CNN uses its My Waterway app , available through the agency 's website . By identifying the user 's GPS location , the software allows swimmers and fishers to check the water quality in thousands of lakes , rivers and streams in the United States from their computer or smartphone . Software allows users to check the water quality in thousands of lakes , rivers and streams . CNN uses it to report on D.C. waterways and find lots of polluted sites .
CNN uses its My Waterway app , available through the agency 's website . Software allows users to check the water quality in thousands of lakes , rivers and streams . CNN uses it to report on D.C. waterways and find lots of polluted sites .