 9 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 9 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 9 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 9 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 9 | 0 | ||
| Nickel, total [as Ni] | 2 | 6 | 0 | ||
| Level of pathogen requirements achieved | 2 | 6 | 0 | ||
| Description of pathogen option used | 2 | 6 | 0 | ||
| Vector attraction reduction alternative used | 2 | 6 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 6 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 5 | 0 | ||
| Annual amt of sludge incinerated | 1 | 5 | 0 | ||
| Annual sludge production, total | 1 | 5 | 0 | ||
| Annual amount of sludge land applied | 1 | 5 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 5 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 4 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 4 | 0 | ||
| Annual amt sludge transported interstate | 1 | 4 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 4 | 0 | ||
| Fecal coliform | 1 | 3 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 3 | 0 | ||
| Boundary areas | 1 | 3 | 0 | ||
| Salmonella | 1 | 3 | 0 | ||
| Pollutant table from 503.13 | 1 | 3 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 1, 2023 | PR: Biosolids - Land Application: Invalid Monitoring or Unrepresentative Sample Violation (002 - Total Nitrogen (TKN plus Nitrate-Nitrite) - Average) | ST6 |
| November 10, 2022 | Permit Violations - Violation Specified in Comment | ST6 |
| October 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.