Photo: Wastewater is forced through microscopic holes in tightly wrapped membranes wound in these fiberglass vessels during the reverse osmosis…
The Central Arizona Project provides a steady supply of Colorado River water from Parker Dam to the Phoenix metropolitan area.…
In an era of drought, turning treated wastewater into drinking water may be the future. Utility companies are working with…
Photo: A rooftop wetland on the Salesforce Transit Center in San Francisco filters wastewater from sinks and showers for reuse.…
photo: The Watsonville, California, recycled water facility, completed in 2009, purifies wastewater from the city of Watsonville for use by…