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Facility profile

Ameren Missouri Sioux Energy Center

No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.

No Violation Identified Electric Utilities TRI + Clean Air Act + Clean Water Act + RCRA 110064610292 St Charles County
Noncompliance quarters
3

Counted from the imported ECHO record over the last 12 quarters.

Penalties
$0

Recorded enforcement amount carried into the facility page.

Last inspection
2026-01-16

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 145,656 lbs 238 lbs 650,827 lbs 796,721 lbs
2023 84,475 lbs 251 lbs 544,545 lbs 629,272 lbs
2024 84,786 lbs 229 lbs 511,681 lbs 596,696 lbs
Chemical breakdown

What this facility is reporting

Enforcement layer

Why the ECHO-style detail matters

No Violation Identified across 3 of the last 12 quarters in the imported ECHO record.

No Violation Identified Last recorded inspection: 2026-01-16.