0000091203
0000091203 releases at Caterpillar INC Mapleton Plant fell from 24k lb to 0 lb (100% lower) between 2023 and 2024.
TRI facility · TRI 2024 reporting year
Caterpillar INC Mapleton Plant
Total reported releases 18k lb fell sharply year over year (-57%). Total releases concentrations have more than halved since 2010.
8826 W RT 24, Mapleton, Illinois · 331511 · Primary Metals · operated by Caterpillar INC
Anomaly engine
Notable Signals
Total reported releases
Total reported releases at Caterpillar INC Mapleton Plant have more than three-quarters since 2010 (through 2024).
Chemicals reported · most recent year
What This Facility Releases
Phenol
Phenol concentrations have more than doubled since 2010.
Diisocyanates
Diisocyanates concentrations have more than doubled since 2012.
Nickel
Nickel concentrations have more than halved since 2014.
Chlorine
Chlorine concentrations have more than halved 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 1,293. Why we surface this →
15.6%
Low-income
2.1%
People of color
1.9%
Under age 5
20.4%
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.