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NPDES MS0023744 · Clean Water Act

UNION POTW, Union, MS: NPDES MS0023744 discharge permit, effluent exceedances, inspections, penalties

UNION POTW, Union, Mississippi: Individual permit MS0023744; Publicly owned treatment works; Administratively continued; issued December 20, 2017, term to November 30, 2022, by MDEQ; discharges to CHUNKY CREEK.

  • BOD, 5-day, 20 deg. C: 4 limits, 26 violations of any kind, 22 effluent exceedances, latest December 31, 2024, largest 210% over the limit.
  • Nitrogen, ammonia total [as N]: 4 limits, 21 violations of any kind, 17 effluent exceedances, latest December 31, 2023, largest 510% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 7 violations of any kind, 5 effluent exceedances, latest December 31, 2022, largest 44% over the limit.
  • Oxygen, dissolved [DO]: 1 limit, 6 violations of any kind, 5 effluent exceedances, latest December 31, 2019, largest 60% over the limit.
  • E. coli: 2 limits, 5 violations of any kind, 5 effluent exceedances, latest December 31, 2023, largest 1,821% over the limit.
  • Solids, total suspended: 4 limits, 8 violations of any kind, 4 effluent exceedances, latest December 31, 2016, largest 80% over the limit.
  • pH: 2 limits, 5 violations of any kind, 3 effluent exceedances, latest December 31, 2020.
  • Solids, suspended percent removal: 1 limit, 4 violations of any kind, 3 effluent exceedances, latest December 31, 2008, largest 367% over the limit.
  • Coliform, fecal general: 0 limits, 6 violations of any kind, 2 effluent exceedances, latest December 31, 2004, largest 50% over the limit.
  • BOD, 5-day, percent removal: 1 limit, 3 violations of any kind, 2 effluent exceedances, latest December 31, 2020, largest 80% over the limit.
  • Nitrogen, total [as N]: 0 limits, 4 violations of any kind.
  • Phosphorus, total [as P]: 0 limits, 4 violations of any kind.
  • Chlorine, total residual: 2 limits, 2 violations of any kind.

Mississippi holds 336 Publicly owned treatment works coverages of this permit type in EPA’s file; 131 were issued before MS0023744.

Coverages issued nearest MS0023744

UNION POTW among its neighbors

3 discharge permits are in the Huckleberry Creek-Chunky Creek subwatershed (HUC 031700010301); MS0023744 is one. Its county: 29, 0 major; MS0023744 is minor permit.

Other permits in the Huckleberry Creek-Chunky Creek subwatershed (HUC 031700010301)

Identity

FacilityUNION POTW
PermitteeUNION POTW
NPDES IDMS0023744
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedDecember 20, 2017
ExpiresNovember 30, 2022
AgencyMDEQ
AddressUnion, MS 39365
Receiving waterCHUNKY CREEK
Receiving water impaired303(D) Listed
SubwatershedHuckleberry Creek-Chunky Creek (HUC 031700010301)

NPDES MS0023744: effluent limits and exceedances

UNION POTW (NPDES MS0023744): 13 pollutants on file, 10 limited; 13 with a violation of any kind, 10 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
BOD, 5-day, 20 deg. C42622December 31, 2024210% over the limit
Nitrogen, ammonia total [as N]42117December 31, 2023510% over the limit
Flow, in conduit or thru treatment plant275December 31, 202244% over the limit
Oxygen, dissolved [DO]165December 31, 201960% over the limit
E. coli255December 31, 20231,821% over the limit
Solids, total suspended484December 31, 201680% over the limit
pH253December 31, 2020
Solids, suspended percent removal143December 31, 2008367% over the limit
Coliform, fecal general062December 31, 200450% over the limit
BOD, 5-day, percent removal132December 31, 202080% over the limit
Nitrogen, total [as N]040
Phosphorus, total [as P]040
Chlorine, total residual220

NPDES MS0023744: inspections, violations and enforcement

NPDES MS0023744 (UNION POTW): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES MS0023744

NPDES MS0023744: 13 pollutant rows, 0 dated events; ICIS-NPDES download, loaded September 15, 2026.