§ 15-1-2. DEFINITIONS.

In this chapter:

(1)

AIR GAP means a physical separation between the free flowing discharge end of a potable water system pipeline and an open or non-pressure receiving vessel as defined in Section 290.38 ( Definitions ) of Title 30 of the Texas Administrative Code.

(2)

AUXILIARY WATER SUPPLY means a water supply from a source other than the City's potable water supply.

(3)

BACK SIPHONING means a form of backflow caused by a reduction in hydraulic system pressure that causes a negative or sub-atmospheric pressure.

(4)

BACKFLOW means the reversal of flow of water or mixtures of water and other liquids, gases, or other substances into the distribution pipes of a potable water supply.

(5)

BACKFLOW PREVENTION ASSEMBLY means an aggregation of devices designed to prevent backflow into the potable water system or the public water system, including a reduced pressure backflow assembly, double-check valve assembly, pressure vacuum breaker assembly, or an air gap.

(6)

BACKFLOW PREVENTION DEVICE means a device designed to prevent backflow into the potable water system.

(7)

BACKPRESSURE means hydraulic or atmospheric pressure higher than the supply pressure.

(8)

COMMISSION means the Texas Commission on Environmental Quality.

(9)

CONTAMINATION has the meaning prescribed by the Plumbing Code.

(10)

CROSS CONNECTION means an actual or potential connection to a public or private water system through which it is possible to introduce contamination or pollution.

(11)

CUSTOMER means a person or public water system receiving potable water service from the City.

(12)

DIRECTOR means the director of the Water Utility.

(13)

DOUBLE CHECK VALVE ASSEMBLY has the meaning prescribed by the Plumbing Code.

(14)

POLLUTION has the meaning prescribed by the Plumbing Code.

(15)

POTABLE WATER means water that complies with the rules of the Commission for human consumption and other domestic uses.

(16)

PRIVATE PLUMBING SYSTEM means the plumbing located between the service connection and the point of use including pipes, conduits, tanks, receptacles, fixtures, equipment and appurtenances used to produce, convey, recycle, store, or use potable water on a customer's premises.

(17)

PUBLIC WATER SYSTEM means a system for the provision of piped water for human consumption as defined in Section 290.38 ( Definitions ) of Title 30 of the Texas Administrative Code.

(18)

RECLAIMED WATER has the meaning prescribed in Section 25-9-382(12) ( Definitions ) and Appendix J, Section J2 of Chapter 25-12, Article 6 ( Uniform Plumbing Code ).

(19)

REDUCED PRESSURE BACKFLOW PREVENTION ASSEMBLY means two independently acting approved check valves together with a hydraulically operating, mechanically independent pressure differential relief valve located between the check valves.

(20)

SERVICE CONNECTION means the point of connection between the public water system and the customer's water system.

(21)

SINGLE-CHECK VALVE means an independently acting internally loaded check valve.

(22)

TESTER means a person licensed by the Commission and registered with the utility as a backflow prevention assembly tester.

(23)

USED WATER means water supplied by a public water system to a customer's water system that has passed through the point of delivery.

(24)

UTILITY means the Austin Water Utility.

Source: Ord. 040108-3; Ord. 20060608-005.