Clean Water Act discharge permit · NPDES TX0020036
WASKOM WWTP, Waskom, TX: NPDES TX0020036 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 38Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
WASKOM WWTP, held by WASKOM, CITY OF, holds NPDES permit TX0020036, which discharges to Cross Bayou; Cypress Creek. EPA’s file records it issued May 25, 2016 and expiring February 1, 2021.
WASKOM WWTP, Waskom, Texas: Individual permit TX0020036, held by WASKOM, CITY OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued May 25, 2016, term to February 1, 2021; discharges to CROSS BAYOU; CYPRESS CREEK.
- Nitrogen, ammonia total [as N]: 3 limits, 13 violations of any kind, 10 effluent exceedances, latest January 31, 2026, largest 169% over the limit.
- Solids, total suspended: 3 limits, 10 violations of any kind, 4 effluent exceedances, latest January 31, 2026, largest 27% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 3 limits, 4 violations of any kind, 1 effluent exceedance, latest January 31, 2026, largest 26% over the limit.
- Chlorine, total residual: 2 limits, 3 violations of any kind, 1 effluent exceedance, latest May 31, 2026, largest 20% over the limit.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 6 violations of any kind, 0 effluent exceedances.
- E. coli: 2 limits, 6 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Chromium, sludge, total, dry weight [as Cr]: 5 limits, 5 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 4 violations of any kind, 0 effluent exceedances.
- Compliance w/part 258 sludge requirement: 1 limit, 4 violations of any kind, 0 effluent exceedances.
- pH: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 3 violations of any kind, 0 effluent exceedances.
- Polychlorinated biphenyls [PCBs]: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Toxicity characteristic leaching procedure: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Ann. amt sludge disposed by other method: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt of sludge incinerated: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual sludge production, total: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amount of sludge land applied: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt. sludge disposed surface unit: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt sludge disposed in landfill: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Annual amt sludge transported interstate: 1 limit, 3 violations of any kind, 0 effluent exceedances.
- Nickel, total [as Ni]: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Level of pathogen requirements achieved: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Description of pathogen option used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Vector attraction reduction alternative used: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind, 0 effluent exceedances.
- Fecal coliform: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Unit w/liner/leachate collection system: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Boundary areas: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Salmonella: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Pollutant table from 503.13: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Annual whole sludge application rate: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- February 27, 2026: Under Review (State).
Texas holds 1,720 Publicly owned treatment works coverages of this permit type in EPA’s file; 268 were issued before TX0020036.
Coverages issued nearest TX0020036
- May 13, 2016: HOLLYWOOD ROAD WWTP, Amarillo, TX0025810, held by AMARILLO, CITY OF
- May 13, 2016: FRUITVALE HOUSING AUTHORITY WWTP, Fruitvale, TX0083011, held by FRUITVALE HOUSING AUTHORITY
- May 13, 2016: CITY OF OVERTON WWTP, Overton, TX0104272, held by OVERTON, CITY OF
- May 16, 2016: CITY OF CAMPBELL WWTP, Campbell, TX0072508, held by CAMPBELL, CITY OF
- May 17, 2016: EAST BANK WWTP, Center, TX0076953, held by CENTER, CITY OF
- May 25, 2016: CITY OF HALLSVILLE WWTP, Hallsville, TX0026921, held by HALLSVILLE, CITY OF
- May 31, 2016: AVINGER WWTP, Avinger, TX0071803, held by AVINGER, CITY OF
- June 3, 2016: CITY OF CADDO MILLS WWTF, Hunt County, TX0128392, held by CADDO MILLS, CITY OF
- June 7, 2016: TOWN OF ANTHONY WWTF, Anthony, TX0136662, held by TOWN OF ANTHONY
- June 14, 2016: BLUE HOLE WWTF, Wimberley, TX0135445, held by WIMBERLEY, CITY OF
WASKOM WWTP among its neighbors
EPA’s permit file holds 2 discharge permits in the Upper Cross Bayou subwatershed (HUC 111403040502), TX0020036 among them. Its county holds 54, 3 of them major permits; TX0020036 is a minor permit.
Other permits in the Upper Cross Bayou subwatershed (HUC 111403040502)
- SOUTH HALLSVILLE MINE 1 SOUTH MARSHALL AREA, Hallsville: TX0088935, minor permit, discharging to BRANDY BRANCH, permit term to April 1, 2021
Identity
| Facility as filed | WASKOM WWTP |
|---|---|
| Permittee as filed | WASKOM, CITY OF |
| NPDES ID | TX0020036 |
| 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 | May 25, 2016 |
| Expiration date | February 1, 2021 |
| Address | Waskom, TX 75692 |
| Receiving water | CROSS BAYOU; CYPRESS CREEK |
| Subwatershed | Upper Cross Bayou (HUC 111403040502) |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 38Pollutants on file
- 38Under a numeric limit
- 37With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 13 | 10 | January 31, 2026 | 169% over the limit |
| Solids, total suspended | 3 | 10 | 4 | January 31, 2026 | 27% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 4 | 1 | January 31, 2026 | 26% over the limit |
| Chlorine, total residual | 2 | 3 | 1 | May 31, 2026 | 20% over the limit |
| Lead, sludge, total, dry weight [as Pb] | 3 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 6 | 0 | ||
| E. coli | 2 | 6 | 0 | ||
| Arsenic, dry weight | 5 | 5 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Compliance w/part 258 sludge requirement | 1 | 4 | 0 | ||
| pH | 3 | 3 | 0 | ||
| Selenium, dry weight | 3 | 3 | 0 | ||
| Copper, dry weight | 3 | 3 | 0 | ||
| Cadmium, dry weight | 3 | 3 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 3 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 3 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 3 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 3 | 0 | ||
| Annual amt of sludge incinerated | 1 | 3 | 0 | ||
| Annual sludge production, total | 1 | 3 | 0 | ||
| Annual amount of sludge land applied | 1 | 3 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 3 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 3 | 0 | ||
| Annual amt sludge transported interstate | 1 | 3 | 0 | ||
| Nickel, total [as Ni] | 2 | 2 | 0 | ||
| Level of pathogen requirements achieved | 2 | 2 | 0 | ||
| Description of pathogen option used | 2 | 2 | 0 | ||
| Vector attraction reduction alternative used | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Fecal coliform | 1 | 1 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 1 | 0 | ||
| Boundary areas | 1 | 1 | 0 | ||
| Salmonella | 1 | 1 | 0 | ||
| Pollutant table from 503.13 | 1 | 1 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 |
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES TX0020036.
Inspections
EPA’s inspection file holds no inspection for NPDES TX0020036.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| February 27, 2026 | Under Review | State |
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.