Clean Water Act discharge permit · NPDES IN0024554
SULLIVAN WWTP, Sullivan, IN: NPDES IN0024554 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
SULLIVAN WWTP, held by SULLIVAN MUNICIPAL WWTP, holds NPDES permit IN0024554, which discharges to Busseron Cr Via Buck Creek Trib. EPA’s file records it issued February 18, 2021 and expiring March 31, 2026. 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 | SULLIVAN WWTP |
|---|---|
| Permittee as filed | SULLIVAN MUNICIPAL WWTP |
| NPDES ID | IN0024554 |
| 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 | February 18, 2021 |
| Expiration date | March 31, 2026 |
| Issuing agency | IDEM |
| Address | Sullivan, IN 47882 |
| Receiving water | BUSSERON CR VIA BUCK CREEK TRIB |
| Subwatershed | Morrison Creek-Busseron Creek (HUC 051201111508) |
| Program components on file | Biosolids, CSO, POTW, Pretreatment |
| 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
- 37Pollutants on file
- 30Under a numeric limit
- 36With a violation of any kind
- 14With 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 | 61 | 55 | June 30, 2025 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 53 | 33 | June 30, 2023 | 563% over the limit |
| Phosphorus, total [as P] | 2 | 34 | 31 | January 31, 2020 | 900% over the limit |
| pH | 2 | 37 | 25 | December 31, 2025 | |
| BOD, 5-day, 20 deg. C | 0 | 37 | 21 | June 30, 2007 | 640% over the limit |
| Solids, total suspended | 8 | 35 | 9 | December 31, 2022 | 158% over the limit |
| Oxygen, dissolved [DO] | 2 | 16 | 9 | July 31, 2022 | 43% over the limit |
| Chlorine, total residual | 0 | 8 | 8 | October 31, 2006 | 1,400% over the limit |
| Cyanide, free [amenable to chlorination] | 2 | 37 | 5 | October 31, 2016 | 133% over the limit |
| E. coli, MTEC-MF | 0 | 5 | 5 | June 30, 2001 | 2,453% over the limit |
| Lead, total recoverable | 2 | 13 | 3 | May 31, 2019 | 67% over the limit |
| Noel Statre 7Day Chronic Pimephales | 0 | 2 | 2 | February 29, 2000 | 50% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 3 | 5 | 1 | March 31, 2020 | 1,030% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 2 | 1 | February 29, 2000 | 50% over the limit |
| Precipitation, monthly accumulation | 5 | 16 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 8 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 10 | 0 | ||
| Duration | 5 | 9 | 0 | ||
| Overflow volume [SS0 volume, CSO volume] | 5 | 9 | 0 | ||
| Copper, total recoverable | 7 | 8 | 0 | ||
| Discharge event observation [Visual Monitoring] | 5 | 8 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 3 | 4 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 3 | 4 | 0 | ||
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 3 | 4 | 0 | ||
| Nitrogen, total [as N] | 2 | 4 | 0 | ||
| Copper, dry weight | 2 | 4 | 0 | ||
| Cadmium, dry weight | 2 | 4 | 0 | ||
| Number of Events | 2 | 4 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 2 | 4 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 2 | 4 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 2 | 4 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 2 | 4 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 2 | 4 | 0 | ||
| Flow, total | 1 | 2 | 0 | ||
| LC50 Static Renewal 48Hr Acute Ceriodaphnia dubia | 0 | 1 | 0 | ||
| LC50 Static Renewal 96Hr Acute Pimephales promelas | 0 | 1 | 0 | ||
| Cyanide, free [as free] | 2 | 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 IN0024554.
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.
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Nearby on the register
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- Every permit record in Indiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.