(A) The town, or its engineer, shall determine the total annual costs of operation and maintenance or the of sewerage system which are necessary to maintain the capacity and performance, during the service life of the treatment works, for which such works were designed and constructed.
(B) The total annual cost of operation and maintenance shall include but need not be limited to labor, repairs, equipment replacement, maintenance, necessary modifications, power, sampling, laboratory tests, and a reasonable contingency fund.
(Prior Code, § 9-2B-2)