Clean Water Act discharge permit · NPDES LA0043915
WINNFIELD, CITY OF- WASTEWATER TREATMENT PLANT, Winnfield, LA: NPDES LA0043915 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
WINNFIELD, CITY OF- WASTEWATER TREATMENT PLANT, held by City of Winnfield- Wastewater Treatment Plant, holds NPDES permit LA0043915, which discharges to Creosote Branch. EPA’s file records it issued June 19, 2014 and expiring July 31, 2019. 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 | WINNFIELD, CITY OF- WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | City of Winnfield- Wastewater Treatment Plant |
| NPDES ID | LA0043915 |
| 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 | June 19, 2014 |
| Expiration date | July 31, 2019 |
| Address | Winnfield, LA 71483 |
| Receiving water | CREOSOTE BRANCH |
| Subwatershed | Port De Luce Creek (HUC 080403030503) |
| 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
- 22Pollutants on file
- 18Under a numeric limit
- 22With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 3 | 169 | 147 | November 30, 2025 | 363% over the limit |
| Solids, total suspended | 3 | 162 | 139 | September 30, 2025 | 1,639% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 3 | 158 | 135 | November 30, 2025 | 382% over the limit |
| Coliform, fecal general | 2 | 52 | 31 | June 30, 2026 | 99,999% over the limit |
| Whole effluent toxicity | 0 | 76 | 16 | September 30, 2011 | 99,999% over the limit |
| Whole Effluent Toxicity [WET] - C. dubia | 4 | 18 | 14 | December 31, 2025 | 100% over the limit |
| pH | 2 | 15 | 1 | December 31, 2007 | |
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 80 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 4 | 78 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 4 | 78 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 4 | 78 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 2 | 77 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 2 | 73 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 72 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 72 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 72 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 4 | 68 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 15 | 0 | ||
| Nitrogen, total [as N] | 0 | 15 | 0 | ||
| Phosphorus, total [as P] | 0 | 15 | 0 | ||
| Whole Effluent Toxicity [WET] - P. promelas | 4 | 8 | 0 | ||
| Chlorine, total residual | 0 | 4 | 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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| February 27, 2020 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| February 27, 2020 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| November 30, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| October 31, 2018 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 31, 2018 | WW SSO - Discharge to Waters | ST6 |
| February 27, 2018 | Management Practice Violations - Failure to Maintain Records | ST6 |
| January 31, 2018 | Monitoring Violations - Frequency of Sampling Violation | ST6 |
| December 31, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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.