NPDES LA0038351 · Clean Water Act
WEST OUACHITA INDUSTRIAL PARK S.T.P., West Monroe, LA: NPDES LA0038351 discharge permit, effluent exceedances, inspections, penalties
WEST OUACHITA INDUSTRIAL PARK S.T.P., West Monroe, Louisiana: Individual permit LA0038351, held by West Ouachita Industrial District - West Ouachita Industrial Park STP; Publicly owned treatment works; Administratively continued; issued July 31, 2015, term to August 31, 2020; discharges to 8E.
- Solids, total suspended: 6 limits, 179 violations of any kind, 170 effluent exceedances, latest December 31, 2025, largest 167,239,168% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 6 limits, 82 violations of any kind, 73 effluent exceedances, latest October 31, 2020, largest 570% over the limit.
- Nitrogen, ammonia total [as N]: 6 limits, 33 violations of any kind, 24 effluent exceedances, latest March 31, 2018, largest 327% over the limit.
- Copper, total [as Cu]: 2 limits, 18 violations of any kind, 16 effluent exceedances, latest March 31, 2026, largest 473% over the limit.
- Coliform, fecal general: 4 limits, 15 violations of any kind, 9 effluent exceedances, latest January 31, 2018, largest 9,150% over the limit.
- pH: 4 limits, 7 violations of any kind, 1 effluent exceedance, latest March 31, 2017.
- Oil and grease: 2 limits, 4 violations of any kind, 1 effluent exceedance, latest July 31, 2018, largest 47% over the limit.
- Flow, in conduit or thru treatment plant: 4 limits, 6 violations of any kind.
- May 4, 2026: Phone Call/ EMAIL (State).
Louisiana holds 357 Publicly owned treatment works coverages of this permit type in EPA’s file; 66 were issued before LA0038351.
Coverages issued nearest LA0038351
- 2015-05-28: HOMER, TOWN OF- WASTEWATER TREATMENT PLANT, Homer: LA0038521, held by Town of Homer- Wastewater Treatment Plant
- 2015-06-19: VILLAGE OF PARKS WWTF, Parks: LA0050006
- 2015-06-19: VILLAGE OF HALL SUMMIT STP, Hall Summit: LA0064611, held by VILLAGE OF HALL SUMMIT
- 2015-06-19: CALCASIEU PARISH. SD # 11 WTP, Lake Charles: LA0074357, held by CALCASIEU PARISH POLICE JURY
- 2015-07-31: VILLAGE OF WATERPROOF WWTP, Waterproof: LA0033031, held by TOWN OF WATERPROOF
- 2015-07-31: COUNTRY CLUB SUBDIVISION WWTP, Thibodaux: LA0118346, held by LAFOURCHE PARISH SEWER DIST. NO 1
- 2015-07-31: FACULTATIVE LAGOON, Montgomery: LA0124745, held by TOWN OF MONTGOMERY
- 2015-08-03: ST. BERNARD PARISH - MUNSTER WWTP, Meraux: LA0040177, held by St. Bernard Parish - Munster WWTP
- 2015-08-10: BASTROP, CITY OF - MAIN PLANT, Bastrop: LA0020443, held by BASTROP, CITY OF (MAIN PLANT)
- 2015-08-10: RAYVILLE WWTF, Rayville: LA0020559, held by RAYVILLE, TOWN OF
WEST OUACHITA INDUSTRIAL PARK S.T.P. among its neighbors
11 discharge permits are in the North Cheniere Creek subwatershed (HUC 080402070102); LA0038351 is one. Its county: 86, 7 major; LA0038351 is minor permit.
Other permits in the North Cheniere Creek subwatershed (HUC 080402070102)
- CALHOUN DEVELOPMENT PROPERTIES LLC - WHISPERING LAKES, Calhoun: LAR10Q148, minor, term to 2027-10-13
- E3 PROPERTIES LLC - SILVER WATER PUMPING VEHICLE WASH, West Monroe: LAG751268, minor, term to 2029-04-25
- JOSZAC ENTERPRISES LLC - HIGH POINTE CENTER, West Monroe: LAR10N236, minor, term to 2021-03-28
- KPH MONROE LLC - BAYOU WOOD HOLDINGS LLC, West Monroe: LAG537100, minor, term to 2027-11-30
- L&R UTILITIES, INC - SOUTHERN PINES STP, Calhoun: LA0127349, minor, term to 2024-02-28
- MAGNOLIA WATER UTILITY OPERATING COMPANY LLC - WESTLAKES SUBDIVISION, West Monroe: LA0127376, minor, term to 2030-06-30
- SOUTHERN DELTA ENTERPRISES INC., West Monroe: LAR10K714, minor, term to 2020-03-28
- SS15 LLC - LION STOP NO 2, West Monroe: LAG830375, minor, term to 2028-03-31
- THE LAND OF CHENIERE, LLC DIRT PIT, West Monroe: LAR05Q264, minor, term to 2026-10-26
- USA TRUCKSTOP INC, Calhoun: LA0093149, minor, term to 2024-06-30
Identity
| Facility | WEST OUACHITA INDUSTRIAL PARK S.T.P. |
|---|---|
| Permittee | West Ouachita Industrial District - West Ouachita Industrial Park STP |
| NPDES ID | LA0038351 |
| Status | Administratively continued |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Program | Publicly owned treatment works |
| Issued | July 31, 2015 |
| Expires | August 31, 2020 |
| Address | West Monroe, LA 71294 |
| Receiving water | 8E |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | North Cheniere Creek (HUC 080402070102) |
| SIC | 4952 – Sewerage Systems |
NPDES LA0038351: effluent limits and exceedances
WEST OUACHITA INDUSTRIAL PARK S.T.P. (NPDES LA0038351): 8 pollutants on file, 8 limited; 8 with a violation of any kind, 7 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 179 | 170 | December 31, 2025 | 167,239,168% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 6 | 82 | 73 | October 31, 2020 | 570% over the limit |
| Nitrogen, ammonia total [as N] | 6 | 33 | 24 | March 31, 2018 | 327% over the limit |
| Copper, total [as Cu] | 2 | 18 | 16 | March 31, 2026 | 473% over the limit |
| Coliform, fecal general | 4 | 15 | 9 | January 31, 2018 | 9,150% over the limit |
| pH | 4 | 7 | 1 | March 31, 2017 | |
| Oil and grease | 2 | 4 | 1 | July 31, 2018 | 47% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 6 | 0 |
NPDES LA0038351: inspections, violations and enforcement
NPDES LA0038351: 1 informal enforcement action
| Date | What EPA recorded | Agency |
|---|---|---|
| May 4, 2026 | Phone Call/ EMAIL | State |
NPDES LA0038351 (WEST OUACHITA INDUSTRIAL PARK S.T.P.): no single-event violation, inspection and formal enforcement action on file.
Watch NPDES LA0038351
NPDES LA0038351: one email when its EPA record changes — $99/month.
Permits near NPDES LA0038351
NPDES LA0038351: 8 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.