The Biden administration approved regulations from the Environmental Protection Agency that revise the definition of "Waters of the United States" and clarifies what types of bodies of water are protected under the Clean Water Act.
President Biden signed the regulations in late December, marking a return to the approach of the Obama administration after Trump narrowed the definitions to protect private property owners. The Trump guidelines faced legal scrutiny on the grounds that tributary waterways could affect larger bodies of water. District Court Judge Rosemary Marquez halted them on such grounds, per Fox News.
The Biden regulations expand federal protections of a slew of water bodies such as lakes and wetlands, but largely address any permanent navigable waterways.
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