Clean Water Act discharge permit · NPDES MS0000167
ENTERGY MISSISSIPPI INC, BAXTER WILSON PLANT, Vicksburg, MS: NPDES MS0000167 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 17Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
ENTERGY MISSISSIPPI INC, BAXTER WILSON PLANT holds NPDES permit MS0000167, which discharges to Mississippi River. EPA’s file records it issued April 12, 2018 and expiring March 31, 2023. 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.
Identity
| Facility as filed | ENTERGY MISSISSIPPI INC, BAXTER WILSON PLANT |
|---|---|
| Permittee as filed | ENTERGY MISSISSIPPI INC, BAXTER WILSON PLANT |
| NPDES ID | MS0000167 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 12, 2018 |
| Expiration date | March 31, 2023 |
| Issuing agency | MDEQ |
| Address | Vicksburg, MS 39180 |
| Receiving water | MISSISSIPPI RIVER |
| Subwatershed | Hennesseys Bayou (HUC 080601000103) |
| Other EPA IDs (FRS) | RCRA handler MSD991277021 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 19Pollutants on file
- 17Under a numeric limit
- 16With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Iron, total recoverable | 2 | 5 | 5 | February 28, 2011 | 60% over the limit |
| E. coli | 2 | 3 | 3 | December 31, 2020 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 2 | 2 | December 31, 2014 | 69% over the limit |
| Oil & grease [freon extr.-IR meth] tot, RC | 0 | 2 | 2 | August 31, 2004 | 110% over the limit |
| pH | 12 | 5 | 1 | August 31, 2020 | |
| pH range excursions, > 60 minutes | 3 | 3 | 1 | August 31, 2020 | 2,147,483,650% over the limit |
| pH range excursions, monthly total accum | 3 | 10 | 0 | ||
| Flow, in conduit or thru treatment plant | 12 | 6 | 0 | ||
| Chlorine, free available | 4 | 4 | 0 | ||
| Sludge settleability 30 minute | 2 | 4 | 0 | ||
| Temp. diff. between intake and discharge | 4 | 3 | 0 | ||
| Oil & Grease | 6 | 2 | 0 | ||
| Chlorine, total residual | 5 | 2 | 0 | ||
| Chlorination duration | 2 | 2 | 0 | ||
| Coliform, fecal general | 0 | 2 | 0 | ||
| Solids, total suspended | 8 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| Copper, total recoverable | 2 | 0 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 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 MS0000167.
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.
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 MS0000167 there.
Nearby on the register
- Discharge permits in Vicksburg
- Every permit record in Vicksburg, A to Z
- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.