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If the lagoon at the elementary school was closed, the sludge solution would have to be limed, dredged out and disposed of. The remaining hole would have to be filled and the top capped. It would also be necessary to record in a deed that it had been a wastewater lagoon that had been closed. Mr. Hearl noted that people usually grow grass over top of such lagoons once they are closed.
Mr. Estes asked, “Would that be considered a Class A sludge in that lagoon? Could it be spread on land?”
Mr. Hearl replied, “It probably could. It would have to be tested.”
Mr. Hearl said that his company just closed a lagoon at a similar site, and it cost $80,000. He estimated closing the one at the elementary school would cost between $80,000 and $100,000. This would not include the cost of replacing it with any other system.
If the lagoon were replaced, one conventional treatment method
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