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Clean Water Act discharge permit · NPDES IN0020907

ROSSVILLE WWTP, Rossville, IN: NPDES IN0020907 discharge permit, effluent exceedances, inspections, penalties

ROSSVILLE WWTP, held by ROSSVILLE WWTP, TOWN OF, holds NPDES permit IN0020907, which discharges to Wildcat Cr Via Silverthorn Ditch. EPA’s file records it issued August 27, 2020 and expiring October 31, 2025.

ROSSVILLE WWTP, Rossville, Indiana: Individual permit IN0020907, held by ROSSVILLE WWTP, TOWN OF; Publicly owned treatment works; Administratively continued (past its expiration date and still in force until reissued); issued August 27, 2020, term to October 31, 2025, by IDEM; discharges to WILDCAT CR VIA SILVERTHORN DITCH.

  • E. coli, colony forming units [CFU]: 5 limits, 38 violations of any kind, 25 effluent exceedances, latest July 31, 2026, largest 1,836% over the limit.
  • Nitrogen, ammonia total [as N]: 8 limits, 136 violations of any kind, 20 effluent exceedances, latest May 31, 2021, largest 278% over the limit.
  • Chlorine, total residual: 6 limits, 75 violations of any kind, 12 effluent exceedances, latest April 30, 2023, largest 567% over the limit.
  • Solids, total suspended: 6 limits, 128 violations of any kind, 8 effluent exceedances, latest January 31, 2019, largest 380% over the limit.
  • Oxygen, dissolved [DO]: 2 limits, 31 violations of any kind, 3 effluent exceedances, latest August 31, 2001, largest 13% over the limit.
  • BOD, carbonaceous [5 day, 20 C]: 6 limits, 119 violations of any kind, 0 effluent exceedances.
  • Flow, in conduit or thru treatment plant: 4 limits, 66 violations of any kind, 0 effluent exceedances.
  • pH: 4 limits, 63 violations of any kind, 0 effluent exceedances.
  • Flow, total: 2 limits, 8 violations of any kind, 0 effluent exceedances.
  • Number of Events: 2 limits, 3 violations of any kind, 0 effluent exceedances.
  • September 9, 2026: Evaluation (S).
  • March 18, 2026: Reconnaissance without Sampling (S).
  • March 18, 2026: Evaluation (S).

Indiana holds 541 Publicly owned treatment works coverages of this permit type in EPA’s file; 447 were issued before IN0020907.

Coverages issued nearest IN0020907

ROSSVILLE WWTP among its neighbors

EPA’s permit file holds 3 discharge permits in the Campbells Run subwatershed (HUC 051201070203), IN0020907 among them. Its county holds 27, 1 of them major permits; IN0020907 is a minor permit.

Other permits in the Campbells Run subwatershed (HUC 051201070203)

Identity

Facility as filedROSSVILLE WWTP
Permittee as filedROSSVILLE WWTP, TOWN OF
NPDES IDIN0020907
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedAugust 27, 2020
Expiration dateOctober 31, 2025
Issuing agencyIDEM
AddressRossville, IN 46065
Receiving waterWILDCAT CR VIA SILVERTHORN DITCH
SubwatershedCampbells Run (HUC 051201070203)
SIC4952 – Sewerage Systems

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
E. coli, colony forming units [CFU]53825July 31, 20261,836% over the limit
Nitrogen, ammonia total [as N]813620May 31, 2021278% over the limit
Chlorine, total residual67512April 30, 2023567% over the limit
Solids, total suspended61288January 31, 2019380% over the limit
Oxygen, dissolved [DO]2313August 31, 200113% over the limit
BOD, carbonaceous [5 day, 20 C]61190
Flow, in conduit or thru treatment plant4660
pH4630
Flow, total280
Number of Events230

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0020907.

Inspections

DateWhat EPA recordedAgency
September 9, 2026EvaluationS
March 18, 2026Reconnaissance without SamplingS
March 18, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IN0020907.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act NPDES permit IN0020907 for ROSSVILLE WWTP in Rossville, IN, held by ROSSVILLE WWTP, TOWN OF, and lists its status as administratively continued with a Minor discharger class. The figures listed are 10 pollutants under a numeric limit and 5 pollutants with an effluent exceedance.