Clean Water Act discharge permit · NPDES MS0047350
MANTACHIE POTW, Mantachie, MS: NPDES MS0047350 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MANTACHIE POTW holds NPDES permit MS0047350, which discharges to Mantachie Creek. EPA’s file records it issued April 13, 2016 and expiring March 31, 2021. 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 | MANTACHIE POTW |
|---|---|
| Permittee as filed | MANTACHIE POTW |
| NPDES ID | MS0047350 |
| 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 | April 13, 2016 |
| Expiration date | March 31, 2021 |
| Issuing agency | MDEQ |
| Address | Mantachie, MS 38855 |
| Receiving water | MANTACHIE CREEK |
| Subwatershed | Lower Mantachie Creek (HUC 031601010402) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 1 | 12 | 8 | July 31, 2026 | 50% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 6 | 3 | December 31, 2015 | 128% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 20 | 2 | December 31, 2014 | 42% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 13 | 2 | February 28, 2018 | 329% over the limit |
| Solids, suspended percent removal | 2 | 6 | 2 | April 30, 2017 | 43% over the limit |
| Solids, total suspended | 6 | 19 | 1 | December 31, 2014 | 9% over the limit |
| pH | 2 | 7 | 0 | ||
| BOD, 5-day, percent removal | 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 MS0047350.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MS0047350.
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- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MS0047350 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.