Total reported releases 979k lb fell modestly year over year (-6%). Total releases concentrations have fallen 39% since 2010.
5693 HWY F, Clifton Hill, Missouri · 221112 · Electric Utilities · operated by Associated Electric Cooperative INC
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) at Thomas Hill Energy Center have more than halved since 2010 (through 2024).
Barium And Barium Compounds concentrations have fallen 39% since 2010.
Hydrogen fluoride concentrations have fallen 26% since 2010.
Ammonia concentrations have more than halved since 2011.
Vanadium compounds concentrations have fallen 20% since 2010.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have more than halved since 2010.
Copper And Copper Compounds concentrations have more than halved since 2010.
Manganese And Manganese Compounds concentrations have more than halved since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 44% since 2010.
Randolph County County, MO (no Census block groups within 3 miles — falling back to containing county): a population of 24,652. Why we surface this →
Low-income
People of color
Under age 5
Over age 64
Source: Census ACS 2018-2022 (5-year), county-level fallback. Indicator-level percentile and EJ-disparity scores are surfaced on the county page and the state page — they describe wider regional exposure burdens, not effects attributable to a single facility.
Source. EPA Toxics Release Inventory · retrieved 2026-05-07. Reporting year 2024. TRI is a federal public-domain dataset under 17 USC §105.
What this is not. TRI quantifies releases reported by the facility under EPCRA §313 — not ambient air or water concentrations measured at receptors. We do not attribute individual health outcomes to specific facilities; that exceeds what the data can support.