Hydrogen sulfide
Hydrogen sulfide at P4 Production LLC have more than three-quarters since 2012 (through 2024).
TRI facility · TRI 2024 reporting year
P4 Production LLC
Total reported releases 4.4M lb rose modestly year over year (+11%). Total releases concentrations have fallen 14% since 2010.
1853 HWY 34, Soda Springs, Idaho · 325180 · Chemicals · operated by Bayer US Holding LP
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Zinc compounds
Zinc compounds concentrations have fallen 22% since 2010.
Vanadium compounds
Vanadium compounds concentrations are up 13% since 2010.
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region)
Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) concentrations are roughly unchanged from 2010.
Cadmium And Cadmium Compounds
Cadmium And Cadmium Compounds concentrations have fallen 29% since 2010.
Manganese And Manganese Compounds
Manganese And Manganese Compounds concentrations are roughly unchanged from 2010.
Copper And Copper Compounds
Copper And Copper Compounds concentrations are up 88% since 2010.
Selenium And Selenium Compounds
Selenium And Selenium Compounds concentrations have fallen 41% since 2010.
Nickel And Nickel Compounds
Nickel And Nickel Compounds concentrations are up 24% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Caribou County County, ID (no Census block groups within 3 miles — falling back to containing county): a population of 7,058. Why we surface this →
6.7%
Low-income
10.7%
People of color
6.7%
Under age 5
17.0%
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.