The Logan Elm School District had two schools, two package plants and too many permit violations. One plant served the junior high school, and the other was added when a high school was constructed. Now the district was in need of a new system to end the violations.
To remedy the problem, the district in Circleville, Ohio, hired engineers who looked at the options.
“We looked at traditional systems. A small package plant with traditional sand filters was what the school had,” says Jeff Baird, an engineer with the design firm of STONE Environmental Engineering & Science in Columbus. But a
