"How's My Waterway?" also provides detailed descriptions of each type of water pollutant, the likely sources from which they came and potential health risks. Most information is based on 2010 data. "The practicality and convenience of [the map] may be its best asset," notes Appalachian Voices, an environmental advocacy group based in Boone, N.C. "Not many of us have time to sift through databases searching for the creek behind our community or our favorite fishing spot."
To check the health and quality of your local rivers, click here to access "How's My Waterway?"