Clean Water Act discharge permit · NPDES IN0021024
WINCHESTER WWTP, Winchester, IN: NPDES IN0021024 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 23Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
WINCHESTER WWTP holds NPDES permit IN0021024, which discharges to W Fk White River. EPA’s file records it issued June 11, 2020 and expiring September 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WINCHESTER WWTP |
|---|---|
| Permittee as filed | WINCHESTER WWTP |
| NPDES ID | IN0021024 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 11, 2020 |
| Expiration date | September 30, 2025 |
| Issuing agency | IDEM |
| Address | Winchester, IN 47394 |
| Receiving water | W FK WHITE RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Peach Creek-White River (HUC 051202010102) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 27Pollutants on file
- 23Under a numeric limit
- 27With a violation of any kind
- 9With an effluent exceedance
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 measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| E. coli, colony forming units [CFU] | 3 | 38 | 31 | April 30, 2025 | 26,794% over the limit |
| Chlorine, total residual | 2 | 19 | 17 | October 31, 2025 | 1,400% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 2 | 5 | 4 | September 30, 2024 | 900% over the limit |
| pH | 2 | 8 | 3 | April 30, 2018 | |
| Solids, total suspended | 8 | 10 | 2 | November 30, 2013 | 23% over the limit |
| Solids, suspended percent removal | 0 | 2 | 2 | March 31, 2019 | 16% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 9 | 1 | November 30, 2012 | 3% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 8 | 9 | 1 | September 30, 2005 | 59% over the limit |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 2 | 2 | 1 | October 31, 2018 | 130% over the limit |
| Oxygen, dissolved [DO] | 2 | 4 | 0 | ||
| Number of Events | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 4 | 0 | ||
| Copper, dry weight | 2 | 2 | 0 | ||
| Cadmium, dry weight | 2 | 2 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 2 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 2 | 2 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 2 | 2 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 2 | 2 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 2 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 1 | 0 | ||
| Phosphorus, total [as P] | 2 | 1 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 2 | 1 | 0 | ||
| Flow, total | 1 | 1 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 1 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 1 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0021024.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, IN0021024.
Start the watch
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID IN0021024 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.