Total reported releases
Total reported releases at Aerojet Rocketdyne INC have more than doubled since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Aerojet Rocketdyne INC
Total reported releases 198k lb fell meaningfully year over year (-16%). Total releases concentrations have more than doubled since 2010.
WALTON RD HIGHLAND INDUSTRIAL PARK, East Camden, Arkansas · 332993 · Fabricated Metals · operated by L3Harris Technologies INC
Anomaly engine
Notable Signals
1-Bromopropane
1-Bromopropane releases at Aerojet Rocketdyne INC rose from 29k lb to 47k lb between 2023 and 2024.
0000108883
0000108883 releases at Aerojet Rocketdyne INC fell from 14k lb to 0 lb (100% lower) between 2023 and 2024.
0000108101
0000108101 releases at Aerojet Rocketdyne INC fell from 11k lb to 0 lb (100% lower) between 2023 and 2024.
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 up 46% since 2010.
1-Bromopropane
1-Bromopropane concentrations have more than doubled since 2016.
Xylene (mixed isomers)
Xylene (mixed isomers) concentrations have fallen 21% since 2022.
Chlorine
Chlorine concentrations have fallen 19% since 2023.
Lead compounds
Lead compounds concentrations are up 11% since 2010.
Equity context · ACS 2018-2022 block-group demographics
Who Lives Next To This Facility
Within 3 miles of this facility (11 Census block groups, population-weighted demographics): a population of 9,533. Why we surface this →
45.5%
Low-income
55.4%
People of color
7.0%
Under age 5
18.4%
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.