Clean Water Act discharge permit · NPDES LA0123293
MAGNOLIA WATER UTILITY OPERATING CO., LLC- STONE HILL SUBDIVISION, Denham Springs, LA: NPDES LA0123293 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MAGNOLIA WATER UTILITY OPERATING CO., LLC- STONE HILL SUBDIVISION, held by MAGNOLIA WATER UTILITY OPERATING CO., LLC, holds NPDES permit LA0123293. EPA’s file records it issued March 13, 2017 and expiring March 31, 2022. 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 | MAGNOLIA WATER UTILITY OPERATING CO., LLC- STONE HILL SUBDIVISION |
|---|---|
| Permittee as filed | MAGNOLIA WATER UTILITY OPERATING CO., LLC |
| NPDES ID | LA0123293 |
| 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 | March 13, 2017 |
| Expiration date | March 31, 2022 |
| Address | Denham Springs, LA 70727 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Grays Creek-Amite River (HUC 080702020903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 6With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 2 | 200 | 194 | September 30, 2024 | 2,450% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 2 | 200 | 194 | May 31, 2026 | 99,999% over the limit |
| Solids, total suspended | 2 | 197 | 194 | November 30, 2025 | 4,260% over the limit |
| Oxygen, dissolved [DO] | 1 | 96 | 92 | May 31, 2023 | 98% over the limit |
| Coliform, fecal general | 2 | 40 | 37 | April 30, 2023 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 3 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 2, 2017 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| August 2, 2017 | Effluent Violations - Unauthorized Discharge | 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 LA0123293 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.