Clean Water Act discharge permit · NPDES LA0000086
CARROLLTON WATER PLANT, New Orleans, LA: NPDES LA0000086 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
CARROLLTON WATER PLANT, held by SEWERAGE & WATER BOARD OF NEW, holds NPDES permit LA0000086, which discharges to Mississippi River/Leonidas Canal. EPA’s file records it issued February 20, 2014 and expiring March 31, 2019. 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 | CARROLLTON WATER PLANT |
|---|---|
| Permittee as filed | SEWERAGE & WATER BOARD OF NEW |
| NPDES ID | LA0000086 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 20, 2014 |
| Expiration date | March 31, 2019 |
| Address | New Orleans, LA 70118 |
| Receiving water | MISSISSIPPI RIVER/LEONIDAS CANAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mississippi River-Bonnet Carre Spillway (HUC 080901000101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 4Under a numeric limit
- 3With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 72 | 72 | June 30, 2026 | 2,450% over the limit |
| pH | 4 | 44 | 42 | June 30, 2026 | |
| Carbon, tot organic [TOC] | 0 | 3 | 3 | January 31, 2025 | 40% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Coagulants added | 2 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 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
- 23Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 31, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| July 31, 2025 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| June 30, 2025 | Effluent Violations - Unauthorized Discharge | ST6 |
| June 30, 2025 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| January 2, 2025 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| May 9, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| May 9, 2023 | Monitoring Violations - Invalid/Unrepresentative Sample | ST6 |
| February 15, 2023 | Effluent Violations - Industrial Spill | ST6 |
| February 15, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| February 1, 2023 | Management Practice Violations - Failure to Implement SPCC Plan | ST6 |
| February 1, 2023 | Management Practice Violations - Failure to Develop Adequate SPCC Plan | ST6 |
| December 20, 2022 | Management Practice Violations - Failure to Develop Adequate SPCC Plan | ST6 |
| December 16, 2022 | Reporting Violations - Failure to Notify | ST6 |
| December 16, 2022 | Management Practice Violations - Failure to Implement SPCC Plan | ST6 |
| December 16, 2022 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| August 10, 2022 | Effluent Violations - Industrial Spill | ST6 |
| January 31, 2022 | Effluent Violations - Unauthorized Discharge | ST6 |
| January 31, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| December 31, 2021 | Effluent Violations - Unauthorized Discharge | ST6 |
| July 9, 2019 | Effluent Violations - Unauthorized Discharge | ST6 |
| March 31, 2019 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
| May 3, 2018 | Management Practice Violations - Failure to Maintain Records | ST6 |
| August 16, 2017 | Effluent Violations - Industrial Spill | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, LA0000086.
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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 LA0000086 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.