Clean Water Act discharge permit · NPDES MS0061182
SCUA. SOUTH STONE COUNTY WWTF, Mchenry, MS: NPDES MS0061182 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
SCUA. SOUTH STONE COUNTY WWTF, held by STONE COUNTY UTILITY AUTHORITY, SOUTH STONE COUNTY WWTF, holds NPDES permit MS0061182, which discharges to Saucier Creek. EPA’s file records it issued July 15, 2019 and expiring June 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 | SCUA. SOUTH STONE COUNTY WWTF |
|---|---|
| Permittee as filed | STONE COUNTY UTILITY AUTHORITY, SOUTH STONE COUNTY WWTF |
| NPDES ID | MS0061182 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 15, 2019 |
| Expiration date | June 30, 2024 |
| Issuing agency | MDEQ |
| Address | Mchenry, MS 39561 |
| Receiving water | SAUCIER CREEK |
| 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
- 10With 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 | 145 | 33 | February 29, 2020 | 1,250% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 141 | 21 | February 29, 2020 | 1,530% over the limit |
| Oxygen, dissolved [DO] | 3 | 62 | 17 | March 31, 2026 | 35% over the limit |
| Solids, total suspended | 8 | 133 | 13 | February 29, 2020 | 810% over the limit |
| Coliform, fecal general | 0 | 39 | 11 | June 30, 2019 | 7,900% over the limit |
| Solids, suspended percent removal | 1 | 24 | 10 | July 31, 2025 | 315% over the limit |
| pH | 4 | 40 | 8 | December 31, 2025 | |
| BOD, 5-day, percent removal | 1 | 20 | 6 | February 29, 2020 | 323% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 30 | 2 | August 31, 2016 | 163% over the limit |
| E. coli | 2 | 2 | 2 | January 31, 2023 | 147% over the limit |
| Sludge settleability 30 minute | 2 | 28 | 0 | ||
| Nitrogen, total [as N] | 8 | 16 | 0 | ||
| Phosphorus, total [as P] | 8 | 16 | 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 MS0061182.
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, MS0061182.
Start the watch
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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 MS0061182 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.