Velarion Records

Clean Water Act discharge permit · NPDES MS0042323

TUNICA POTW, Tunica, MS: NPDES MS0042323 discharge permit, effluent exceedances, inspections, penalties

TUNICA POTW holds NPDES permit MS0042323, which discharges to Dir Into Ditch Then White Oak Bayou. EPA’s file records it issued June 13, 2017 and expiring May 31, 2022. 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 filedTUNICA POTW
Permittee as filedTUNICA POTW
NPDES IDMS0042323
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJune 13, 2017
Expiration dateMay 31, 2022
Issuing agencyMDEQ
AddressTunica, MS 38676
Receiving waterDIR INTO DITCH THEN WHITE OAK BAYOU
Program components on filePOTW, Pretreatment
NAICS221320 – Sewage Treatment Facilities
SIC4952 – 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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended89414December 31, 2024370% over the limit
BOD, 5-day, 20 deg. C89212December 31, 20241,622% over the limit
Flow, in conduit or thru treatment plant23212December 31, 2025195% over the limit
Chlorine, total residual2299December 31, 20241,627% over the limit
Nitrogen, total [as N]12626December 31, 2024309% over the limit
Solids, suspended percent removal1166December 31, 202575% over the limit
Coliform, fecal general0182December 31, 20161,400% over the limit
E. coli2162December 31, 2024207% over the limit
Phosphorus, total [as P]12571December 31, 202439% over the limit
Oxygen demand, ult., percent removal011December 31, 200989% over the limit
Nitrogen, ammonia total [as N]8680
pH2200
Oxygen, dissolved [DO]1180
BOD, 5-day, percent removal1100

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MS0042323.

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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How we handle your data → Privacy

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 MS0042323 there.

Nearby on the register

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

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