NPDES TX0116661 · Clean Water Act
KOPPERL ISD WWTP, Kopperl, TX: NPDES TX0116661 discharge permit, effluent exceedances, inspections, penalties
KOPPERL ISD WWTP, Kopperl, Texas: Individual permit TX0116661, held by KOPPERL ISD; Publicly owned treatment works; Effective; issued August 2, 2019, term to August 2, 2024; discharges to PLOWMAN CREEK, WHITNEY LAKE.
1 of the 37 pollutants listed for NPDES TX0116661 have no violation or effluent exceedance.
- Solids, total suspended: 3 limits, 58 violations of any kind, 46 effluent exceedances, latest May 31, 2025, largest 544% over the limit.
- BOD, 5-day, 20 deg. C: 3 limits, 43 violations of any kind, 34 effluent exceedances, latest May 31, 2025, largest 381% over the limit.
- Oxygen, dissolved [DO]: 1 limit, 27 violations of any kind, 23 effluent exceedances, latest June 30, 2025, largest 100% over the limit.
- Chlorine, total residual: 2 limits, 25 violations of any kind, 17 effluent exceedances, latest August 31, 2020, largest 100% over the limit.
- pH: 3 limits, 15 violations of any kind, 7 effluent exceedances, latest November 30, 2023.
- E. coli: 2 limits, 8 violations of any kind, 6 effluent exceedances, latest August 31, 2025, largest 1,821% over the limit.
- Flow, in conduit or thru treatment plant: 2 limits, 16 violations of any kind, 5 effluent exceedances, latest January 31, 2018, largest 87% over the limit.
- Arsenic, dry weight: 5 limits, 13 violations of any kind.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 13 violations of any kind.
- Selenium, dry weight: 3 limits, 9 violations of any kind.
- Copper, dry weight: 3 limits, 9 violations of any kind.
- Cadmium, dry weight: 3 limits, 9 violations of any kind.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 9 violations of any kind.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 9 violations of any kind.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 9 violations of any kind.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 9 violations of any kind.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 9 violations of any kind.
- Toxicity characteristic leaching procedure: 1 limit, 7 violations of any kind.
- Level of pathogen requirements achieved: 2 limits, 5 violations of any kind.
- Description of pathogen option used: 2 limits, 5 violations of any kind.
- Vector attraction reduction alternative used: 2 limits, 5 violations of any kind.
- Polychlorinated biphenyls [PCBs]: 1 limit, 5 violations of any kind.
- Annual amount of sludge land applied: 1 limit, 5 violations of any kind.
- Nickel, total [as Ni]: 2 limits, 4 violations of any kind.
- Ann. amt sludge disposed by other method: 1 limit, 4 violations of any kind.
- Annual amt of sludge incinerated: 1 limit, 4 violations of any kind.
- Annual sludge production, total: 1 limit, 4 violations of any kind.
- Annual amt. sludge disposed surface unit: 1 limit, 4 violations of any kind.
- Annual amt sludge disposed in landfill: 1 limit, 4 violations of any kind.
- Annual amt sludge transported interstate: 1 limit, 4 violations of any kind.
- Compliance w/part 258 sludge requirement: 1 limit, 4 violations of any kind.
- Fecal coliform: 1 limit, 3 violations of any kind.
- Salmonella: 1 limit, 3 violations of any kind.
- Pollutant table from 503.13: 1 limit, 3 violations of any kind.
- Unit w/liner/leachate collection system: 1 limit, 2 violations of any kind.
- Boundary areas: 1 limit, 2 violations of any kind.
- Annual whole sludge application rate: 1 limit.
- October 13, 2021: Permit Violations - Violation Specified in Comment (ST6).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 1,157 were issued before TX0116661.
Coverages issued nearest TX0116661
- 2019-07-30: RANSOM CANYON WWTP, Lubbock County: TX0075809, held by RANSOM CANYON, TOWN OF
- 2019-07-30: MARTINSVILLE ISD WWTP, Nacogdoches: TX0118354, held by MARTINSVILLE ISD
- 2019-07-30: SIERRA VISTA WEST WWTP, Iowa Colony: TX0138665, held by IOWA COLONY, CITY OF
- 2019-07-31: CITY OF WEST WWTP, West: TX0020451, held by WEST, CITY OF
- 2019-07-31: CITY OF ROSENBERG WWTP 3, Rosenberg: TX0125512, held by ROSENBERG, CITY OF
- 2019-08-06: COTTON BAYOU WWTP, Mont Belvieu: TX0053317, held by CITY OF MONT BELVIEU
- 2019-08-09: CITY OF HEMPSTEAD WWTP, Hempstead: TX0023809, held by HEMPSTEAD, CITY OF
- 2019-08-09: TDCJ CLEMENS UNIT WWTP, Brazoria: TX0031569, held by TEXAS DEPARTMENT OF CRIMINAL JUSTICE
- 2019-08-09: CANEY CREEK MUD OF MATAGORDA COUNTY WWTP, Sargent: TX0122483, held by CANEY CREEK MUD OF MATAGORDA COUNTY
- 2019-08-09: CITY OF WALNUT SPRINGS WWTP, Walnut Springs: TX0128945, held by WALNUT SPRINGS, CITY OF
KOPPERL ISD WWTP among its neighbors
3 discharge permits are in the Mesquite Creek-Brazos River subwatershed (HUC 120602020401); TX0116661 is one. Its county: 25, 0 major; TX0116661 is minor permit.
Other permits in the Mesquite Creek-Brazos River subwatershed (HUC 120602020401)
- ERATH COUNTY OIT, Stephenville: TXR05FB37, minor, term to 2026-08-13
- MILLS CRUSHED STONE STEPHENVILLE, Stephenville: TXR05AI60, minor, term to 2026-08-13
Identity
| Facility | KOPPERL ISD WWTP |
|---|---|
| Permittee | KOPPERL ISD |
| NPDES ID | TX0116661 |
| Status | Effective |
| Type | Individual permit |
| Class | Minor |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | August 2, 2019 |
| Expires | August 2, 2024 |
| Address | Kopperl, TX 76652 |
| Receiving water | PLOWMAN CREEK, WHITNEY LAKE |
| Subwatershed | Mesquite Creek-Brazos River (HUC 120602020401) |
| SIC | 8211 – Elementary And Secondary Schools |
NPDES TX0116661: effluent limits and exceedances
KOPPERL ISD WWTP (NPDES TX0116661): 37 pollutants on file, 37 limited; 36 with a violation of any kind, 7 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, 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 |
NPDES TX0116661: inspections, violations and enforcement
NPDES TX0116661: 1 single-event violation
| Date | What EPA recorded | Agency |
|---|---|---|
| October 13, 2021 | Permit Violations - Violation Specified in Comment | ST6 |
NPDES TX0116661 (KOPPERL ISD WWTP): no inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES TX0116661
NPDES TX0116661: one email when its EPA record changes — $99/month.
Permits near NPDES TX0116661
NPDES TX0116661: 37 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.