Total reported releases
Total reported releases at Clean Harbors El Dorado LLC have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Clean Harbors El Dorado LLC
Total reported releases 4.4M lb rose modestly year over year (+14%). Total releases concentrations have more than doubled since 2010.
309 AMERICAN CIR UNION, El Dorado, Arkansas · 562211 · Hazardous Waste · operated by Clean Harbors INC
Anomaly engine
Notable Signals
Cadmium And Cadmium Compounds
Cadmium And Cadmium Compounds releases at Clean Harbors El Dorado LLC rose from 50k lb to 91k lb between 2023 and 2024.
Arsenic And Arsenic Compounds
Arsenic And Arsenic Compounds releases at Clean Harbors El Dorado LLC rose from 28k lb to 43k lb between 2023 and 2024.
Mercury And Mercury Compounds
Mercury And Mercury Compounds releases at Clean Harbors El Dorado LLC fell from 284k lb to 11k lb (96% lower) between 2023 and 2024.
Showing the 4 most editorially weighted signals out of 5. Lower-severity signals fold into the chemical breakdown and history charts below.
Chemicals reported · most recent year
What This Facility Releases
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 have more than doubled since 2016.
Aluminum oxide (fibrous forms)
Aluminum oxide (fibrous forms) concentrations have more than doubled since 2010.
Zinc compounds
Zinc compounds concentrations are up 82% since 2017.
Lead And Lead Compounds
Lead And Lead Compounds concentrations have more than doubled since 2016.
Copper And Copper Compounds
Copper And Copper Compounds concentrations are up 61% since 2016.
Aluminum (fume or dust)
Aluminum (fume or dust) concentrations have more than doubled since 2016.
Nickel And Nickel Compounds
Nickel And Nickel Compounds concentrations have more than doubled since 2016.
Barium And Barium Compounds
Barium And Barium Compounds concentrations have more than doubled since 2015.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (16 Census block groups, population-weighted demographics): a population of 10,704. Why we surface this →
46.9%
Low-income
67.2%
People of color
7.7%
Under age 5
16.4%
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.