Clean Water Act discharge permit · NPDES LA0043982
WEST MONROE, CITY OF- WASTEWATER TREATMENT PLANT, West Monroe, LA: NPDES LA0043982 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 15Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
WEST MONROE, CITY OF- WASTEWATER TREATMENT PLANT, held by City of West Monroe- Wastewater Treatment Facility, holds NPDES permit LA0043982, which discharges to Ouachita River. EPA’s file records it issued December 20, 2013 and expiring January 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 | WEST MONROE, CITY OF- WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | City of West Monroe- Wastewater Treatment Facility |
| NPDES ID | LA0043982 |
| 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 20, 2013 |
| Expiration date | January 31, 2019 |
| Address | West Monroe, LA 71291 |
| Receiving water | OUACHITA RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Tupawek Bayou-Ouachita River (HUC 080402070203) |
| 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
- 19Pollutants on file
- 15Under a numeric limit
- 17With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 48 | 197 | 109 | June 30, 2026 | 417% over the limit |
| BOD, 5-day, 20 deg. C | 48 | 156 | 69 | June 30, 2026 | 6,078% over the limit |
| Coliform, fecal general | 32 | 105 | 46 | June 30, 2026 | 2,135% over the limit |
| Chlorine, total residual | 16 | 47 | 24 | June 30, 2026 | 2,147,483,650% over the limit |
| Flow, in conduit or thru treatment plant | 32 | 52 | 0 | ||
| Flow rate | 32 | 47 | 0 | ||
| pH | 32 | 46 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 4 | 18 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 4 | 18 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 4 | 14 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 4 | 14 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 4 | 12 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 4 | 12 | 0 | ||
| Copper, total [as Cu] | 0 | 6 | 0 | ||
| Streamflow | 0 | 3 | 0 | ||
| Nitrogen, total [as N] | 0 | 3 | 0 | ||
| Phosphorus, total [as P] | 0 | 3 | 0 | ||
| Whole effluent toxicity - retest #1 | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 4 | 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
- 24Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 30, 2024 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| September 5, 2024 | WW SSO - Discharge to Waters | ST6 |
| September 5, 2024 | WW SSO - Improper Operation and Maintenance | ST6 |
| August 31, 2024 | WW SSO - Improper Operation and Maintenance | ST6 |
| August 31, 2024 | WW SSO - Discharge to Waters | ST6 |
| April 3, 2024 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| May 11, 2023 | WW SSO - Improper Operation and Maintenance | ST6 |
| May 11, 2023 | WW SSO - Discharge to Waters | ST6 |
| April 6, 2023 | WW SSO - Discharge to Waters | ST6 |
| April 6, 2023 | WW SSO - Improper Operation and Maintenance | ST6 |
| February 6, 2023 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| February 6, 2023 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| December 11, 2021 | WW SSO - Discharge to Waters | ST6 |
| December 11, 2021 | WW SSO - Improper Operation and Maintenance | ST6 |
| November 30, 2021 | WW SSO - Discharge to Waters | ST6 |
| November 30, 2021 | WW SSO - Improper Operation and Maintenance | ST6 |
| June 30, 2020 | Management Practice Violations - Violation of a milestone in an order | ST6 |
| September 18, 2019 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
| June 30, 2019 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| November 30, 2018 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| October 31, 2017 | WW SSO - Discharge to Waters | ST6 |
| October 31, 2017 | WW SSO - Improper Operation and Maintenance | ST6 |
| September 30, 2017 | WW SSO - Discharge to Waters | ST6 |
| September 30, 2017 | WW SSO - Improper Operation and Maintenance | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| January 23, 2026 | Evaluation | S |
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 |
|---|---|---|
| August 13, 2026 | Under Review | State |
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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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 LA0043982 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.