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NPDES TNG110100 · Clean Water Act

IMI-TN, INC. - WEST NASHVILLE, Nashville, TN: NPDES TNG110100 discharge permit, effluent exceedances, inspections, penalties

IMI-TN, INC. - WEST NASHVILLE, Nashville, Tennessee: General permit coverage TNG110100, held by imi Tennessee, Inc.; Administratively continued; issued November 7, 2017, term to October 31, 2022, by TDEC - DWR; discharges to Cumberland-Lower-Sycamore (Cheatham Lake).

  • Solids, total suspended: 1 limit, 12 violations of any kind, 8 effluent exceedances, latest December 31, 2024, largest 390% over the limit.
  • pH: 2 limits, 12 violations of any kind, 2 effluent exceedances, latest September 30, 2024.
  • Iron, total [as Fe]: 1 limit, 4 violations of any kind.
  • Flow, in conduit or thru treatment plant: 1 limit, 4 violations of any kind.
  • July 2, 2018: Effluent Violations - Unauthorized Discharge (ST6).
  • July 2, 2018: Permit Violations - Violation Specified in Comment (ST6).
  • June 20, 2017: Permit Violations - Violation Specified in Comment (ST6).
  • June 20, 2017: Effluent Violations - Unauthorized Discharge (ST6).

Other permits held by imi Tennessee, Inc.

IMI-TN, INC. - WEST NASHVILLE among its neighbors

96 discharge permits are in the Richland Creek subwatershed (HUC 051302020304); TNG110100 is one. Its county: 1,363, 5 major; TNG110100 is minor permit.

Other permits in the Richland Creek subwatershed (HUC 051302020304)

Identity

FacilityIMI-TN, INC. - WEST NASHVILLE
Permitteeimi Tennessee, Inc.
NPDES IDTNG110100
StatusAdministratively continued
TypeGeneral permit coverage
ClassMinor
Facility typeNon-POTW
IssuedNovember 7, 2017
ExpiresOctober 31, 2022
AgencyTDEC - DWR
AddressNashville, TN 37209
Receiving waterCumberland-Lower-Sycamore (Cheatham Lake)
Receiving water impaired303(D) Listed
SubwatershedRichland Creek (HUC 051302020304)
Other EPA IDs (FRS)ICIS-AIR source TNNDC0004703700100

NPDES TNG110100: effluent limits and exceedances

IMI-TN, INC. - WEST NASHVILLE (NPDES TNG110100): 4 pollutants on file, 4 limited; 4 with a violation of any kind, 2 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, total suspended1128December 31, 2024390% over the limit
pH2122September 30, 2024
Iron, total [as Fe]140
Flow, in conduit or thru treatment plant140

NPDES TNG110100: inspections, violations and enforcement

NPDES TNG110100: 4 single-event violations

DateWhat EPA recordedAgency
July 2, 2018Effluent Violations - Unauthorized DischargeST6
July 2, 2018Permit Violations - Violation Specified in CommentST6
June 20, 2017Permit Violations - Violation Specified in CommentST6
June 20, 2017Effluent Violations - Unauthorized DischargeST6

NPDES TNG110100 (IMI-TN, INC. - WEST NASHVILLE): no inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES TNG110100

NPDES TNG110100: 4 pollutant rows, 4 dated events; ICIS-NPDES download, loaded September 15, 2026.