Many clean-water plants create brand names for their biosolids. The Encina Wastewater Authority takes the concept further.Its Class A biosolids pellets go to market under the PureGreen brand. Its electric power and heat from biogas, PureEnergy. Its recycled water, PureWater. Even staff resources and information get a brand name: PureKnowledge.For the agency, headquartered in Carlsbad, Calif., the brands emphasize that its 67 team members are devoted to more than protecting the Pacific Ocean from pollution. The 40.5 mgd (design) Encina Water Pollution Control Facility recycles, in one way or another, nearly half its 23 mgd average flow.It generates 76 percent of
