Clean Water Act discharge permit · NPDES LAG536762
CARPENTER & PATERSON, INC., Waggaman, LA: NPDES LAG536762 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
CARPENTER & PATERSON, INC. holds NPDES permit LAG536762. EPA’s file records it issued June 4, 2024 and expiring November 30, 2027. 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 CARPENTER & PATERSON, INC.: its NPDES ID, its permit type and status, its dates, its address in Waggaman, Louisiana, and 6 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES LAG536762.
Identity
| Facility as filed | CARPENTER & PATERSON, INC. |
|---|---|
| Permittee as filed | CARPENTER & PATERSON, INC. |
| NPDES ID | LAG536762 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 4, 2024 |
| Expiration date | November 30, 2027 |
| Address | Waggaman, LA 70094 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Westwego-Main Canal (HUC 080903010307) |
| Other EPA IDs (FRS) | RCRA handler LAD981049646 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 6Pollutants on file
- 6Under 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 | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Coliform, fecal general | 2 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES LAG536762.
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 LAG536762.
Inspections
EPA’s inspection file holds no inspection for NPDES LAG536762.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES LAG536762.
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
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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 LAG536762 there.
CARPENTER & PATERSON, INC., Waggaman, Louisiana: Coverage under a general permit LAG536762; Effective; issued June 4, 2024, term to November 30, 2027.
No violation or effluent exceedance is on file for any of the 6 pollutants listed for NPDES LAG536762.
- BOD, 5-day, 20 deg. C: 2 limits.
- pH: 2 limits.
- Solids, total suspended: 2 limits.
- Flow, in conduit or thru treatment plant: 2 limits.
- Coliform, fecal general: 2 limits.
- Oil & Grease: 1 limit.
CARPENTER & PATERSON, INC. among its neighbors
37 discharge permits are in the Westwego-Main Canal subwatershed (HUC 080903010307); LAG536762 is one. Its county: 143, 19 major; LAG536762 is minor permit.
Other permits in the Westwego-Main Canal subwatershed (HUC 080903010307)
- AVONDALE TERMINAL SERVICES LLC, Avondale: LAR05Q318, minor, term to 2026-10-26
- BOLLINGER QUICK REPAIR LLC, Harvey: LA0007137, minor, term to 2025-10-31
- BUNGE LODERS CROKLAAN USA LLC - BUNGE LODERS-AVONDALE, Avondale: LA0127454, minor, term to 2025-08-31
- CANADA INC - LAPALCO DISCOUNT ZONE, Marrero: LAG830360, minor, term to 2028-03-31
- CORNERSTONE CHEMICAL COMPANY LLC - CORNERSTONE CHEMICAL COMPANY, ENERGY PARK, Waggaman: LAG420177, minor, term to 2026-09-01
- CORNERSTONE CHEMICAL COMPANY- FORTIER PLANT, Waggaman: LAG420065, minor, term to 2018-10-04
- DELTA COATINGS INC - WESTWEGO YARD, Westwego: LAR05Q172, minor, term to 2026-10-26
- DSLD HOMES, LLC - STEEPLECHASE AT HOMEPLACE, Westwego: LAR10Q004, minor, term to 2026-03-28
- DSLD, LLC - BENT TREE SUBDIVISION, Marrero: LAR10K964, minor, term to 2017-07-19
- DYNO NOBEL LOUISIANA AMMONIA LLC, Waggaman: LAR10J551, minor, term to 2015-09-30
Nearby on the register
- Discharge permits in Waggaman
- Every permit record in Waggaman, 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.
What this page shows
This EPA-derived register page covers Clean Water Act discharge permit NPDES LAG536762 held by CARPENTER & PATERSON, INC. in Waggaman, LA, with status Effective and the discharger class listed as Minor Discharger. The page lists 6 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and the watershed is Westwego-Main Canal (HUC 080903010307).