All charges for wastewater collection and treatment service are payable by the fifteenth day of the month following the month, pursuant to SCC 1.10.020, for which charges are made. [Code 2006 § 13-6-3. Ord. 2014-06 § 1, 5-27-2014; Res. 2014-10 Exh. A, 5-27-2014].