This section highlights innovations in methods and techniques associated with maintaining and providing a clean water supply. Articles in this section may include such topics as collection and distribution systems, pollution, safe drinking water, and water purification techniques.

NPR and Local Affiliates, February 20, 2018

With the potential of another drought looming, California is looking at recycled wastewater as a source for drinking. Recycled water is California's single largest source of new water supplies.