Three-fourths of our region's drinking water comes from the Potomac River, thanks to an elaborate treatment process that removes pollutants and adds chlorine and fluoride. But the river itself is deemed unsafe to swim in, and experts are concerned about new types of pharmaceutical contaminants and farm run-off that end up in the Potomac. Kojo explores the source of our drinking water and the challenges ahead for keeping it clean.
Potomac: The River Runs Through Us
The film follows the flow of the Potomac water from its origin, into our homes and businesses and back into the river.