NPDES MS0057606 · Clean Water Act
ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION, French Camp, MS: NPDES MS0057606 discharge permit, effluent exceedances, inspections, penalties
ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION, French Camp, Mississippi: Individual permit MS0057606; Effective; issued August 15, 2018, term to July 31, 2023, by MDEQ; discharges to BY OPEN DITCH INTO POPLAR CREEK; Fossil Fuel Electric Power Generation.
2 of the 14 pollutants listed for NPDES MS0057606 have no violation or effluent exceedance.
- Nitrogen, ammonia total [as N]: 4 limits, 13 violations of any kind, 9 effluent exceedances, latest July 31, 2026, largest 145% over the limit.
- Solids, total suspended: 6 limits, 13 violations of any kind, 5 effluent exceedances, latest July 31, 2008, largest 501% over the limit.
- Oil & grease [freon extr.-IR meth] tot, RC: 0 limits, 7 violations of any kind, 3 effluent exceedances, latest April 30, 2005, largest 204% over the limit.
- BOD, 5-day, 20 deg. C: 0 limits, 3 violations of any kind, 3 effluent exceedances, latest June 30, 2008, largest 590% over the limit.
- BOD, carbonaceous [5 day, 20 C]: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 2025, largest 144% over the limit.
- Coliform, fecal general: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2003, largest 200% over the limit.
- Oil & Grease: 6 limits, 4 violations of any kind.
- Flow, in conduit or thru treatment plant: 6 limits, 2 violations of any kind.
- pH: 4 limits, 2 violations of any kind.
- Temperature, water deg. fahrenheit: 2 limits, 2 violations of any kind.
- Chlorine, total residual: 2 limits, 2 violations of any kind.
- Oxygen, dissolved [DO]: 1 limit, 2 violations of any kind.
- Solids, total dissolved: 4 limits.
- E. coli: 2 limits.
- October 23, 2026: Letter of Violation/ Warning Letter (State).
ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION among its neighbors
2 discharge permits are in the Elkins Creek-Poplar Creek subwatershed (HUC 080602010401); MS0057606 is one. Its county: 18, 1 major; MS0057606 is major permit.
Other permits in the Elkins Creek-Poplar Creek subwatershed (HUC 080602010401)
- FRENCH CAMP POTW, French Camp: MS0044075, minor, term to 2024-12-31
Identity
| Facility | ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION |
|---|---|
| Permittee | ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION |
| NPDES ID | MS0057606 |
| Status | Effective |
| Type | Individual permit |
| Class | Major |
| Facility type | Non-POTW |
| Issued | August 15, 2018 |
| Expires | July 31, 2023 |
| Agency | MDEQ |
| Address | French Camp, MS 39745 |
| Receiving water | BY OPEN DITCH INTO POPLAR CREEK |
| Subwatershed | Elkins Creek-Poplar Creek (HUC 080602010401) |
| NAICS | 221112 – Fossil Fuel Electric Power Generation |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler MSR000101055; ICIS-AIR source MS0000002801900018 |
NPDES MS0057606: effluent limits and exceedances
ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION (NPDES MS0057606): 14 pollutants on file, 11 limited; 12 with a violation of any kind, 6 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 4 | 13 | 9 | July 31, 2026 | 145% over the limit |
| Solids, total suspended | 6 | 13 | 5 | July 31, 2008 | 501% over the limit |
| Oil & grease [freon extr.-IR meth] tot, RC | 0 | 7 | 3 | April 30, 2005 | 204% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 3 | 3 | June 30, 2008 | 590% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 2 | 2 | April 30, 2025 | 144% over the limit |
| Coliform, fecal general | 0 | 2 | 2 | June 30, 2003 | 200% over the limit |
| Oil & Grease | 6 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 2 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 2 | 0 | ||
| Chlorine, total residual | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Solids, total dissolved | 4 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 |
NPDES MS0057606: inspections, violations and enforcement
NPDES MS0057606: 1 informal enforcement action
| Date | What EPA recorded | Agency |
|---|---|---|
| October 23, 2026 | Letter of Violation/ Warning Letter | State |
NPDES MS0057606 (ENTERGY MISSISSIPPI LLC, CHOCTAW COUNTY GENERATING STATION): no single-event violation, inspection and formal enforcement action on file.
Watch NPDES MS0057606
NPDES MS0057606: one email when its EPA record changes — $99/month.
Permits near NPDES MS0057606
NPDES MS0057606: 14 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.