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 (October 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)
NAICS	237210 – Land Subdivision
SIC	6552 – Subdividers And Developers

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

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.

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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

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act discharge permit NPDES MS0056146 for TWELVE OAKS ESTATES SUBDIVISION in Oxford, MS, held by GREAT RIVER UTILITY OPERATING CO LLC, with a Minor Discharger class and an Effective permit status. The facts list 6 pollutants under a numeric limit, 3 of which show an effluent exceedance, with the permit recorded as issued June 28, 2019 and expiring May 31, 2024.