Clean Water Act discharge permit · NPDES MS0035564
MAYERSVILLE POTW, Mayersville, MS: NPDES MS0035564 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MAYERSVILLE POTW holds NPDES permit MS0035564, which discharges to Mississippi River. EPA’s file records it issued October 8, 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 | MAYERSVILLE POTW |
|---|---|
| Permittee as filed | MAYERSVILLE POTW |
| NPDES ID | MS0035564 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 8, 2019 |
| Expiration date | September 30, 2024 |
| Issuing agency | MDEQ |
| Address | Mayersville, MS 39113 |
| Receiving water | MISSISSIPPI 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
- 19Pollutants on file
- 10Under a numeric limit
- 19With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 8 | 88 | 0 | ||
| Solids, total suspended | 8 | 88 | 0 | ||
| Nitrogen, total [as N] | 8 | 32 | 0 | ||
| Phosphorus, total [as P] | 8 | 32 | 0 | ||
| Coliform, fecal general | 0 | 24 | 0 | ||
| pH | 2 | 22 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 22 | 0 | ||
| Chlorine, total residual | 1 | 18 | 0 | ||
| BOD, 5-day, percent removal | 1 | 11 | 0 | ||
| Solids, suspended percent removal | 1 | 9 | 0 | ||
| E. coli | 2 | 8 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 4 | 0 | ||
| Oil & Grease | 0 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 4 | 0 | ||
| Nitrogen, nitrite total [as N] | 0 | 4 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 4 | 0 | ||
| Phosphorous, total recoverable | 0 | 4 | 0 | ||
| Solids, total dissolved | 0 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MS0035564.
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 MS0035564.
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, MS0035564.
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- One watershed — $2,990/year
- One state — $4,990/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 MS0035564 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.