(A) Customers shall construct an air gap or install a reduced pressure principle backflow preventer or a double check valve assembly in accordance with the provisions of § 55.08 of this chapter on the customer service line to:
(1) Tanks used only to store water from the public water supply for fire suppression that are constructed to maintain the bacteriological quality of the water, in compliance with 327 I.A.C. 8-2; or
(2) Secondary sources of supply that:
(a) Use well water as the only private source of supply;
(b) Are constructed to maintain the bacteriological quality of the water, in compliance with 327 I.A.C. 8-2; and
(c) Produce, without treatment, water meeting the drinking water quality standards enumerated in 327 I.A.C. 8-2.
(B) Customers shall construct an air gap or install a reduced pressure principle backflow preventer in accordance with the provisions of § 55.08 of this chapter on the customer service line to or into a facility having a secondary source of supply of a type other than those enumerated in division (A) above, that is used only for fire suppression.
(C) No secondary source of supply of a type other than those enumerated in divisions (A) and (B) above shall be physically connected on the customer service line to or into the facility.
(Ord. 2018-13, passed 8-13-2018)