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NPDES IN0021385 · Clean Water Act

KNOX MUNICIPAL WWTP, Knox, IN: NPDES IN0021385 discharge permit, effluent exceedances, inspections, penalties

KNOX MUNICIPAL WWTP, Knox, Indiana: Individual permit IN0021385; Publicly owned treatment works; Administratively continued; issued September 29, 2017, term to December 31, 2022, by IDEM; discharges to UM/KANKAKEE RIVER/YELLOW RIVER.

2 of the 11 pollutants listed for NPDES IN0021385 have no violation or effluent exceedance.

  • Solids, suspended percent removal: 0 limits, 25 violations of any kind, 25 effluent exceedances, latest December 31, 2009, largest 480% over the limit.
  • E. coli, colony forming units [CFU]: 3 limits, 22 violations of any kind, 22 effluent exceedances, latest October 31, 2019, largest 26,794% over the limit.
  • Solids, total suspended: 4 limits, 20 violations of any kind, 16 effluent exceedances, latest February 28, 2018, largest 257% over the limit.
  • E. coli, MTEC-MF: 0 limits, 3 violations of any kind, 3 effluent exceedances, latest April 30, 2001, largest 99,999% over the limit.
  • Nitrogen, ammonia total [as N]: 4 limits, 2 violations of any kind, 2 effluent exceedances, latest April 30, 2019, largest 90% over the limit.
  • pH: 2 limits, 4 violations of any kind, 1 effluent exceedance, latest January 31, 1999.
  • BOD, carbonaceous [5 day, 20 C]: 4 limits, 4 violations of any kind.
  • Flow, in conduit or thru treatment plant: 1 limit, 2 violations of any kind.
  • Flow, wastewater by-passing trtmnt plant: 0 limits, 1 violation of any kind.
  • Number of Events: 2 limits.
  • Flow, total: 1 limit.

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 127 were issued before IN0021385.

Coverages issued nearest IN0021385

KNOX MUNICIPAL WWTP among its neighbors

8 discharge permits are in the Cavanaugh Ditch-Yellow River subwatershed (HUC 071200010506); IN0021385 is one. Its county: 12, 0 major; IN0021385 is minor permit.

Other permits in the Cavanaugh Ditch-Yellow River subwatershed (HUC 071200010506)

Identity

FacilityKNOX MUNICIPAL WWTP
PermitteeKNOX MUNICIPAL WWTP
NPDES IDIN0021385
StatusAdministratively continued
TypeIndividual permit
ClassMinor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedSeptember 29, 2017
ExpiresDecember 31, 2022
AgencyIDEM
AddressKnox, IN 46534
Receiving waterUM/KANKAKEE RIVER/YELLOW RIVER
Receiving water impaired303(D) Listed
SubwatershedCavanaugh Ditch-Yellow River (HUC 071200010506)
Program components on fileCSO, POTW, Pretreatment
SIC4952 – Sewerage Systems

NPDES IN0021385: effluent limits and exceedances

KNOX MUNICIPAL WWTP (NPDES IN0021385): 11 pollutants on file, 8 limited; 9 with a violation of any kind, 6 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, suspended percent removal02525December 31, 2009480% over the limit
E. coli, colony forming units [CFU]32222October 31, 201926,794% over the limit
Solids, total suspended42016February 28, 2018257% over the limit
E. coli, MTEC-MF033April 30, 200199,999% over the limit
Nitrogen, ammonia total [as N]422April 30, 201990% over the limit
pH241January 31, 1999
BOD, carbonaceous [5 day, 20 C]440
Flow, in conduit or thru treatment plant120
Flow, wastewater by-passing trtmnt plant010
Number of Events200
Flow, total100

NPDES IN0021385: inspections, violations and enforcement

NPDES IN0021385 (KNOX MUNICIPAL WWTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IN0021385

NPDES IN0021385: 11 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.