Clean Water Act discharge permit · NPDES TX0118451
UNION HILL ISD WWTP, Gilmer, TX: NPDES TX0118451 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
UNION HILL ISD WWTP, held by UNION HILL ISD, holds NPDES permit TX0118451, which discharges to Little Cypress Bayou (Creek). EPA’s file records it issued March 25, 2021 and expiring March 25, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | UNION HILL ISD WWTP |
|---|---|
| Permittee as filed | UNION HILL ISD |
| NPDES ID | TX0118451 |
| 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 | March 25, 2021 |
| Expiration date | March 25, 2026 |
| Address | Gilmer, TX 75644 |
| Receiving water | Little Cypress Bayou (Creek) |
| Subwatershed | Lilly Creek (HUC 111403070107) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 37Pollutants on file
- 7Under a numeric limit
- 37With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 3 | 53 | 26 | February 28, 2026 | 3,640% over the limit |
| Solids, total suspended | 3 | 48 | 21 | April 30, 2026 | 36,165% over the limit |
| E. coli | 2 | 13 | 3 | March 31, 2026 | 1,821% over the limit |
| pH | 2 | 21 | 2 | July 31, 2011 | |
| Chlorine, total residual | 2 | 21 | 1 | October 31, 2006 | 13% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 19 | 1 | April 30, 2019 | 10% over the limit |
| Oxygen, dissolved [DO] | 1 | 9 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 9 | 0 | ||
| Arsenic, dry weight | 0 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 5 | 0 | ||
| Selenium, dry weight | 0 | 3 | 0 | ||
| Copper, dry weight | 0 | 3 | 0 | ||
| Cadmium, dry weight | 0 | 3 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 3 | 0 | ||
| Annual amt sludge transported interstate | 0 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 3 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 3 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 3 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 3 | 0 | ||
| Nickel, total [as Ni] | 0 | 2 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 2 | 0 | ||
| Toxicity characteristic leaching procedure | 0 | 2 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 2 | 0 | ||
| Annual amt of sludge incinerated | 0 | 2 | 0 | ||
| Annual sludge production, total | 0 | 2 | 0 | ||
| Annual amount of sludge land applied | 0 | 2 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 2 | 0 | ||
| Level of pathogen requirements achieved | 0 | 2 | 0 | ||
| Description of pathogen option used | 0 | 2 | 0 | ||
| Vector attraction reduction alternative used | 0 | 2 | 0 | ||
| Fecal coliform | 0 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 0 | 1 | 0 | ||
| Compliance w/part 258 sludge requirement | 0 | 1 | 0 | ||
| Boundary areas | 0 | 1 | 0 | ||
| Salmonella | 0 | 1 | 0 | ||
| Pollutant table from 503.13 | 0 | 1 | 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 |
|---|---|---|
| March 5, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
| July 10, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| March 21, 2017 | Permit Violations - Violation Specified in Comment | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 September 14, 2026.