The Eustis Wastewater Treatment Plant went online in 1959 with a 1.0 mgd trickling filter process. Fifty-seven years later, it’s a 2.4 mgd facility with sophisticated step-feed biological nutrient removal (BNR) and tertiary filtration; 100 percent of the effluent is reused for irrigation and plant processes.Periodic upgrades have kept this central Florida plant in step with increasingly strict permit requirements. The latest upgrade in 2012 established the BNR process, controlled with advanced automation and overseen by an experienced and thoroughly trained staff of 18.“During the upgrade we did an entire retrofit of our SCADA system and lift station monitoring,” says
