‘Hydrologists should be happy.’ Big Supreme Court ruling bolsters groundwater science

A new U.S. Supreme Court ruling puts groundwater science at the center of decisions about how to regulate water pollution. Today, in a closely watched case with extensive implications, the court ruled six to three that the federal Clean Water Act applies to pollution of underground water that flows into nearby lakes, streams, and bays, as long as it is similar to pouring pollutants directly into these water bodies.