All plumbing installed within the village shall be installed in accordance with the State Plumbing Code, 77 Ill. Adm. Code Part 890. If, in accordance with the State Plumbing Code or in the judgment of the Inspector, an approved backflow prevention device is necessary for the safety of the public water supply system, the Inspector shall give notice to the water customer to install such an approved device immediately. The water customer shall, at his or her own expense, install such an approved device at a location and in a manner in accordance with the State Plumbing Code, State Environmental Protection Agency and all applicable local regulations, and shall have inspections and tests made of the approved devices upon installation and as required by the State Plumbing Code, State Environmental Protection Agency and local regulations.
(2001 Code, § 38-3-21)