(1) The district obtains all or part of its supply of water from a watershed;
(2) The watershed is located in a sole-source aquifer designated prior to September 29, 1991, by the United States Environmental Protection Agency under the Safe Drinking Water Act (42 U.S.C. 300f et seq.);
(3) The watershed is recognized under rules of the Environmental Quality Commission as a watershed requiring protection from contamination in order to maintain high water quality; and
(4) The district adopts a resolution declaring that the health of the residents of the district and the general public interest requires the district to protect the water quality of the watershed. [1991 c.665 §2; 2005 c.22 §191; 2009 c.11 §25]