Facility profile
Northern Indiana Public Service Company Llc - Michigan City Generating Station
Significant Violation across 12 of the last 12 quarters, with $5,250 in recorded penalties.
Noncompliance quarters
12
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$5,250
Recorded enforcement amount carried into the facility page.
Last inspection
2025-08-11
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 | 3,021 lbs | 3,267 lbs | 0 lbs | 6,288 lbs |
| 2023 | 3,102 lbs | 3,552 lbs | 0 lbs | 6,654 lbs |
| 2024 | 28,999 lbs | 4,777 lbs | 0 lbs | 33,775 lbs |
Chemical breakdown
What this facility is reporting
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Ammonia
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Zinc compounds
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Manganese compounds
Latest 2024 TRI data shows water 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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Copper compounds
Latest 2024 TRI data shows water as the largest reported pathway for this chemical at the facility.
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Hydrogen fluoride
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 water as the largest reported pathway for this chemical at the facility.
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Vanadium compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Sulfuric 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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Mercury compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Lead compounds
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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Dioxin and dioxin-like compounds
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
Significant Violation across 12 of the last 12 quarters, with $5,250 in recorded penalties.