Major funding for FRONTLINE is provided by the John D. and Catherine T. MacArthur Foundation. Additional funding is provided by the Park Foundation. Major funding for Poisoned Waters is provided by The Seattle Foundation, The Russell Family Foundation, The Wallace Genetic Foundation, The Morris and Gwendolyn Cafritz Foundation, The Keith Campbell Foundation for the Environment, The Merrill Family Foundation, The Abell Foundation, The Bullitt Foundation, the Park Foundation, and The Rauch Foundation.

Additional funding is provided by The Town Creek Foundation, The Clayton Baker Trust, The Lockhart Vaughan Foundation, The Curtis and Edith Munson Foundation, The Chesapeake Bay Trust, Louisa and Robert Duemling, Robert and Phyllis Hennigson, Robert Lundeen, The Eugene and Agnes E. Meyer Foundation, The Prince Charitable Trusts, Ron and Kathy McDowell, Valerie and Bill Anders, Bruce and Marty Coffey, The Foundation for Puget Sound, Janet Ketcham, Win Rhodes, The Robert C. and Nani S. Warren Foundation, Jim and Kathy Youngren, Vinton and Amelia Sommerville and Laura Lundgren.