Total reported releases
Total reported releases at Sunnyside Cogeneration Associates have risen 77% since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Sunnyside Cogeneration Associates
Total reported releases 111k lb more than doubled year over year (+96%). Total releases concentrations are up 77% since 2010.
ONE POWER PLANT RD, Sunnyside, Utah · 221112 · Electric Utilities · operated by Sunnyside Cogeneration Associates
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
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 are roughly unchanged from 2010.
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)
Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Lead
Lead concentrations are up 11% since 2010.
Mercury
Mercury concentrations are up 18% since 2010.
Dioxin and dioxin-like compounds
Dioxin and dioxin-like compounds volumes here are too small to anchor a multi-year trend; YoY movement is still shown above.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Carbon County County, UT (no Census block groups within 3 miles — falling back to containing county): a population of 20,338. Why we surface this →
16.6%
Low-income
17.9%
People of color
7.8%
Under age 5
18.4%
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.