Clean Water Act discharge permit · NPDES LA0122337
NATIONAL WATER INFRASTRUCTURE, LLC - GRAY'S CREEK SUBDIVISION, Denham Springs, LA: NPDES LA0122337 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 9Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
NATIONAL WATER INFRASTRUCTURE, LLC - GRAY'S CREEK SUBDIVISION, held by Ascension Wastewater Treatment, Inc. - Gray's Creek Subdivision, holds NPDES permit LA0122337. EPA’s file records it issued September 21, 2012 and expiring October 31, 2017. 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 | NATIONAL WATER INFRASTRUCTURE, LLC - GRAY'S CREEK SUBDIVISION |
|---|---|
| Permittee as filed | Ascension Wastewater Treatment, Inc. - Gray's Creek Subdivision |
| NPDES ID | LA0122337 |
| 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 | September 21, 2012 |
| Expiration date | October 31, 2017 |
| Address | Denham Springs, LA 70726 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Grays Creek-Amite River (HUC 080702020903) |
| SIC | 4931 – Electric And Other Services Combined |
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
- 9Pollutants on file
- 9Under a numeric limit
- 8With 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] | 4 | 51 | 23 | April 30, 2020 | 280% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 50 | 22 | April 30, 2020 | 370% over the limit |
| Solids, total suspended | 4 | 42 | 14 | October 31, 2023 | 320% over the limit |
| Coliform, fecal general | 4 | 33 | 5 | July 31, 2023 | 675% over the limit |
| pH | 4 | 28 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 25 | 0 | ||
| Nitrogen, total [as N] | 2 | 2 | 0 | ||
| Phosphorus, total [as P] | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0122337.
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 LA0122337 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.