Fonds consist of records created and received by Will Koop as founder and director of the B.C. Tap Water Alliance. These include Community Watersheds Task Force meeting files; forest hydrology research records; land use plans, legal records from Joseph Miller et. al. vs. Wright Mallery; results of Freedom of Information requests; and newspaper clippings. The fonds also contains files relating to Chapman Creek, and the Bull Run, Seattle City, Rossland City, Chapman Creek and Elk Creeks watersheds.