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IN determining which system was the most feasible, Long took into account total costs, user costs, environmental effects and implementation. His studies concluded that the most effective alternative was the secondary treatment plant. According to Long, this would consist of eight-inch gravity flow mains with pumping required for only 25 to 30 feet at the plant itself.
Effluent would receive secondary treatment in a large aerated earth lagoon, one acre in size with a depth of ten feet. Bubbling air through the sewage, creating anaerobic bacterial action, removes most of the odors associated with sewage, maintained Long. In addition, he noted that the lagoon will be located in Clifford Miller’s cornfield, away from the community center.
He estimated total construction costs at $787,730. The figure is based on the latest construction bids and includes contingency costs. “We think we have a ten percent contingency factor above what the system will cost,” said Long.
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