Clean Water Act discharge permit · NPDES LA0117439
PREFERRED EQUITIES WWTP, Mandeville, LA: NPDES LA0117439 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
PREFERRED EQUITIES WWTP, held by ST. TAMMANY PARISH GOVT, TAMMANY UTILITIES, holds NPDES permit LA0117439. EPA’s file records it issued February 24, 2010 and expiring March 31, 2015. 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 | PREFERRED EQUITIES WWTP |
|---|---|
| Permittee as filed | ST. TAMMANY PARISH GOVT, TAMMANY UTILITIES |
| NPDES ID | LA0117439 |
| 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 24, 2010 |
| Expiration date | March 31, 2015 |
| Address | Mandeville, LA 70448 |
| Subwatershed | Ponchitalawa Creek-Tchefuncta River (HUC 080902010206) |
| 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
- 5Pollutants on file
- 0Under a numeric limit
- 5With 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, carbonaceous [5 day, 20 C] | 0 | 20 | 20 | February 28, 2026 | 620% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 19 | 19 | July 31, 2025 | 340% over the limit |
| Solids, total suspended | 0 | 15 | 15 | February 28, 2026 | 1,147% over the limit |
| Coliform, fecal general | 0 | 5 | 5 | January 31, 2024 | 9,100% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 6 | 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
- 13Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 13, 2022 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 9, 2022 | WW SSO - Discharge to Waters | ST6 |
| August 9, 2022 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 19, 2020 | Permit Violations - Application Incomplete | ST6 |
| May 25, 2019 | WW SSO - Discharge to Waters | ST6 |
| May 25, 2019 | WW SSO - Improper Operation and Maintenance | ST6 |
| December 4, 2017 | WW SSO - Discharge to Waters | ST6 |
| December 4, 2017 | WW SSO - Improper Operation and Maintenance | ST6 |
| October 12, 2017 | WW SSO - Discharge to Waters | ST6 |
| October 12, 2017 | WW SSO - Improper Operation and Maintenance | ST6 |
| September 20, 2017 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 20, 2017 | Effluent Violations - Narrative Effluent Violation | ST6 |
| May 23, 2017 | Reporting Violations - Failure to Notify | 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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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 LA0117439 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.