§ 52.56 GEOTHERMAL SYSTEMS.
   Systems utilizing the geothermal properties of the ground for water wells:
   (A)   Must be a closed loop system;
   (B)   Joints must be made by heat fusion;
   (C)   Antifreeze must be potassium acetate, propylene glycol or other food grade substance;
   (D)   Wells must be scaled from bottom to top with a cement slurry;
   (E)   Piping must consist of polybutylene or polyethylene pipe; and
   (F)   Must be located no closer than 100 feet to the city’s drinking water source.
(Prior Code, § 3-133) (Ord. 703, passed 3-12-2002)