WINDFALL WWTP, Windfall, IN: NPDES IN0040762 discharge permit, effluent exceedances, inspections, penalties

WINDFALL WWTP, Windfall, Indiana: Individual permit IN0040762; Publicly owned treatment works; Administratively continued; issued May 24, 2018, term to August 31, 2023, by IDEM; discharges to OR/WABASH/WILDCAT/ROUND PRAIRIE DCH; Sewage Treatment Facilities.

1 of the 11 pollutants listed for NPDES IN0040762 have no violation or effluent exceedance.

• Solids, total suspended: 4 limits, 178 violations of any kind, 150 effluent exceedances, latest June 30, 2026, largest 695% over the limit.
• BOD, carbonaceous [5 day, 20 C]: 4 limits, 68 violations of any kind, 40 effluent exceedances, latest July 31, 2026, largest 295% over the limit.
• Nitrogen, ammonia total [as N]: 8 limits, 65 violations of any kind, 33 effluent exceedances, latest May 31, 2026, largest 410% over the limit.
• Oxygen, dissolved [DO]: 2 limits, 20 violations of any kind, 14 effluent exceedances, latest July 31, 2026, largest 99,999% over the limit.
• E. coli, colony forming units [CFU]: 3 limits, 19 violations of any kind, 14 effluent exceedances, latest October 31, 2025, largest 99,999% over the limit.
• Chlorine, total residual: 0 limits, 8 violations of any kind, 7 effluent exceedances, latest July 31, 2001, largest 567% over the limit.
• pH: 2 limits, 18 violations of any kind, 6 effluent exceedances, latest July 31, 2019.
• Flow, in conduit or thru treatment plant: 1 limit, 13 violations of any kind.
• Flow, wastewater by-passing trtmnt plant: 0 limits, 4 violations of any kind.
• Flow, total: 1 limit, 1 violation of any kind.
• Number of Events: 2 limits.

• July 22, 2026: Management Practice Violations - Inflow/Infiltration (I/I) (ST6).
• July 22, 2026: Management Practice Violations - Failure to Conduct Inspections (ST6).
• July 22, 2026: Management Practice Violations - Best Management Practice Deficiencies (ST6).
• July 22, 2026: Management Practice Violations - Failure to Develop/Enforce Standards (ST6).
• July 22, 2026: Monitoring Violations - Frequency of Sampling Violation (ST6).
• July 22, 2026: Management Practice Violations - Failure to Maintain Records (ST6).
• July 22, 2026: Monitoring Violations - Invalid/Unrepresentative Sample (ST6).
• July 22, 2026: Effluent Violations - Numeric effluent violation (ST6).
• July 22, 2026: Evaluation (S).
• July 22, 2026: Notice of Noncompliance Issued (State).

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 186 were issued before IN0040762.

Coverages issued nearest IN0040762

• 2018-05-24: SCHERERVILLE WWTP, Schererville: IN0024457, held by SCHERERVILLE WASTEWATER TREATMENT PLANT
• 2018-05-24: WASHINGTON WWTP, Washington: IN0025658
• 2018-05-24: MORGANTOWN WWTP, Morgantown: IN0036820, held by MORGANTOWN WWTP
• 2018-05-24: DENVER WWTP, Denver: IN0039934
• 2018-05-24: FOUNTAIN CITY WWTP, Fountain City: IN0040029
• 2018-05-24: SOUTH CENTRAL INDIANA RSD STINESVILLE WWTP, Stinesville: IN0050105, held by SOUTH CENTRAL INDIANA RSD - STINESVILLE WWTP
• 2018-05-24: STILESVILLE WWTP, Stilesville: IN0059986
• 2018-05-24: GLENWOOD WWTP, Rush County: IN0061778
• 2018-05-24: NEW PALESTINE NORTH UTILITY WWTP, New Palestine: IN0061859
• 2018-05-24: LAURAMIE TOWNSHIP RSD WWTP, Stockwell: IN0061964

WINDFALL WWTP among its neighbors

1 discharge permits are in the Round Prairie Ditch-Turkey Creek subwatershed (HUC 051201070103); IN0040762 is one. Its county: 15, 1 major; IN0040762 is minor permit.