Clean Water Act discharge permit · NPDES MS0052221
SENATOBIA POTW, Senatobia, MS: NPDES MS0052221 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
SENATOBIA POTW holds NPDES permit MS0052221, which discharges to Hickahala Creek. EPA’s file records it issued June 30, 2017 and expiring May 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 | SENATOBIA POTW |
|---|---|
| Permittee as filed | SENATOBIA POTW |
| NPDES ID | MS0052221 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 30, 2017 |
| Expiration date | May 31, 2022 |
| Issuing agency | MDEQ |
| Address | Senatobia, MS 38668 |
| Receiving water | HICKAHALA CREEK |
| Subwatershed | Senatobia Creek-Hickahala Creek (HUC 080302040406) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 15Pollutants on file
- 12Under a numeric limit
- 15With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| E. coli | 2 | 45 | 45 | March 31, 2026 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 43 | 31 | January 31, 2026 | 592% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 42 | 30 | February 28, 2026 | 857% over the limit |
| Solids, suspended percent removal | 1 | 13 | 12 | July 31, 2026 | 560% over the limit |
| Oxygen, dissolved [DO] | 3 | 14 | 11 | May 31, 2025 | 17% over the limit |
| Solids, total suspended | 8 | 18 | 10 | November 30, 2025 | 570% over the limit |
| Coliform, fecal general | 0 | 5 | 3 | May 31, 2016 | 1,900% over the limit |
| pH | 2 | 3 | 1 | February 29, 2024 | |
| Nitrogen, total [as N] | 8 | 12 | 0 | ||
| Phosphorus, total [as P] | 8 | 12 | 0 | ||
| Zinc, total recoverable | 0 | 4 | 0 | ||
| Copper, total recoverable | 0 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Sludge settleability 30 minute | 2 | 2 | 0 | ||
| BOD, 5-day, percent removal | 1 | 1 | 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 MS0052221.
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, MS0052221.
Start the watch
- 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 MS0052221 there.
Nearby on the register
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- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.