Clean Water Action, an organization of 1 million members, organizes grassroots groups and coalitions to protect America's waters, build healthy communities and support environmental legislation and political candidates. Created in 1972, Clean Water Action focuses on canvassing and gaining support for political issues and candidates. It is a 501(c)(4) organization. Its counterpart, the Clean Water Fund is dedicated to research and education and is a 501(c)(3) organization. - Source: Wikipedia