Clean Water Act discharge permit · NPDES LA0049344
MAGNOLIA WATER UTILITY OPERATING CO., LLC - TWIN OAKS WWTP, Raceland, LA: NPDES LA0049344 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MAGNOLIA WATER UTILITY OPERATING CO., LLC - TWIN OAKS WWTP, held by TWIN OAKS SERVICE CORPORATION, holds NPDES permit LA0049344. EPA’s file records it issued April 11, 2013 and expiring April 30, 2018. 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 | MAGNOLIA WATER UTILITY OPERATING CO., LLC - TWIN OAKS WWTP |
|---|---|
| Permittee as filed | TWIN OAKS SERVICE CORPORATION |
| NPDES ID | LA0049344 |
| 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 |
| Issued | April 11, 2013 |
| Expiration date | April 30, 2018 |
| Address | Raceland, LA 70394 |
| Subwatershed | Lake Fields (HUC 080903020503) |
| 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
- 6Pollutants on file
- 0Under a numeric limit
- 6With 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 | 0 | 165 | 165 | June 30, 2026 | 580% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 140 | 140 | June 30, 2026 | 420% over the limit |
| Coliform, fecal general | 0 | 19 | 19 | January 31, 2025 | 99,999% over the limit |
| pH | 0 | 6 | 6 | June 30, 2026 | |
| Nitrogen, total [as N] | 0 | 3 | 0 | ||
| Phosphorus, total [as P] | 0 | 3 | 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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 31, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| August 5, 2021 | Biosolids: Other Management Practice Violation | ST6 |
| August 5, 2021 | Monitoring Violations - Failure to Monitor for Non-Toxicity Requirements | ST6 |
| August 31, 2020 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| December 31, 2019 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| June 30, 2019 | Effluent Violations - Numeric effluent violation | ST6 |
| June 30, 2019 | Monitoring Violations - Analysis not Conducted | ST6 |
| December 31, 2018 | Monitoring Violations - Analysis not Conducted | ST6 |
| October 31, 2018 | Effluent Violations - Numeric effluent violation | 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 LA0049344 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.