For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
BACKFLOW PREVENTION ASSEMBLIES. Assemblies or devices designed to provide protection against health hazards (e.g., air gap, reduced pressure zone, double check valve and the like).
BACKFLOW PREVENTION ASSEMBLY TESTER. A licensed backflow prevention assembly tester who holds a current license issued by the Commission.
CLOSED SYSTEM. To water, once it has passed through a properly functioning backflow prevention device, that cannot re-enter the distribution system.
COMMISSION. The Texas Commission on Environmental Quality (TCEQ), it predecessor agency and any successor agencies.
COMMISSION RULES. Those rules governing public water systems and found in Title 30 of the Tex. Administrative Code Ch. 290, Subch. D.
CROSS-CONNECTION. Any actual or potential connection or structural arrangement between a potable water supply system and any plumbing fixture or any tank, receptacle, equipment or device, through which it may be possible for any non-potable, used unclean, polluted and/or contaminated water or other contaminant, to enter into any part of such potable water system under any condition or set of conditions.
MANUAL M14. The American Water Works Association’s Recommended Practice for Backflow Prevention and Cross-Connection Control, second edition or current.
PERSON. Any individual, partnership, associations, corporation, firms, clubs, trustees, receivers and bodies politic and corporate.
THERMAL EXPANSION. Heated water that does not have the space to properly expand.
(1998 Code, § 122-140) (Ord. 08-47, passed 11-19-2008)