Clean Water Act discharge permit · NPDES IN0040355
MICHIGANTOWN WWTP, Michigantown, IN: NPDES IN0040355 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
MICHIGANTOWN WWTP holds NPDES permit IN0040355, which discharges to Wildcat Cr S Fk To Wabash River. EPA’s file records it issued June 20, 2018 and expiring June 30, 2023. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MICHIGANTOWN WWTP |
|---|---|
| Permittee as filed | MICHIGANTOWN WWTP |
| NPDES ID | IN0040355 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 20, 2018 |
| Expiration date | June 30, 2023 |
| Issuing agency | IDEM |
| Address | Michigantown, IN 46057 |
| Receiving water | WILDCAT CR S FK TO WABASH RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Jenkins Ditch-South Fork Wildcat Creek (HUC 051201070308) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 14Pollutants on file
- 13Under a numeric limit
- 13With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 10 | 58 | 50 | November 30, 2020 | 1,733% over the limit |
| Solids, total suspended | 10 | 22 | 14 | February 28, 2022 | 1,037% over the limit |
| Phosphorus, total [as P] | 4 | 12 | 9 | April 30, 2020 | 214% over the limit |
| Chlorine, total residual | 16 | 16 | 8 | July 31, 2026 | 200% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 10 | 14 | 6 | February 29, 2020 | 367% over the limit |
| E. coli, colony forming units [CFU] | 6 | 9 | 4 | May 31, 2017 | 684% over the limit |
| pH | 4 | 8 | 4 | December 31, 2025 | |
| Dilution factor | 1 | 2 | 1 | December 31, 2009 | 300% over the limit |
| Flow, in conduit or thru treatment plant | 3 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 2 | 0 | ||
| Number of Events | 2 | 2 | 0 | ||
| Streamflow | 1 | 2 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 1 | 0 | ||
| Flow, total | 1 | 0 | 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 IN0040355.
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
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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 IN0040355 there.
Nearby on the register
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- Every permit record in Michigantown, A to Z
- Discharge permits in Indiana
- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.