ADEQ: Arizona Department of Environmental Quality.

Auxiliary Water Supply: Any water supply on or available to any premises other than the public potable water supply. These auxiliary water supplies may include, but are not limited to, water from another utility’s potable water system or from any source such as a well, spring, river, pond, lake, reservoir, stream or any other body of water.

AWWA: American Water Works Association.

Backflow: A flow of water within a potable water system that is the reverse of that intended, thus allowing nonpotable water to flow into a potable water pipe.

Backflow Prevention Assembly: An assemblance of one (1) or more body components including shutoff valves that has been approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California.

Backflow Prevention Assembly Tester: A person who is currently certified by an authority recognized in the Arizona Department of Environmental Quality regulations and is approved and registered with the Utility to test, repair, and maintain backflow prevention assemblies.

Compliance Date: The date by which the annual backflow prevention assembly compliance test report must be received by the Utility’s Backflow Prevention Section stating that the backflow assembly meets the requirements of this code or for violations of this code, the specified date by which a violation must be remedied.

Compliance Fee: The fee that is charged to recover the administrative costs that are incurred when a customer’s water service is discontinued.

Consecutive Systems: Another public or private water system where the Utility is the sole source of water for the other supplier’s water system.

Contamination: An impairment of the quality of potable water by sewage, industrial fluids, waste liquids, compounds, or any other materials, solids, gases, or liquids to a degree which in the judgment of the Utility degrades the water quality and creates a health hazard.

Cross-Connection: Any unprotected actual or potential physical connection or structural arrangement of piping or fixtures between a consumer’s water system and the public potable water system through which it is possible to introduce into any part of the public potable water system any used water, industrial fluid, gas, liquid, solid or any other substance. Examples of such cross-connections include, without limitation, bypass arrangements, jumper connections, removable sections, swivel or changeover assemblies, or any other temporary or permanent connecting arrangement through which backflow may occur.

Cross-Connection Protection: The degree of protection against cross-connections existing between the public water supplies and private plumbing systems.

Customer: The person/entity accepting financial responsibility for water service from the Utility.

Graywater: Untreated wastewater from bathtubs, showers, wash basins, washing machines, and laundry tubs. Graywater does not include wastewater from toilets, urinals, kitchen sinks or dishwashers.

Hazard: A cross-connection or potential cross-connection between the public water supply and a private plumbing system involving any substance that could, if introduced into the public water supplies, cause contamination or pollution, or have a high probability of causing such effects.

Inspection: A visual examination of premises or any backflow protection equipment, materials, workmanship and operational performance.

Maintenance: Work performed or repairs made to keep backflow prevention assemblies operable and in compliance.

PSIG: Pounds per square inch gauge.

Pollution: Any substance that creates an actual or potential threat to the physical facilities of the public water supply systems or to the public water supplies which, although not dangerous to health, would constitute a nuisance or be aesthetically objectionable, or could cause damage to the system or its appurtenances.

Reclaimed Water: Water that, as a result of treatment of wastewater, is suitable for a direct beneficial use or a controlled use that would not otherwise occur and is not safe for human consumption.

Service Connection: The terminal end of a service connection from the public potable water system where the Utility loses jurisdiction and sanitary control over the water at its point of delivery to the customer’s water system. If a meter is installed at the end of the service connection, then the service connection shall mean the down-stream end of the meter. There should be no unprotected takeoffs from the service line ahead of any meter or backflow prevention assembly located at the point of delivery to the customer’s water system. Service connection shall also include water service connection from a fire hydrant and all other temporary or emergency water service connections from the public potable water system.

Service Protection: The acceptable backflow prevention method installed between the Utility’s meter and a customer’s private plumbing system.

Utility: Town of Oro Valley Water Utility. ((O)07-21, 03/21/2007)