Clean Water Act discharge permit · NPDES MS0057649
CONEHATTA SCHOOL WASTEWATER TREATMENT PLANT, Conehatta, MS: NPDES MS0057649 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 14Pollutants under a numeric limit
- 12Pollutants with an effluent exceedance
CONEHATTA SCHOOL WASTEWATER TREATMENT PLANT, held by MS Band of Choctaw Indians - (Conehatta School WWTP), holds NPDES permit MS0057649, which discharges to Box Creek. EPA’s file records it issued October 16, 2017 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | CONEHATTA SCHOOL WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | MS Band of Choctaw Indians - (Conehatta School WWTP) |
| NPDES ID | MS0057649 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 16, 2017 |
| Expiration date | December 31, 2022 |
| Address | Conehatta, MS 39057 |
| Receiving water | BOX CREEK |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 14Under a numeric limit
- 16With a violation of any kind
- 12With 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 |
|---|---|---|---|---|---|
| Solids, suspended percent removal | 1 | 121 | 45 | September 30, 2025 | 99,999% over the limit |
| Chlorine, total residual | 1 | 109 | 26 | December 31, 2023 | 63,536% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 2 | 184 | 16 | January 31, 2019 | 99,999% over the limit |
| E. coli | 2 | 22 | 16 | April 30, 2026 | 99,999% over the limit |
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 2 | 181 | 12 | October 31, 2017 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 5 | 231 | 11 | October 31, 2025 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 79 | 11 | August 31, 2020 | 364% over the limit |
| Solids, total suspended | 3 | 237 | 8 | March 31, 2025 | 58% over the limit |
| Coliform, fecal general | 0 | 243 | 6 | August 31, 2008 | 59,900% over the limit |
| Oxygen, dissolved [DO] | 1 | 87 | 3 | May 31, 2025 | 100% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 7 | 2 | July 31, 2025 | 99,999% over the limit |
| pH | 2 | 169 | 1 | September 30, 2025 | |
| Flow, in conduit or thru treatment plant | 3 | 262 | 0 | ||
| Carbonaceous oxygen demand, % removal | 0 | 81 | 0 | ||
| Nitrogen, total [as N] | 2 | 4 | 0 | ||
| Phosphorus, total [as P] | 2 | 4 | 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 MS0057649.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MS0057649 there.
Nearby on the register
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- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.