Sec. 13.5. (a) As used in this section, "water utility" means:
(1) a public utility (as defined in IC 8-1-2-1(a));
(2) a municipally owned utility (as defined in IC 8-1-2-1(h));
(3) a not-for-profit utility (as defined in IC 8-1-2-125(a));
(4) a cooperatively owned corporation;
(5) a conservancy district established under IC 14-33; or
(6) a regional water district established under IC 13-26;
that provides water service to the public in Indiana for compensation.
(b) Notwithstanding any other law, a complaint:
(1) seeking damages from a water utility; and
(2) arising out of an alleged exposure to drinking water supplied by the water utility;
is barred if the water supplied by the water utility met applicable regulatory standards under the Safe Drinking Water Act (42 U.S.C. 300f et seq.), Indiana law, or rules adopted by the board.