Clean Water Act discharge permit · NPDES IN0031071
IAW - SHERIDAN WWTP, Sheridan, IN: NPDES IN0031071 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 23Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
IAW - SHERIDAN WWTP holds NPDES permit IN0031071, which discharges to Cicero Cr Via Symons Creek. EPA’s file records it issued March 29, 2017 and expiring September 30, 2022. 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 | IAW - SHERIDAN WWTP |
|---|---|
| Permittee as filed | IAW - SHERIDAN WWTP |
| NPDES ID | IN0031071 |
| 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 | March 29, 2017 |
| Expiration date | September 30, 2022 |
| Issuing agency | IDEM |
| Address | Sheridan, IN 46069 |
| Receiving water | CICERO CR VIA SYMONS CREEK |
| Subwatershed | Teter Branch-Little Cicero Creek (HUC 051202010607) |
| Program components on file | POTW, Pretreatment |
| 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
- 24Pollutants on file
- 23Under a numeric limit
- 10With a violation of any kind
- 4With 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] | 8 | 10 | 2 | January 31, 2013 | 19% over the limit |
| Phosphorus, total percent removal | 1 | 4 | 2 | April 30, 2001 | 397% over the limit |
| Chlorine, total residual | 4 | 2 | 2 | October 31, 2000 | 1,117% over the limit |
| Phosphorus, total [as P] | 1 | 3 | 1 | June 30, 2000 | 62% over the limit |
| Solids, total suspended | 8 | 8 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 5 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 3 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 2 | 0 | ||
| E. coli, colony forming units [CFU] | 3 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 3 | 0 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 3 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 3 | 0 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 3 | 0 | 0 | ||
| Copper, dry weight | 2 | 0 | 0 | ||
| Cadmium, dry weight | 2 | 0 | 0 | ||
| Number of Events | 2 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 2 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 2 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 2 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 2 | 0 | 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 IN0031071.
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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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 IN0031071 there.
Nearby on the register
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- Every permit record in Sheridan, A to Z
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.