News & Stories Environment How more than 240 million gallons of sewage flowed into the Potomac River Erika Ryan February 20, 2026 / 1:37 pm NPR's Erika Ryan reports from the site of one of the nation's largest sewage spills ever — just outside of Washington, D.C. — in January. Why you can trust KUOW Recommended Stories Earth Day is just another day for Seattle's EarthCorps — but still worth marking April 23, 2026 Trump canceled the National Nature Assessment. Scientists will publish it anyway April 22, 2026 Microsoft signals pause in funding for carbon dioxide removal market April 21, 2026