Clean Water Act discharge permit · NPDES MS0023779
WESSON POTW, Wesson, MS: NPDES MS0023779 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
WESSON POTW holds NPDES permit MS0023779, which discharges to Directly Into Dye Branch. EPA’s file records it issued November 9, 2018 and expiring October 31, 2023. 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 | WESSON POTW |
|---|---|
| Permittee as filed | WESSON POTW |
| NPDES ID | MS0023779 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | November 9, 2018 |
| Expiration date | October 31, 2023 |
| Issuing agency | MDEQ |
| Address | Wesson, MS 39191 |
| Receiving water | DIRECTLY INTO DYE BRANCH |
| Subwatershed | Wesson Lake-Dye Branch (HUC 080602030201) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 11Under a numeric limit
- 14With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 448 | 108 | December 31, 2022 | 1,650% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 378 | 34 | December 31, 2022 | 450% over the limit |
| Solids, suspended percent removal | 1 | 63 | 19 | March 31, 2022 | 920% over the limit |
| Solids, total suspended | 8 | 352 | 8 | March 31, 2018 | 63% over the limit |
| BOD, 5-day, percent removal | 1 | 51 | 7 | March 31, 2022 | 561% over the limit |
| Coliform, fecal general | 0 | 36 | 5 | June 30, 2016 | 1,450% over the limit |
| pH | 2 | 89 | 3 | June 30, 2006 | |
| Oxygen, dissolved [DO] | 3 | 132 | 2 | June 30, 2004 | 40% over the limit |
| Chlorine, total residual | 2 | 88 | 2 | June 30, 2004 | 536% over the limit |
| Sludge settleability 30 minute | 2 | 89 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 87 | 0 | ||
| E. coli | 2 | 56 | 0 | ||
| Nitrogen, total [as N] | 0 | 48 | 0 | ||
| Phosphorus, total [as P] | 0 | 48 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 25, 2022 | Effluent Violations - Numeric effluent violation | ST6 |
| June 24, 2021 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| June 24, 2021 | Effluent Violations - Numeric effluent violation | ST6 |
| June 24, 2021 | Monitoring Violations - Improper Analysis or Lab Error | ST6 |
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
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, MS0023779.
Start the watch
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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 MS0023779 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.