13.06.090 Backflow prevention device – Degree of hazard determination.
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The type of protection device required shall depend on the degree of hazard which exists as follows:
A. An approved air-gap separation shall be installed where the water supply may be contaminated with sewage, industrial waste of a toxic nature or other contaminant which would cause health or system hazard.
B. In the case of a substance which may be objectionable but not hazardous to health, a double check valve assembly, air-gap separation or a reduced pressure backflow assembly shall be installed. (Ord. 016/2021 § 2; Ord. 002/2012 § 1; Ord. 784, 1985)