The EPA maintains a list of documents and updates for the 8 Operable Units (OUs) in the Libby Superfund site. These OU documents contain maps of each OU area, resident and analyst commentary, data reports and more for each Operable Unit in the Libby Superfund Site cleanup area. The links below will take you to the constantly updated EPA website where you can view various files for each of the 8 Libby Operable Units.
Former export plant (including Riverfront Park)
View EPA Website for OU1
Former screening plant and surrounding properties
View EPA Website for OU2
Former vermiculite mine
View EPA Website for OU3
Properties in and around the Libby area
View EPA Website for OU4
Former Stimson Lumber parcel
View EPA Website for OU5
BNSF railroad
View EPA Website for OU6
Properties in and around the Troy area
View EPA Website for OU7
State highways
View EPA Website for OU8
Learn what Libby Vermiculite looks like and what to do if you find it on your property.