The purpose of this article is to protect the public health of water consumers by the control of actual and/or potential cross connections, and the installation of backflow prevention devices. For the purposes of this title certain words used herein shall mean what is indicated in this chapter. The word "shall" or "will" is a mandatory requirement, the word "may" be a permissive requirement. (Ord. 595, 2012; Ord. 661, 2020)