Clean Water Act discharge permit · NPDES MS0056146
TWELVE OAKS ESTATES SUBDIVISION, Oxford, MS: NPDES MS0056146 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
TWELVE OAKS ESTATES SUBDIVISION, held by GREAT RIVER UTILITY OPERATING CO LLC, TWELVE OAKS ESTATES SUBDIVISION, holds NPDES permit MS0056146, which discharges to Unnamed Trib Then Berry Branch. EPA’s file records it issued June 28, 2019 and expiring May 31, 2024. 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 | TWELVE OAKS ESTATES SUBDIVISION |
|---|---|
| Permittee as filed | GREAT RIVER UTILITY OPERATING CO LLC, TWELVE OAKS ESTATES SUBDIVISION |
| NPDES ID | MS0056146 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | June 28, 2019 |
| Expiration date | May 31, 2024 |
| Issuing agency | MDEQ |
| Address | Oxford, MS 38655 |
| Receiving water | UNNAMED TRIB THEN BERRY BRANCH |
| Subwatershed | Toby Tubby Creek (HUC 080302010903) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 4With a violation of any kind
- 3With 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 | 4 | 6 | 6 | December 31, 2022 | 230% over the limit |
| E. coli | 2 | 4 | 4 | December 31, 2022 | 99,999% over the limit |
| Chlorine, total residual | 2 | 2 | 2 | December 31, 2022 | 100% over the limit |
| pH | 2 | 2 | 0 | ||
| Solids, total suspended | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 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 MS0056146.
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, MS0056146.
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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 MS0056146 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.