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NPDES IN0024741 · Clean Water Act

WABASH WWTP, Wabash, IN: NPDES IN0024741 discharge permit, effluent exceedances, inspections, penalties

WABASH WWTP, Wabash, Indiana: Individual permit IN0024741; Publicly owned treatment works; Administratively continued; issued February 4, 2021, term to February 28, 2026, by IDEM; discharges to WABASH RIVER.

1 of the 39 pollutants listed for NPDES IN0024741 have no violation or effluent exceedance.

  • Solids, total suspended: 4 limits, 55 violations of any kind, 39 effluent exceedances, latest April 30, 2026, largest 544% over the limit.
  • E. coli, colony forming units [CFU]: 3 limits, 23 violations of any kind, 23 effluent exceedances, latest April 30, 2026, largest 99,999% over the limit.
  • Nitrogen, ammonia total [as N]: 8 limits, 21 violations of any kind, 5 effluent exceedances, latest November 30, 2025, largest 118% over the limit.
  • Phosphorus, total [as P]: 2 limits, 2 violations of any kind, 2 effluent exceedances, latest October 31, 2023, largest 63% over the limit.
  • E. coli, MTEC-MF: 0 limits, 2 violations of any kind, 2 effluent exceedances, latest June 30, 2001, largest 184% over the limit.
  • Copper, total recoverable: 7 limits, 5 violations of any kind, 1 effluent exceedance, latest December 31, 2024, largest 35% over the limit.
  • Toxicity [chronic], Ceriodaphnia dubia: 3 limits, 3 violations of any kind, 1 effluent exceedance, latest February 28, 2021, largest 17% over the limit.
  • Toxicity [chronic], Pimephales promelas [Fathead Minnow]: 3 limits, 3 violations of any kind, 1 effluent exceedance, latest February 28, 2018, largest 377% over the limit.
  • LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest November 30, 2007, largest 19% over the limit.
  • NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia: 0 limits, 2 violations of any kind, 1 effluent exceedance, latest September 30, 1999, largest 67% over the limit.
  • Mercury, total recoverable: 4 limits, 1 violation of any kind, 1 effluent exceedance, latest October 31, 2014, largest 65% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 4 limits, 16 violations of any kind.
  • pH: 2 limits, 8 violations of any kind.
  • Flow, in conduit or thru treatment plant: 1 limit, 8 violations of any kind.
  • Cyanide, total [as CN]: 0 limits, 8 violations of any kind.
  • Cadmium, total [as Cd]: 0 limits, 8 violations of any kind.
  • Chromium, total [as Cr]: 0 limits, 8 violations of any kind.
  • Copper, total [as Cu]: 0 limits, 8 violations of any kind.
  • Lead, total [as Pb]: 0 limits, 8 violations of any kind.
  • Nickel, total [as Ni]: 0 limits, 8 violations of any kind.
  • Zinc, total [as Zn]: 0 limits, 8 violations of any kind.
  • Flow, total: 1 limit, 4 violations of any kind.
  • Nickel, total recoverable: 4 limits, 3 violations of any kind.
  • Zinc, total recoverable: 4 limits, 3 violations of any kind.
  • Cadmium, total recoverable: 4 limits, 3 violations of any kind.
  • Lead, total recoverable: 4 limits, 3 violations of any kind.
  • Chromium, total recoverable: 4 limits, 3 violations of any kind.
  • Overflow volume [SS0 volume, CSO volume]: 9 limits, 2 violations of any kind.
  • Cyanide, free [amenable to chlorination]: 4 limits, 2 violations of any kind.
  • Toxicity [acute], Ceriodaphnia dubia: 3 limits, 2 violations of any kind.
  • Toxicity [acute], Pimephales promelas [Fathead Minnow]: 3 limits, 2 violations of any kind.
  • Nitrogen, total [as N]: 2 limits, 2 violations of any kind.
  • LC50 Static Renewal 96Hr Acute Pimephales promelas: 0 limits, 2 violations of any kind.
  • Noel Statre 7Day Chronic Pimephales: 0 limits, 2 violations of any kind.
  • Duration: 9 limits, 1 violation of any kind.
  • Precipitation, monthly accumulation: 9 limits, 1 violation of any kind.
  • Discharge event observation [Visual Monitoring]: 9 limits, 1 violation of any kind.
  • Cyanide, free [as free]: 4 limits, 1 violation of any kind.
  • Number of Events: 2 limits.

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 503 were issued before IN0024741. WABASH WWTP holds 2 permits in Indiana.

Other permits held by WABASH WWTP

Coverages issued nearest IN0024741

WABASH WWTP among its neighbors

35 discharge permits are in the Kentner Creek subwatershed (HUC 051201011405); IN0024741 is one. Its county: 41, 2 major; IN0024741 is major permit.

Other permits in the Kentner Creek subwatershed (HUC 051201011405)

Identity

FacilityWABASH WWTP
PermitteeWABASH WWTP
NPDES IDIN0024741
StatusAdministratively continued
TypeIndividual permit
ClassMajor
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedFebruary 4, 2021
ExpiresFebruary 28, 2026
AgencyIDEM
AddressWabash, IN 46992
Receiving waterWABASH RIVER
Receiving water impaired303(D) Listed
SubwatershedKentner Creek (HUC 051201011405)
Program components on fileBiosolids, CSO, POTW, Pretreatment
SIC4952 – Sewerage Systems

NPDES IN0024741: effluent limits and exceedances

WABASH WWTP (NPDES IN0024741): 39 pollutants on file, 27 limited; 38 with a violation of any kind, 11 with an exceedance.

How exceedances are counted.

PollutantLimitsViolationsExceedancesLatestLargest, as filed
Solids, total suspended45539April 30, 2026544% over the limit
E. coli, colony forming units [CFU]32323April 30, 202699,999% over the limit
Nitrogen, ammonia total [as N]8215November 30, 2025118% over the limit
Phosphorus, total [as P]222October 31, 202363% over the limit
E. coli, MTEC-MF022June 30, 2001184% over the limit
Copper, total recoverable751December 31, 202435% over the limit
Toxicity [chronic], Ceriodaphnia dubia331February 28, 202117% over the limit
Toxicity [chronic], Pimephales promelas [Fathead Minnow]331February 28, 2018377% over the limit
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia021November 30, 200719% over the limit
NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia021September 30, 199967% over the limit
Mercury, total recoverable411October 31, 201465% over the limit
BOD, carbonaceous [5 day, 20 C]4160
pH280
Flow, in conduit or thru treatment plant180
Cyanide, total [as CN]080
Cadmium, total [as Cd]080
Chromium, total [as Cr]080
Copper, total [as Cu]080
Lead, total [as Pb]080
Nickel, total [as Ni]080
Zinc, total [as Zn]080
Flow, total140
Nickel, total recoverable430
Zinc, total recoverable430
Cadmium, total recoverable430
Lead, total recoverable430
Chromium, total recoverable430
Overflow volume [SS0 volume, CSO volume]920
Cyanide, free [amenable to chlorination]420
Toxicity [acute], Ceriodaphnia dubia320
Toxicity [acute], Pimephales promelas [Fathead Minnow]320
Nitrogen, total [as N]220
LC50 Static Renewal 96Hr Acute Pimephales promelas020
Noel Statre 7Day Chronic Pimephales020
Duration910
Precipitation, monthly accumulation910
Discharge event observation [Visual Monitoring]910
Cyanide, free [as free]410
Number of Events200

NPDES IN0024741: inspections, violations and enforcement

NPDES IN0024741 (WABASH WWTP): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.

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Permits near NPDES IN0024741

NPDES IN0024741: 39 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.