1. “Approved Backflow Preventer” means an approved backflow prevention assembly, an approved air gap, or an approved atmospheric vacuum breaker that is relied on by the City to protect the public water system. It does not refer to backflow preventers installed for other purposes.

2. “Approved Backflow Prevention Assembly” means a backflow prevention assembly model approved by the State of Washington Department of Health and the City of Kettle Falls.

3. “Backflow Assembly Tester” means a person holding a valid BAT certificate issued in accordance with Chapter 246-292 WAC.

4. “Consumer” means the owner or operator of a water system connected to a public water system through a service connection.

5. “Cross-Connection” is defined as any actual or potential connection between the public water supply and a source of contamination or pollution.

6. “Cross-Connection Control Specialist” means a person holding a valid CCS certificate issued in accordance with Chapter 246-292 WAC.

7. “Emergency” means an unforeseen event that causes damage or disrupts normal operations and requires immediate action to protect public health and safety.

8. “In-Premises Isolation” means the appropriate backflow prevention within the customer’s premises at the point at which the actual or potential cross-connection exists.

9. “Local Administrative Authority” means the local official, board, department or agency authorized to administer and enforce the provisions of the Uniform Plumbing Code as adopted under Chapter 19.27 RCW.

10. “Premises Isolation” means a method of protecting a public water system by installation of approved air gaps or approved backflow prevention assemblies at or near the service connection or alternative location acceptable to the City to isolate the consumer’s water system from the public distribution system. This type of protection does not provide protection to personnel on the premises.

11. “Service Connection” the point of delivery of water from the City’s distribution main to the consumer’s premises beyond which the city loses control of the water, either at the service meter, property line or edge of City’s water line easement.