Barium And Barium Compounds
Barium And Barium Compounds releases at Pacificorp Wyodak Plant rose from 430k lb to 701k lb between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Pacificorp Wyodak Plant
Total reported releases 796k lb rose sharply year over year (+42%). Total releases concentrations have fallen 44% since 2010.
48 WYODAK RD, Gillette, Wyoming · 221112 · Electric Utilities · operated by Berkshire Hathaway INC
Anomaly engine
Notable Signals
N090
N090 releases at Pacificorp Wyodak Plant fell from 20k lb to 0 lb (100% lower) between 2023 and 2024.
Vanadium compounds
Vanadium compounds at Pacificorp Wyodak Plant have more than halved since 2010 (through 2024).
Copper And Copper Compounds
Copper And Copper Compounds at Pacificorp Wyodak Plant have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Barium And Barium Compounds
Barium And Barium Compounds concentrations have fallen 34% since 2010.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations have fallen 41% since 2010.
Vanadium compounds
Vanadium compounds concentrations have more than halved since 2010.
Copper And Copper Compounds
Copper And Copper Compounds concentrations have more than halved since 2010.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have fallen 40% 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 more than doubled since 2010.
Hydrogen fluoride
Hydrogen fluoride concentrations have more than halved since 2010.
Mercury And Mercury Compounds
Mercury And Mercury Compounds concentrations have fallen 29% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (2 Census block groups, population-weighted demographics): a population of 3,802. Why we surface this →
20.0%
Low-income
16.0%
People of color
3.8%
Under age 5
17.2%
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.