Facility profile
Black Hills Corp - Neil Simpson Complex
No Violation Identified. Last recorded ECHO inspection: 2024-04-24.
Noncompliance quarters
0
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$0
Recorded enforcement amount carried into the facility page.
Last inspection
2024-04-24
Displayed as plain language instead of hidden in agency exports.
Trend
Watch
Reported on-site releases are lower in 2024 than in 2022.
| Year | Air | Water | Land | Total |
|---|---|---|---|---|
| 2022 | 32,648 lbs | 44 lbs | 1,864,226 lbs | 1,896,918 lbs |
| 2023 | 32,491 lbs | 38 lbs | 1,492,616 lbs | 1,525,145 lbs |
| 2024 | 29,726 lbs | 0 lbs | 1,661,922 lbs | 1,691,648 lbs |
Chemical breakdown
What this facility is reporting
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Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Manganese
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Vanadium (except when contained in an alloy)
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Copper
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Zinc (fume or dust)
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Chromium
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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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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Nickel
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Lead
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Mercury
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
-
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
No Violation Identified. Last recorded ECHO inspection: 2024-04-24.