Tyler city council members ratified an emergency purchase Wednesday that Tyler Water Utilities made after equipment broke, rendering a pump useless.

Staff are now able to enter the failed treatment plant, but the agency isn't providing details of the work being done or who is involved.

A team of scientists at Arizona State University is testing technology to repurify and recycle heavily contaminated ...

Crossflow (or tangential flow) filtration, in which the feed liquid passes both parallel and perpendicular to the membrane, ...