On January 8, 2020, the U.S. Senate Environment and Public Works Committee heard testimony from representatives of Wyoming and Maryland in an effort to evaluate the effectiveness of programs under the Clean Water Act (“CWA”) designed to reduce nonpoint source (“NPS”) pollution.
NPS pollution, unlike point source pollution that can typically be traced to an industrial or sewage treatment facility, is created by land runoff that results from rainfall or snowmelt. As the water moves over and through the ground, it picks up sediment and other pollutants that are eventually deposited into nearby waterways. According to the Environmental Protection Agency, NPS “pollutants have harmful effects on drinking water supplies, recreation, fisheries, and wildlife.”