The Golden State’s Regional San turned a regulatory compliance challenge into impetus for a pioneering biological nutrient removal process.

Aqueous Electrostatic Concentrator is designed to remove “forever chemicals” from streams including wastewater, groundwater and surface water.

Regulations, public education and a Greasezilla system help a Massachusetts town get a handle on FOG and generate revenue.

An anaerobic wastewater treatment demonstration plant meets clean-water targets and produces more energy than it uses.