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NPDES MSP092068 · Clean Water Act

OLIN WINCHESTER LLC, Oxford, MS: NPDES MSP092068 discharge permit, effluent exceedances, inspections, penalties

OLIN WINCHESTER LLC, Oxford, Mississippi: Individual industrial user permit MSP092068, held by OLIN WINCHESTER LLC; Effective; issued January 7, 2019, term to December 31, 2023, by MDEQ; discharges to MS0029017 - OXFORD POTW; Small Arms Ammunition Manufacturing.

  • Lead, total recoverable: 4 limits, 6 violations of any kind, 2 effluent exceedances, latest July 31, 2005, largest 74% over the limit.
  • Silver total recoverable: 4 limits, 8 violations of any kind.
  • Cadmium, total recoverable: 4 limits, 8 violations of any kind.
  • Chromium, total recoverable: 4 limits, 8 violations of any kind.
  • Nickel, total recoverable: 4 limits, 4 violations of any kind.
  • Zinc, total recoverable: 4 limits, 4 violations of any kind.
  • Copper, total recoverable: 4 limits, 4 violations of any kind.
  • Cyanide, total recoverable: 4 limits, 4 violations of any kind.
  • pH: 2 limits, 2 violations of any kind.
  • Flow, in conduit or thru treatment plant: 2 limits, 2 violations of any kind.

OLIN WINCHESTER LLC among its neighbors

Its county: 69, 1 major; MSP092068 is minor permit.

Other permits in the county

Identity

FacilityOLIN WINCHESTER LLC
PermitteeOLIN WINCHESTER LLC
NPDES IDMSP092068
StatusEffective
TypeIndividual industrial user permit
ClassMinor
Facility typeNon-POTW
IssuedJanuary 7, 2019
ExpiresDecember 31, 2023
AgencyMDEQ
AddressOxford, MS 38655
Receiving waterMS0029017 - OXFORD POTW
NAICS332992 – Small Arms Ammunition Manufacturing
SIC3482 – Small Arms Ammunition
Other EPA IDs (FRS)RCRA handler MSD053796736; ICIS-AIR source MS0000002807100029

NPDES MSP092068: effluent limits and exceedances

OLIN WINCHESTER LLC (NPDES MSP092068): 10 pollutants on file, 10 limited; 10 with a violation of any kind, 1 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Lead, total recoverable462July 31, 200574% over the limit
Silver total recoverable480
Cadmium, total recoverable480
Chromium, total recoverable480
Nickel, total recoverable440
Zinc, total recoverable440
Copper, total recoverable440
Cyanide, total recoverable440
pH220
Flow, in conduit or thru treatment plant220

NPDES MSP092068: inspections, violations and enforcement

NPDES MSP092068 (OLIN WINCHESTER LLC): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES MSP092068

NPDES MSP092068: 10 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.