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NPDES IN0022438 · Clean Water Act

BOURBON WWTP, Bourbon, IN: NPDES IN0022438 discharge permit, effluent exceedances, inspections, penalties

BOURBON WWTP, Bourbon, Indiana: Individual permit IN0022438; Publicly owned treatment works; Administratively continued; issued April 18, 2019, term to October 31, 2024, by IDEM; discharges to TIPPECANOE R VIA BAKER DITCH.

1 of the 11 pollutants listed for NPDES IN0022438 have no violation or effluent exceedance.

  • BOD, carbonaceous [5 day, 20 C]: 2 limits, 14 violations of any kind, 10 effluent exceedances, latest July 31, 2016, largest 60% over the limit.
  • pH: 2 limits, 12 violations of any kind, 8 effluent exceedances, latest July 31, 2026.
  • Dilution factor: 1 limit, 6 violations of any kind, 5 effluent exceedances, latest June 30, 2025, largest 684% over the limit.
  • E. coli, colony forming units [CFU]: 3 limits, 4 violations of any kind, 3 effluent exceedances, latest May 31, 2011, largest 955% over the limit.
  • Nitrogen, ammonia total [as N]: 4 limits, 5 violations of any kind, 1 effluent exceedance, latest March 31, 2014, largest 2% over the limit.
  • Solids, total suspended: 2 limits, 5 violations of any kind, 1 effluent exceedance, latest March 31, 2007, largest 39% over the limit.
  • Flow, in conduit or thru treatment plant: 2 limits, 3 violations of any kind.
  • Streamflow: 1 limit, 2 violations of any kind.
  • Flow, total: 1 limit, 1 violation of any kind.
  • Oxygen, dissolved [DO]: 0 limits, 1 violation of any kind.
  • Number of Events: 2 limits.
  • August 10, 2026: Evaluation (S).

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 287 were issued before IN0022438.

Coverages issued nearest IN0022438

BOURBON WWTP among its neighbors

3 discharge permits are in the Clarence Baker Ditch-Tippecanoe River subwatershed (HUC 051201060405); IN0022438 is one. Its county: 50, 2 major; IN0022438 is minor permit.

Other permits in the Clarence Baker Ditch-Tippecanoe River subwatershed (HUC 051201060405)

Identity

FacilityBOURBON WWTP
PermitteeBOURBON WWTP
NPDES IDIN0022438
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedApril 18, 2019
ExpiresOctober 31, 2024
AgencyIDEM
AddressBourbon, IN 46504
Receiving waterTIPPECANOE R VIA BAKER DITCH
SubwatershedClarence Baker Ditch-Tippecanoe River (HUC 051201060405)
SIC4952 – Sewerage Systems

NPDES IN0022438: effluent limits and exceedances

BOURBON WWTP (NPDES IN0022438): 11 pollutants on file, 10 limited; 10 with a violation of any kind, 6 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
BOD, carbonaceous [5 day, 20 C]21410July 31, 201660% over the limit
pH2128July 31, 2026
Dilution factor165June 30, 2025684% over the limit
E. coli, colony forming units [CFU]343May 31, 2011955% over the limit
Nitrogen, ammonia total [as N]451March 31, 20142% over the limit
Solids, total suspended251March 31, 200739% over the limit
Flow, in conduit or thru treatment plant230
Streamflow120
Flow, total110
Oxygen, dissolved [DO]010
Number of Events200

NPDES IN0022438: inspections, violations and enforcement

NPDES IN0022438: 1 inspection

DateWhat EPA recordedAgency
August 10, 2026EvaluationS

NPDES IN0022438 (BOURBON WWTP): no single-event violation, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IN0022438

NPDES IN0022438: 11 pollutant rows, 1 dated events; ICIS-NPDES download, loaded October 14, 2026.