Clean Water Act discharge permit · NPDES MS0050750
MDOC, SOUTH MISSISSIPPI CORRECTIONAL INSTITUTION, Leakesville, MS: NPDES MS0050750 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
MDOC, SOUTH MISSISSIPPI CORRECTIONAL INSTITUTION, held by MISS DEPARTMENT OF CORRECTIONS, SOUTH MISS CORRECTIONAL INSTITUTION, holds NPDES permit MS0050750, which discharges to Martin Creek. EPA’s file records it issued August 17, 2020 and expiring July 31, 2025. 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 | MDOC, SOUTH MISSISSIPPI CORRECTIONAL INSTITUTION |
|---|---|
| Permittee as filed | MISS DEPARTMENT OF CORRECTIONS, SOUTH MISS CORRECTIONAL INSTITUTION |
| NPDES ID | MS0050750 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 17, 2020 |
| Expiration date | July 31, 2025 |
| Issuing agency | MDEQ |
| Address | Leakesville, MS 39451 |
| Receiving water | MARTIN CREEK |
| Subwatershed | Faulk Ditch-Chickasawhay River (HUC 031700030402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 13With a violation of any kind
- 10With 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 | 8 | 235 | 75 | June 30, 2026 | 5,650% over the limit |
| Solids, total suspended | 8 | 213 | 51 | March 31, 2026 | 487% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 96 | 45 | June 30, 2026 | 5,002% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 197 | 33 | June 30, 2026 | 820% over the limit |
| E. coli | 2 | 39 | 21 | June 30, 2026 | 1,821% over the limit |
| Coliform, fecal general | 0 | 59 | 17 | December 31, 2019 | 99,999% over the limit |
| pH | 4 | 140 | 12 | December 31, 2025 | |
| Solids, suspended percent removal | 1 | 20 | 11 | December 31, 2025 | 861% over the limit |
| Oxygen, dissolved [DO] | 3 | 103 | 5 | June 30, 2025 | 33% over the limit |
| BOD, 5-day, percent removal | 1 | 13 | 4 | December 31, 2025 | 126% over the limit |
| Nitrogen, total [as N] | 8 | 112 | 0 | ||
| Phosphorus, total [as P] | 8 | 112 | 0 | ||
| Sludge settleability 30 minute | 2 | 66 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 22, 2019 | Effluent Violations - Narrative Effluent Violation | ST6 |
| March 13, 2019 | Effluent Violations - Narrative Effluent Violation | ST6 |
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 MS0050750 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.