TRI Toxic-Release Facilities
According to the U.S. Environmental Protection Agency, 25,902 industrial facilities reported toxic chemical releases to the Toxics Release Inventory under EPCRA Section 313 across reporting years 2019 through 2023. Browse by state to see every reporting facility, its chemicals, release pathways and five-year trend, or start with the largest reporters nationwide below. See our methodology for how these releases are sourced, normalised, and computed.
Largest reporters nationwide
Largest toxic polluters, by total reported releases
Top facilities nationwide, all release media combined
- Red Dog Operations
Red Dog Operations
3,344 million lbs
- Nevada Gold Mines LLC - Gold… 931
Nevada Gold Mines LLC - Goldstrike Mines Inc
931 million lbs
- Kennecott Utah Copper Mine C… 781
Kennecott Utah Copper Mine Concentrators & Power Plant
781 million lbs
- Hecla Greens Creek Mining Co 376
Hecla Greens Creek Mining Co
376 million lbs
- Nevada Gold Mines LLC - Carl… 217
Nevada Gold Mines LLC - Carlin South Area
217 million lbs
- Montana Resources LLC 215
Montana Resources LLC
215 million lbs
- Nevada Gold Mines LLC - Turq… 181
Nevada Gold Mines LLC - Turquoise Ridge
181 million lbs
- Basin Electric Antelope Vall… 168
Basin Electric Antelope Valley Station
168 million lbs
What this shows The biggest reported totals come from a handful of mines disposing waste rock on-site, very different from the airborne chemical emissions that drive day-to-day exposure in populated areas.
Where are TRI facilities concentrated?
Facility counts track industrial activity, manufacturing, mining and energy, not directly the health risk to residents. Pick a state to see its full reporting record.