Clean Water Act discharge permit · NPDES IN0059021
STEEL DYNAMICS INC - FLAT ROLL GROUP, BUTLER DIVISION, Butler, IN: NPDES IN0059021 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 14Pollutants with an effluent exceedance
STEEL DYNAMICS INC - FLAT ROLL GROUP, BUTLER DIVISION, held by STEEL DYNAMICS, INC. - FLAT ROLL GROUP, BUTLER DIVISION, holds NPDES permit IN0059021, which discharges to St Joseph R Via Soloman Shank Ditch. EPA’s file records it issued March 20, 2019 and expiring March 31, 2024. 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 | STEEL DYNAMICS INC - FLAT ROLL GROUP, BUTLER DIVISION |
|---|---|
| Permittee as filed | STEEL DYNAMICS, INC. - FLAT ROLL GROUP, BUTLER DIVISION |
| NPDES ID | IN0059021 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 20, 2019 |
| Expiration date | March 31, 2024 |
| Issuing agency | IDEM |
| Address | Butler, IN 46721 |
| Receiving water | ST JOSEPH R VIA SOLOMAN SHANK DITCH |
| Subwatershed | Hoodelmier Ditch-Saint Joseph River (HUC 041000030506) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 27Pollutants on file
- 18Under a numeric limit
- 27With 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 |
|---|---|---|---|---|---|
| pH | 6 | 109 | 93 | June 30, 2026 | |
| Lead, total recoverable | 4 | 63 | 37 | April 30, 2008 | 7,509% over the limit |
| Zinc, total recoverable | 12 | 56 | 28 | April 30, 2026 | 3,217% over the limit |
| Aluminum, total recoverable | 0 | 32 | 28 | November 30, 2002 | 1,975% over the limit |
| Sulfate, total [as SO4] | 4 | 53 | 25 | June 30, 2008 | 456% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 2 | 43 | 12 | June 30, 2008 | 868% over the limit |
| Toxicity [chronic], Ceriodaphnia dubia | 4 | 19 | 10 | January 31, 2026 | 733% over the limit |
| Solids, total suspended | 10 | 58 | 7 | April 30, 2008 | 482% over the limit |
| Chlorine, total residual | 0 | 25 | 5 | March 31, 2004 | 17,400% over the limit |
| Oil and grease, hexane extr method | 10 | 9 | 3 | February 29, 2024 | 210% over the limit |
| Oil & Grease | 0 | 27 | 2 | September 30, 2003 | 70% over the limit |
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 4 | 12 | 2 | August 31, 2019 | 100% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 2 | 2 | October 31, 2014 | 84% over the limit |
| Toxicity [chronic], Pimephales promelas [Fathead Minnow] | 4 | 11 | 1 | August 31, 2019 | 99,999% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 22 | 0 | ||
| Flow, total | 2 | 16 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 16 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 11 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 11 | 0 | ||
| Phosphorus, total [as P] | 2 | 11 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 11 | 0 | ||
| Toxicity [acute], Ceriodaphnia dubia | 4 | 9 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 8 | 0 | ||
| Chromium, total recoverable | 0 | 8 | 0 | ||
| Iron, total recoverable | 0 | 6 | 0 | ||
| Chromium, total [as Cr] | 0 | 4 | 0 | ||
| Storm water flow | 2 | 3 | 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 IN0059021.
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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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.