Cleanest/Best National Average Dirtiest/Worst 0% 50% 100% Land releases: Underground injection: Number of Superfund sites: Rank Superfund sites in MONTANA by potential pre-cleanup hazards to public health and the environment Rank states in the U.S. or counties in MONTANA by number of Superfund sites Rank facilities or counties in MONTANA by pounds of TRI chemicals released to land Rank facilities or counties in MONTANA by pounds of TRI chemicals injected underground
Number of sites on the National Priority List (Superfund): 15 Number of Superfund sites that have contaminated or threatened drinking water sources: A minimum of 8 sitesRemedial Assessment Not Begun: 2 sites Emergency Removal of Contaminants / Remedial Assessment Not Begun: 0 sites Study Underway: 2 sites Remedy Selected: 1 site Design Underway: 0 sites Construction Underway: 6 sites Construction Completed: 4 sites Number of facilities releasing TRI chemicals to land: 18 Pounds of TRI chemicals released to land: 27,406,409 Number of facilities injecting TRI chemicals underground: 2 Pounds of TRI chemicals injected underground: 188,123
Detected at Superfund sites: ZINC COMPOUNDS List all Released to land at TRI facilities:  ZINC COMPOUNDS List all Injected underground at TRI facilities:  NICKEL COMPOUNDS List all