All bills for water services not paid within 15 days from the billing due date thereof, as stated on the bills, shall be subject to a collection or deferred payment charge of 10% on the first $3 and 3% on the excess over $3.
(‘79 Code, § 17-71) (Ord. 491, passed 11-25-69; Am. Ord. 111-1987, passed 11-10-87; Am. Ord. 23-1989, passed 6-13-89; Am. Ord. 8-1990, passed 4-10-90; Am. Ord. 19-2001, passed 11-13-01; Am. Ord. 21-2004, passed 10-26-04; Am. Ord. 12-2009, passed 9-23-09)