There are two major problems with Trump’s order, water experts said: The water will not flow to Los Angeles, and it is being ...

“Streams and other surface waters can transform and have major impacts after high or low water flow events,” said Supervising River Ecologist Jeff Crocker. “These events can degrade ...

This way, engineers can figure out where the water needs to flow below ground in tunnels, on the surface in covered trenches or in pressurized pipes, or above ground on walls or arcades.