Total reported releases
Total reported releases at John Twitty Energy Center have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
John Twitty Energy Center
Total reported releases 760k lb more than doubled year over year (+167%). Total releases concentrations have more than doubled since 2010.
5100 W FARM RD 164, Springfield, Missouri · 221112 · Electric Utilities · operated by City Utilities Of Springfield Mo
Anomaly engine
Notable Signals
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) at John Twitty Energy Center have more than doubled since 2011 (through 2024).
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) releases at John Twitty Energy Center rose from 176k lb to 628k lb (3.6×) between 2023 and 2024.
Chemicals reported · most recent year
What This Facility Releases
Barium compounds (except for barium sulfate (CAS No. 7727-43-7))
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) concentrations have more than doubled since 2011.
Ammonia
Ammonia concentrations have more than doubled since 2010.
Hydrogen fluoride
Hydrogen fluoride concentrations are roughly unchanged from 2010.
Vanadium compounds
Vanadium compounds concentrations have fallen 47% since 2011.
Copper compounds
Copper compounds concentrations have fallen 32% since 2013.
Manganese compounds
Manganese compounds concentrations have fallen 39% since 2013.
Lead compounds
Lead compounds concentrations have more than doubled since 2010.
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) concentrations have fallen 45% since 2018.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (22 Census block groups, population-weighted demographics): a population of 29,393. Why we surface this →
27.2%
Low-income
15.5%
People of color
6.7%
Under age 5
15.8%
Over age 64
Source: Census ACS 2018-2022 block-group demographics, population-weighted across the 3-mile buffer around this facility (from USEPA-clone/EJAM-open blockgroupstats). 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.