Clean Water Act discharge permit · NPDES LA0038962
MANSFIELD CITY OF - MANSFIELD SEWAGE TREATMENT FACILITY, Mansfield, LA: NPDES LA0038962 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MANSFIELD CITY OF - MANSFIELD SEWAGE TREATMENT FACILITY, held by City of Manfield- Sewage Treatment Facility, holds NPDES permit LA0038962, which discharges to Bayou Nabonchasse. EPA’s file records it issued August 31, 2017 and expiring October 31, 2022. 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 | MANSFIELD CITY OF - MANSFIELD SEWAGE TREATMENT FACILITY |
|---|---|
| Permittee as filed | City of Manfield- Sewage Treatment Facility |
| NPDES ID | LA0038962 |
| 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 | August 31, 2017 |
| Expiration date | October 31, 2022 |
| Address | Mansfield, LA 71052 |
| Receiving water | BAYOU NABONCHASSE |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Na Bonchasse Bayou (HUC 111402060304) |
| 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
- 10Pollutants on file
- 7Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 6 | 273 | 234 | January 31, 2024 | 247% over the limit |
| Solids, total suspended | 6 | 203 | 162 | September 30, 2025 | 167% over the limit |
| Coliform, fecal general | 4 | 98 | 74 | September 30, 2025 | 99,999% over the limit |
| pH | 4 | 29 | 3 | October 31, 2024 | |
| Flow, in conduit or thru treatment plant | 4 | 26 | 0 | ||
| Nitrogen, total [as N] | 3 | 15 | 0 | ||
| Phosphorus, total [as P] | 3 | 15 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 0 | 2 | 0 | ||
| BOD, carbonaceous, percent removal | 0 | 1 | 0 | ||
| Solids, suspended percent removal | 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
- 21Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 23, 2023 | Management Practice Violations - Failure to Maintain Records | ST6 |
| May 23, 2023 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| May 23, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 23, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| March 31, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 31, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 31, 2022 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| December 30, 2022 | WW SSO - Discharge to Waters | ST6 |
| December 30, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 10, 2020 | WW SSO - Discharge to Waters | ST6 |
| October 10, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 9, 2020 | WW SSO - Discharge to Waters | ST6 |
| October 9, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| April 28, 2020 | WW SSO - Discharge to Waters | ST6 |
| April 28, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| April 18, 2019 | WW SSO - Discharge to Waters | ST6 |
| April 18, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
| March 31, 2019 | Management Practice Violations - Violation of a milestone in an order | ST6 |
| December 31, 2018 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 31, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| June 30, 2018 | Management Practice Violations - Violation of a milestone in an order | 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.