Facility profile
San Miguel Electric Plant
Significant noncompliance across 10 of the last 12 quarters, with $66,975 in recorded penalties.
Noncompliance quarters
10
Counted from the imported ECHO record over the last 12 quarters.
Penalties
$66,975
Recorded enforcement amount carried into the facility page.
Last inspection
2025-11-25
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 | 153,154 lbs | 0 lbs | 3,400,704 lbs | 3,553,858 lbs |
| 2023 | 76,340 lbs | 0 lbs | 2,359,645 lbs | 2,435,985 lbs |
| 2024 | 67,156 lbs | 0 lbs | 2,518,510 lbs | 2,585,666 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 compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Vanadium compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Zinc compounds
Latest 2024 TRI data shows land 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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Lead compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Copper compounds
Latest 2024 TRI data shows land 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 land as the largest reported pathway for this chemical at the facility.
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Arsenic compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Nickel compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Mercury compounds
Latest 2024 TRI data shows land as the largest reported pathway for this chemical at the facility.
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Chlorine
Latest 2024 TRI data shows air as the largest reported pathway for this chemical at the facility.
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n-Hexane
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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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 noncompliance across 10 of the last 12 quarters, with $66,975 in recorded penalties.