Hydrogen sulfide
Hydrogen sulfide at Simmons Foods have more than three-quarters since 2012 (through 2024).
TRI facility · TRI 2024 reporting year
Simmons Foods
Total reported releases 89k lb rose modestly year over year (+10%). Total releases concentrations have fallen 20% since 2010.
10700 S STATE HWY 43, South West City, Missouri · 311615 · Food · operated by Simmons Foods INC
Anomaly engine
Notable Signals
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) at Simmons Foods have more than halved since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Ammonia
Ammonia concentrations have more than doubled since 2010.
Nitrate compounds (water dissociable; reportable only when in aqueous solution)
Nitrate compounds (water dissociable; reportable only when in aqueous solution) concentrations have more than halved since 2010.
Peracetic acid
Peracetic acid concentrations are up 88% since 2016.
Hydrogen sulfide
Hydrogen sulfide concentrations have more than halved since 2012.
Chlorine
Chlorine concentrations are roughly unchanged from 2014.
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 1,317. Why we surface this →
60.9%
Low-income
66.1%
People of color
11.2%
Under age 5
6.6%
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.