Tennessee Wetlands - TDEC (state government) information on wetlands mitigation and conservation. - http://www.state.tn.us/environment/na/wetlands/
USGS - Tennessee Water Resources - Real-time streamflow conditions data for Tennessee rivers and streams, other water data, and information about U.S. Geological Survey water-related activities in the state. - http://tn.water.usgs.gov/
Tennessee Clean Water Network - Provides information about water quality concerns and current intiatives, as well as links to river and watershed associations and other clean water groups across the state. - http://www.tcwn.org/