Hydrogen fluoride
Hydrogen fluoride at American Electric Power Welsh Plant have more than halved since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
American Electric Power Welsh Plant
Total reported releases 822k lb rose meaningfully year over year (+20%). Total releases concentrations have fallen 26% since 2010.
1187 COUNTY ROAD 1120, Pittsburg, Texas · 221112 · Electric Utilities · operated by American Electric Power
Anomaly engine
Notable Signals
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 are roughly unchanged from 2010.
Manganese compounds
Manganese compounds concentrations are up 10% since 2010.
Hydrogen fluoride
Hydrogen fluoride concentrations have more than halved 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 36% since 2010.
Copper compounds
Copper compounds concentrations have fallen 11% since 2010.
Vanadium compounds
Vanadium compounds concentrations have more than halved since 2010.
Zinc compounds
Zinc compounds concentrations have fallen 41% since 2010.
Nickel compounds
Nickel compounds concentrations have fallen 39% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (1 Census block groups, population-weighted demographics): a population of 1,690. Why we surface this →
41.0%
Low-income
47.9%
People of color
1.8%
Under age 5
25.3%
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.