The Center for Watershed Protection works with local, state, and federal governmental agencies, environmental consulting firms, watershed organizations, and the general public to provide objective and scientifically sound information on effective techniques to protect and restore urban watersheds.

The Natural Resources Conservation Service is a Federal agency that works in partnership with the American people to conserve and sustain our natural resources.

This document is a common reference on stream corridor restoration. It responds to a growing national and international public interest in restoring stream corridors.

ASIWPCA, is an independent, nonpartisan organization of state water program managers. ASIWPCA Members represent the state professionals who, on a daily basis, implement surface and groundwater quality management programs. ASIWPCA represents the states, interstate agencies, territories, and the District of Columbia.

USDA Forest Service national headquarters website; the home page and gateway to all Forest Service websites.

Home Page of the U. S. Fish and Wildlife Service, a bureau in the Department of the Interior. Our mission is, working with others, to conserve, protect and enhance fish, wildlife, and plants and their habitats for the continuing benefit of the American people.

U.S. Geological Survey home page. Entry point for entire U.S. Geological Survey web.