Clean Water Act discharge permit · NPDES MS0024660
MARKS POTW, Marks, MS: NPDES MS0024660 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
MARKS POTW holds NPDES permit MS0024660, which discharges to Coldwater River. EPA’s file records it issued October 28, 2019 and expiring September 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MARKS POTW |
|---|---|
| Permittee as filed | MARKS POTW |
| NPDES ID | MS0024660 |
| 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 28, 2019 |
| Expiration date | September 30, 2024 |
| Issuing agency | MDEQ |
| Address | Marks, MS 38646 |
| Receiving water | COLDWATER RIVER |
| Program components on file | POTW, Pretreatment |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 46 | 6 | December 31, 2020 | 150% over the limit |
| Solids, suspended percent removal | 1 | 9 | 5 | December 31, 2024 | 66% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 72 | 4 | December 31, 2020 | 44% over the limit |
| BOD, 5-day, percent removal | 1 | 12 | 4 | December 31, 2024 | 29% over the limit |
| Coliform, fecal general | 0 | 30 | 2 | December 31, 2004 | 760% over the limit |
| pH | 2 | 18 | 2 | December 31, 2005 | |
| Solids, total suspended | 8 | 73 | 1 | December 31, 2019 | 44% over the limit |
| E. coli | 2 | 3 | 1 | December 31, 2021 | 35% over the limit |
| Nitrogen, total [as N] | 8 | 20 | 0 | ||
| Phosphorus, total [as P] | 8 | 20 | 0 | ||
| Chlorine, total residual | 2 | 17 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 13 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 8 | 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 |
|---|---|---|
| October 1, 2024 | Permit Violations - Discharge Without a Valid Permit | ST6 |
| July 12, 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 MS0024660 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.