Clean Water Act discharge permit · NPDES TX0022331
CITY OF QUINLAN WWTP, Quinlan, TX: NPDES TX0022331 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
CITY OF QUINLAN WWTP, held by QUINLAN, CITY OF, holds NPDES permit TX0022331, which discharges to Lake Tawakoni. EPA’s file records it issued June 24, 2021 and expiring June 24, 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 | CITY OF QUINLAN WWTP |
|---|---|
| Permittee as filed | QUINLAN, CITY OF |
| NPDES ID | TX0022331 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 24, 2021 |
| Expiration date | June 24, 2026 |
| Address | Quinlan, TX 75474 |
| Receiving water | Lake Tawakoni |
| Subwatershed | Jones Creek-Sabine River (HUC 120100010404) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 38Pollutants on file
- 8Under a numeric limit
- 38With a violation of any kind
- 9With 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 | 88 | 85 | February 28, 2026 | 317% over the limit |
| Solids, total suspended | 3 | 60 | 54 | February 28, 2026 | 435% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 35 | 32 | July 31, 2026 | 181% over the limit |
| Chlorine, total residual | 2 | 23 | 19 | November 30, 2022 | 105% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 23 | 15 | June 30, 2025 | 127% over the limit |
| E. coli | 2 | 11 | 5 | February 28, 2025 | 335% over the limit |
| Oxygen, dissolved [DO] | 1 | 9 | 5 | August 31, 2014 | 40% over the limit |
| pH | 2 | 16 | 3 | January 31, 2019 | |
| BOD, carbonaceous [5 day, 20 C] | 0 | 1 | 1 | May 31, 2026 | 10% over the limit |
| Arsenic, dry weight | 0 | 8 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 0 | 8 | 0 | ||
| Selenium, dry weight | 0 | 6 | 0 | ||
| Copper, dry weight | 0 | 6 | 0 | ||
| Cadmium, dry weight | 0 | 6 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 0 | 6 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 0 | 6 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 0 | 6 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 0 | 6 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 0 | 6 | 0 | ||
| Annual sludge production, total | 0 | 4 | 0 | ||
| Annual amt sludge disposed in landfill | 0 | 4 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 0 | 3 | 0 | ||
| Toxicity characteristic leaching procedure | 0 | 3 | 0 | ||
| Ann. amt sludge disposed by other method | 0 | 3 | 0 | ||
| Annual amt of sludge incinerated | 0 | 3 | 0 | ||
| Annual amount of sludge land applied | 0 | 3 | 0 | ||
| Annual amt. sludge disposed surface unit | 0 | 3 | 0 | ||
| Annual amt sludge transported interstate | 0 | 3 | 0 | ||
| Compliance w/part 258 sludge requirement | 0 | 3 | 0 | ||
| Level of pathogen requirements achieved | 0 | 3 | 0 | ||
| Description of pathogen option used | 0 | 3 | 0 | ||
| Vector attraction reduction alternative used | 0 | 3 | 0 | ||
| Nickel, total [as Ni] | 0 | 2 | 0 | ||
| Fecal coliform | 0 | 2 | 0 | ||
| Salmonella | 0 | 2 | 0 | ||
| Pollutant table from 503.13 | 0 | 2 | 0 | ||
| Unit w/liner/leachate collection system | 0 | 1 | 0 | ||
| Boundary areas | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 2, 2025 | Permit Violations - Violation Specified in Comment | ST6 |
| August 17, 2020 | 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 TX0022331 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.