Scores of “sanctuary” cities, counties and states for undocumented immigrants are vowing to defy President Donald Trump’s executive order, issued last month, that threatens to block their federal funding.

A trio of spillway failures at the 770-ft-tall earthfill Oroville Dam that prompted the evacuation of more than 188,000 people from central California has renewed questions about the reliability of hundreds of dams in the state and more nationally.

In his first speech to EPA employees on Feb. 21, new Administrator Scott Pruitt said the agency would work more closely with states and follow statutes.