“Our Swimmable Potomac Report summarizing the findings of the Community Science Water Quality Monitoring program has just been published. The good news? The river is frequently safe for swimming, which is more scientific support for lifting the swim ban in DC. Help us tell Mayor Bowser it’s time! We want everyone to be able to enjoy the river! Through the generous support of our many Potomac Riverkeeper (PRK) launched our Swimmable Potomac Campaign in conjunction with our Community Science Water Quality Monitoring Program in 2019. Water samples collected weekly by volunteers are analyzed at our Tier-III certified lab on our flagship research vessel, Sea Dog. We now have three years’ worth of data, and our sampling program, expanded to more than 20 sampling locations, includes dozens of partner organizations, and spans 60 miles along the river! With thousands of people interacting with and recreating on the Potomac and its tributaries each year, it is essential for the public to have current information about the water quality that may directly affect their well-being and health.”