Total reported releases
Total reported releases at Prysmian Cable & Systems LLC have more than halved since 2010 (through 2024).
TRI facility · TRI 2024 reporting year
Prysmian Cable & Systems LLC
Total reported releases 31k lb more than doubled year over year (+116%). Total releases concentrations have more than halved since 2010.
1600 WEST MAIN ST, Willimantic, Connecticut · 335929 · Electrical Equipment · operated by Prysmian Cables & Systems (Us) INC
Anomaly engine
Notable Signals
Chemicals reported · most recent year
What This Facility Releases
Ozone
Ozone concentrations are roughly unchanged from 2010.
Antimony compounds
Antimony compounds concentrations have more than halved since 2010.
Zinc compounds
Zinc compounds concentrations are up 57% since 2010.
Lead compounds
Lead compounds concentrations have more than halved since 2010.
Equity context
Around this facility Population Characteristics
Windham County County, CT (no Census block groups within 3 miles — falling back to containing county).
Demographic shares, national-percentile rankings (PM2.5, ozone, NO₂, diesel particulate, lead-paint risk, NPL/RMP/TSDF/NPDES proximity, drinking-water non-compliance), and EJ disparity scores will render here once the EJScreen-clone ingest completes for this geography. Why this section matters →
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.