Clean Water Act discharge permit · NPDES TX0056731
CITY OF CORSICANA - WWTP 2, Corsicana, TX: NPDES TX0056731 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 63Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
CITY OF CORSICANA - WWTP 2, held by CORSICANA, CITY OF, holds NPDES permit TX0056731, which discharges to Post Oak Creek, Richland-Chambers R. EPA’s file records it issued December 23, 2013 and expiring September 1, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CITY OF CORSICANA - WWTP 2 |
|---|---|
| Permittee as filed | CORSICANA, CITY OF |
| NPDES ID | TX0056731 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 23, 2013 |
| Expiration date | September 1, 2016 |
| Address | Corsicana, TX 75109 |
| Receiving water | POST OAK CREEK, RICHLAND-CHAMBERS R |
| Subwatershed | Elm Creek-Post Oak Creek (HUC 120301090405) |
| Program components on file | POTW, Pretreatment |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 63Pollutants on file
- 63Under a numeric limit
- 27With a violation of any kind
- 2With 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; the 60 with the most exceedances of 63 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 8 | 1 | 1 | May 31, 2007 | 53,456% over the limit |
| E. coli | 8 | 1 | 1 | February 28, 2019 | 507% over the limit |
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 10 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 10 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 10 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 10 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 10 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Ceriodaphnia dubia | 8 | 6 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute D. Pulex | 2 | 6 | 0 | ||
| LC50 Pass/Fail Static 24Hr Acute Pimephales promelas | 2 | 6 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 8 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 8 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 8 | 4 | 0 | ||
| Pass/Fail Sub-Lethal Static Renewal 7 Day Chronic Pinephales promelas | 8 | 4 | 0 | ||
| LOEC Lethal Survival Static Renewal 7 Day Chronic Pimephales promelas | 8 | 4 | 0 | ||
| LOEC Sub-Lethal Reproduction Static Renewal 7 Day Chronic Pimephales promelas | 8 | 4 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 6 | 3 | 0 | ||
| Chlorine, total residual | 4 | 2 | 0 | ||
| Conductivity | 3 | 2 | 0 | ||
| Sulphur, total elemental | 3 | 2 | 0 | ||
| Nitrogen, nitrate total [as N] | 3 | 2 | 0 | ||
| Phosphorus, total [as P] | 3 | 2 | 0 | ||
| Calcium, total [as Ca] | 3 | 2 | 0 | ||
| Magnesium, total [as Mg] | 3 | 2 | 0 | ||
| Sodium, total [as Na] | 3 | 2 | 0 | ||
| Potassium, total [as K] | 3 | 2 | 0 | ||
| pH, in soil | 3 | 2 | 0 | ||
| Whole effluent toxicity - retest #1 | 14 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 14 | 0 | 0 | ||
| Solids, total suspended | 6 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 0 | 0 | ||
| pH | 5 | 0 | 0 | ||
| Arsenic, dry weight | 5 | 0 | 0 | ||
| Chromium, sludge, total, dry weight [as Cr] | 5 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Level of pathogen requirements achieved | 2 | 0 | 0 | ||
| Description of pathogen option used | 2 | 0 | 0 | ||
| Vector attraction reduction alternative used | 2 | 0 | 0 | ||
| Fecal coliform | 1 | 0 | 0 | ||
| Polychlorinated biphenyls [PCBs] | 1 | 0 | 0 | ||
| Toxicity characteristic leaching procedure | 1 | 0 | 0 | ||
| Annual whole sludge application rate | 1 | 0 | 0 | ||
| Ann. amt sludge disposed by other method | 1 | 0 | 0 | ||
| Annual amt of sludge incinerated | 1 | 0 | 0 | ||
| Annual sludge production, total | 1 | 0 | 0 | ||
| Annual amount of sludge land applied | 1 | 0 | 0 | ||
| Annual amt. sludge disposed surface unit | 1 | 0 | 0 | ||
| Annual amt sludge disposed in landfill | 1 | 0 | 0 | ||
| Annual amt sludge transported interstate | 1 | 0 | 0 | ||
| Unit w/liner/leachate collection system | 1 | 0 | 0 | ||
| Compliance w/part 258 sludge requirement | 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 |
|---|---|---|
| April 10, 2018 | 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.