Clean Water Act discharge permit · NPDES TX0116661
KOPPERL ISD WWTP, Kopperl, TX: NPDES TX0116661 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 37Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
KOPPERL ISD WWTP, held by KOPPERL ISD, holds NPDES permit TX0116661, which discharges to Plowman Creek, Whitney Lake. EPA’s file records it issued August 2, 2019 and expiring August 2, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | KOPPERL ISD WWTP |
|---|---|
| Permittee as filed | KOPPERL ISD |
| NPDES ID | TX0116661 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 2, 2019 |
| Expiration date | August 2, 2024 |
| Address | Kopperl, TX 76652 |
| Receiving water | PLOWMAN CREEK, WHITNEY LAKE |
| Subwatershed | Mesquite Creek-Brazos River (HUC 120602020401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 37Pollutants on file
- 37Under 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 | 58 | 46 | May 31, 2025 | 544% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 43 | 34 | May 31, 2025 | 381% over the limit |
| Oxygen, dissolved [DO] | 1 | 27 | 23 | June 30, 2025 | 100% over the limit |
| Chlorine, total residual | 2 | 25 | 17 | August 31, 2020 | 100% over the limit |
| pH | 3 | 15 | 7 | November 30, 2023 | |
| E. coli | 2 | 8 | 6 | August 31, 2025 | 1,821% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 16 | 5 | January 31, 2018 | 87% over the limit |
| Arsenic, dry weight | 5 | 13 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 13 | 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 | ||
| Toxicity characteristic leaching procedure | 1 | 7 | 0 | ||
| Level of pathogen requirements achieved | 2 | 5 | 0 | ||
| Description of pathogen option used | 2 | 5 | 0 | ||
| Vector attraction reduction alternative used | 2 | 5 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 5 | 0 | ||
| Annual amount of sludge land applied | 1 | 5 | 0 | ||
| Nickel, total [as Ni] | 2 | 4 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 4 | 0 | ||
| Annual amt of sludge incinerated | 1 | 4 | 0 | ||
| Annual sludge production, total | 1 | 4 | 0 | ||
| Annual amt. sludge disposed surface unit | 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 | ||
| Salmonella | 1 | 3 | 0 | ||
| Pollutant table from 503.13 | 1 | 3 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 2 | 0 | ||
| Boundary areas | 1 | 2 | 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 |
|---|---|---|
| October 13, 2021 | 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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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 TX0116661 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.