Clean Water Act discharge permit · NPDES IN0021644
SALEM WWTP, Salem, IN: NPDES IN0021644 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
SALEM WWTP holds NPDES permit IN0021644, which discharges to Or/West Fork Of Blue River. EPA’s file records it issued July 10, 2018 and expiring July 31, 2023. 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 | SALEM WWTP |
|---|---|
| Permittee as filed | SALEM WWTP |
| NPDES ID | IN0021644 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 10, 2018 |
| Expiration date | July 31, 2023 |
| Issuing agency | IDEM |
| Address | Salem, IN 47167 |
| Receiving water | OR/WEST FORK OF BLUE RIVER |
| Subwatershed | Jackson Creek-Clear Creek (HUC 051202080801) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 28Pollutants on file
- 26Under a numeric limit
- 20With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 167 | 148 | May 31, 2026 | 289% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 107 | 89 | June 30, 2026 | 935% over the limit |
| Chlorine, total residual | 2 | 43 | 39 | June 30, 1997 | 900% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 4 | 34 | 16 | February 28, 2025 | 57% over the limit |
| pH | 2 | 7 | 1 | September 30, 2007 | |
| Noel Statre 7Day Chronic Pimephales | 0 | 1 | 1 | April 30, 2010 | 49% over the limit |
| Flow, in conduit or thru treatment plant | 1 | 9 | 0 | ||
| Phosphorus, total [as P] | 5 | 3 | 0 | ||
| Flow, wastewater by-passing trtmnt plant | 0 | 3 | 0 | ||
| Nitrogen, total [as N] | 4 | 2 | 0 | ||
| Toxicity [chronic], Ceriodaphnia dubia | 3 | 1 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 3 | 1 | 0 | ||
| Copper, dry weight | 2 | 1 | 0 | ||
| Cadmium, dry weight | 2 | 1 | 0 | ||
| Number of Events | 2 | 1 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 1 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 2 | 1 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 2 | 1 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 2 | 1 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 2 | 1 | 0 | ||
| Chloride [as Cl] | 4 | 0 | 0 | ||
| E. coli, colony forming units [CFU] | 3 | 0 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 3 | 0 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 3 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Sulfate, total [as SO4] | 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 IN0021644.
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 IN0021644 there.
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.