Facility profile
Steel Dynamics Heartland
Unknown across 1 of the last 12 quarters, with $500 in recorded penalties.
Noncompliance quarters
1
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$500
Recorded enforcement amount carried into the facility page.
Last inspection
2026-03-11
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are higher in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 649 lbs | 0 lbs | 0 lbs | 649 lbs |
| 2023 | 596 lbs | 0 lbs | 0 lbs | 596 lbs |
| 2024 | 4,856 lbs | 0 lbs | 0 lbs | 4,856 lbs |
Chemical breakdown
What this facility is reporting
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1, 2, 4-Trimethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Certain glycol ethers
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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n-Butyl alcohol
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Xylene (mixed isomers)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Naphthalene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Cumene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Ethylbenzene
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Chromium compounds (except for chromite ore mined in the Transvaal Region)
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Lead
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
Enforcement layer
Why the ECHO-style detail matters
Unknown across 1 of the last 12 quarters, with $500 in recorded penalties.