Clean Water Act discharge permit · NPDES LA0069868
ST. JOHN THE BAPTIST PARISH - RIVER ROAD WWTP, Laplace, LA: NPDES LA0069868 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 17Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
ST. JOHN THE BAPTIST PARISH - RIVER ROAD WWTP, held by St. John the Baptist Parish - River Road Treatment Plant, holds NPDES permit LA0069868, which discharges to Mississippi River. 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. JOHN THE BAPTIST PARISH - RIVER ROAD WWTP |
|---|---|
| Permittee as filed | St. John the Baptist Parish - River Road Treatment Plant |
| NPDES ID | LA0069868 |
| 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 | Laplace, LA 70068 |
| Receiving water | MISSISSIPPI RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bayou Becnel-Frontal Lac des Allemands (HUC 080903010204) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 17Under a numeric limit
- 15With 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 | 3 | 91 | 82 | February 28, 2026 | 307% over the limit |
| BOD, 5-day, 20 deg. C | 3 | 50 | 41 | April 30, 2026 | 327% over the limit |
| Coliform, fecal general | 2 | 18 | 12 | May 31, 2024 | 99,999% over the limit |
| Oil and grease | 0 | 6 | 1 | September 30, 2000 | 13% over the limit |
| pH | 2 | 18 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 12 | 0 | ||
| Turbidity | 0 | 8 | 0 | ||
| Nitrogen, total [as N] | 6 | 6 | 0 | ||
| Phosphorus, total [as P] | 6 | 6 | 0 | ||
| Carbon, tot organic [TOC] | 0 | 6 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 2 | 4 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 2 | 4 | 0 | ||
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 2 | 4 | 0 | ||
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 2 | 4 | 0 | ||
| Priority pollutants scan [yes/no] | 1 | 2 | 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 | ||
| 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
- 21Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 31, 2023 | Pretreatment - Failure to submit required report (non-DMR) | ST6 |
| February 22, 2023 | WW SSO - Improper Operation and Maintenance | ST6 |
| February 22, 2023 | WW SSO - Discharge to Waters | ST6 |
| January 23, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| October 17, 2022 | Management Practice Violations - Failure to Develop Adequate SPCC Plan | ST6 |
| October 17, 2022 | Management Practice Violations - Failure to Implement SPCC Plan | ST6 |
| September 29, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 16, 2020 | WW SSO - Discharge to Waters | ST6 |
| May 6, 2020 | WW SSO - Improper Operation and Maintenance | ST6 |
| August 31, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
| July 31, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 31, 2018 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| November 9, 2018 | Effluent Violations - Unauthorized Discharge | ST6 |
| October 25, 2018 | WW SSO - Discharge to Waters | ST6 |
| October 25, 2018 | Reporting Violations - Failure to Notify | ST6 |
| March 29, 2018 | Permit Violations - Violation Specified in Comment | ST6 |
| March 29, 2018 | Pretreatment - Failure to submit required report (non-DMR) | ST6 |
| February 28, 2018 | WW SSO - Discharge to Waters | ST6 |
| February 28, 2018 | WW SSO - Improper Operation and Maintenance | ST6 |
| February 27, 2018 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| February 27, 2018 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | 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.