A water system that does not comply with the rules and standards of the Oregon Health Authority shall be operated only after the water supplier has received a permit for the system from the authority if:

(1) The authority has not granted a variance from standards as provided under ORS § 448.135 to the water supplier; and

(2) The water system is providing water that does not meet maximum contaminant standards as determined by an investigation conducted by the authority under ORS § 448.150. [1981 c.749 § 8; 2009 c.595 § 842]