The East County Advanced Water Purification (AWP) Program has been awarded a $2 million grant from the San Diego River Conservancy.

If water purification works in Franklin, in-state municipalities may build similar, full-scale water reuse facilities.

In the years-long effort to protect residents from so-called "forever chemicals," Pico Rivera is touting what it says is progress as it moves into final stages of water treatment measures.

It’s opening the door to saving lots of fresh water on the Westside with water reuse. It includes a big plan for a treatment plant near the river—and it won’t come cheap.

Residents' cooperation was key to managing a "perfect storm" of high river and groundwater nitrate levels, writes Central ...