Clean Water Act discharge permit · NPDES LA0032131
ST. CHARLES PARISH COUNCIL - LULING OXIDATION POND, Luling, LA: NPDES LA0032131 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 28Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
ST. CHARLES PARISH COUNCIL - LULING OXIDATION POND, held by St. Charles Parish Council - Luling Oxidation Pond, holds NPDES permit LA0032131, which discharges to George Cousin Canal. EPA’s file records it issued September 29, 2016 and expiring October 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | ST. CHARLES PARISH COUNCIL - LULING OXIDATION POND |
|---|---|
| Permittee as filed | St. Charles Parish Council - Luling Oxidation Pond |
| NPDES ID | LA0032131 |
| 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 | September 29, 2016 |
| Expiration date | October 31, 2021 |
| Address | Luling, LA 70057 |
| Receiving water | GEORGE COUSIN CANAL |
| Subwatershed | Boutte-Grand Bayou (HUC 080903010303) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 38Pollutants on file
- 28Under a numeric limit
- 28With 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 | 3 | 109 | 97 | May 31, 2026 | 230% over the limit |
| Solids, total suspended | 3 | 43 | 28 | August 31, 2006 | 291% over the limit |
| Chlorine, total residual | 1 | 14 | 2 | September 30, 2017 | 21% over the limit |
| Coliform, fecal general | 2 | 13 | 1 | May 31, 2021 | 90% over the limit |
| pH | 2 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 10 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 8 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Pimephales promelas | 0 | 8 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 8 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Pimephales promelas | 0 | 8 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 8 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 8 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia | 0 | 8 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas | 0 | 8 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 8 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Pimephales promelas | 0 | 8 | 0 | ||
| Nitrogen, total [as N] | 3 | 2 | 0 | ||
| Phosphorus, total [as P] | 3 | 2 | 0 | ||
| Magnesium, total [as Mg] | 3 | 1 | 0 | ||
| Cadmium, total [as Cd] | 3 | 1 | 0 | ||
| Chromium, total [as Cr] | 3 | 1 | 0 | ||
| Copper, total [as Cu] | 3 | 1 | 0 | ||
| Iron, total [as Fe] | 3 | 1 | 0 | ||
| Lead, total [as Pb] | 3 | 1 | 0 | ||
| Nickel, total [as Ni] | 3 | 1 | 0 | ||
| Silver, total [as Ag] | 3 | 1 | 0 | ||
| Zinc, total [as Zn] | 3 | 1 | 0 | ||
| Selenium, total [as Se] | 3 | 1 | 0 | ||
| Whole effluent toxicity - retest #1 | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 4 | 0 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 4 | 0 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 4 | 0 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 4 | 0 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 4 | 0 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 4 | 0 | 0 | ||
| Wetlands Monitoring | 2 | 0 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 2 | 0 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 2 | 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
- 16Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 30, 2026 | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | ST6 |
| April 30, 2026 | Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] | ST6 |
| April 30, 2023 | Failure to minimize or prevent SSO to waters of the U.S. - adverse impacts [40 CFR 122.41(d)] | ST6 |
| April 30, 2023 | Failure to properly operate and maintain the sanitary sewer system [40 CFR 122.41(e)] | ST6 |
| August 30, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| January 31, 2022 | WW SSO - Discharge to Waters | ST6 |
| January 31, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| November 30, 2020 | WW SSO - Discharge to Waters | ST6 |
| November 30, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 31, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 31, 2019 | WW SSO - Discharge to Waters | ST6 |
| September 26, 2017 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| August 31, 2017 | WW SSO - Improper Operation and Maintenance | ST6 |
| August 31, 2017 | WW SSO - Discharge to Waters | ST6 |
| June 30, 2017 | WW SSO - Discharge to Waters | ST6 |
| June 30, 2017 | WW SSO - Improper Operation and Maintenance | 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 September 15, 2026.