1. The City shall ensure that personnel, including at least one Cross-Connection Control Specialist (CCS) are provided to implement the cross-connection control program. The City may contract with a third party acceptable to the Washington State Department of Health.

2. The City shall develop and implement a backflow prevention assembly testing program, including tracking of assemblies, record-keeping and quality control program for testers and their equipment. All testing and repair of approved backflow assemblies shall be performed by a Backflow Assembly Tester (BAT) registered with the City.

3. The control or elimination of cross-connections shall be in accordance with the provisions of the Washington Administrative Code (WAC 246-290-490). The policies, procedures, and criteria for determining appropriate levels of protection shall be in accordance with Manual of Cross-Connection Control published by the Foundation for Cross-Connection Control and Hydraulic Research, University of Southern California (USC Manual) 9th Edition or any superseding edition. The City Superintendent and/or the CCS is authorized to establish higher standards for installation and maintenance of backflow prevention assemblies where he/she finds that good engineering practice, industry standards, or the protection of public health requires such higher standards.

4. As a condition of new or continued water service, approved backflow prevention assemblies or other approved backflow preventers commensurate with the degree of hazard shall be installed by all customers who: