(a) The legislature finds that access to and the use of groundwater may need to be restricted to protect public health and welfare where the quality of groundwater presents an actual or potential threat to human health.
(b) The legislature finds that an action by a municipality to restrict access to or the use of groundwater in support of or to facilitate a municipal setting designation advances a substantial and legitimate state interest where the quality of the groundwater subject to the designation is an actual or potential threat to human health.