Vertical screening system installed in challenging headworksProblem: Four years ago the Mendocino (Calif.) City Community Services District needed to make a change at its 1 mgd wastewater treatment plant. The headworks equipment wasn’t getting the job done. “It would reduce some solids to a smaller size but would pass everything through,” says the district’s supervisor, Steve Acker. All nonbiodegradable materials had to be manually removed. Otherwise, it would simply pass through the process or accumulate elsewhere in the facility.Solution: The Screentec vertical screen from Aqualitec Screening Equipment matched the district’s technical requirements and footprint constraints. The unit had to accommodate a
