Paul Olson has a knack for wastewater treatment.“I’m good at recognizing signs and symptoms, and how to correct them,” he says. With 32-plus years of experience at the treatment plant in Walla Walla, Washington, and now eight years as manager of the College Place Wastewater Treatment Plant, he knows the territory and how to fix things. Or, as he puts it, “I know where the pipes are buried.”Diego Cruz, a College Place operator, says Olson likes identifying problems and finding solutions. “The Walla Walla staff called Paul for assistance when a broken influent pump started filling the basement at 1
