Clean Water Act discharge permit · NPDES LA0127901
MAMMOTH INDUSTRIES INC - MAMMOTH LODGE, Rayville, LA: NPDES LA0127901 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MAMMOTH INDUSTRIES INC - MAMMOTH LODGE, held by Mammoth Industries Inc - Mammoth Lodge, holds NPDES permit LA0127901. EPA’s file records it issued June 10, 2026 and expiring June 30, 2031. 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.
What the register holds for MAMMOTH INDUSTRIES INC - MAMMOTH LODGE: its NPDES ID, its permit type and status, its dates, its address in Rayville, Louisiana, and 10 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES LA0127901.
Identity
| Facility as filed | MAMMOTH INDUSTRIES INC - MAMMOTH LODGE |
|---|---|
| Permittee as filed | Mammoth Industries Inc - Mammoth Lodge |
| NPDES ID | LA0127901 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 10, 2026 |
| Expiration date | June 30, 2031 |
| Issuing agency | LDEQ |
| Address | Rayville, LA 71269 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cypress Creek (HUC 080500011003) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 0With a violation of any kind
- 0With 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, 5-day, 20 deg. C | 5 | 0 | 0 | ||
| Solids, total suspended | 5 | 0 | 0 | ||
| Nitrogen, total [as N] | 3 | 0 | 0 | ||
| Phosphorus, total [as P] | 3 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| BOD, percent removal [total] | 1 | 0 | 0 | ||
| Solids, suspended percent removal | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES LA0127901.
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 LA0127901.
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, LA0127901.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
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How we handle your data → Privacy
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 LA0127901 there.
Nearby on the register
- Discharge permits in Rayville
- Every permit record in Rayville, A to Z
- Discharge permits in Louisiana
- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.