Wastewater treatment is a complex business, especially if, like the Orange County Sanitation District, you run the third largest wastewater agency west of the Mississippi. For more than 50 years, OCSD has treated and reclaimed wastewater generated by people living in central and northwestern Orange County, Calif. — a population that now exceeds 2.5 million. Its Fountain Valley and Huntington Beach treatment plants handle about 250 mgd. All that takes a professional staff of more than 600, some 55 distinct processes, and a vast number of operating and maintenance procedures. To make life all the more complicated, the district is
