This Act places restrictions on the use in water systems and importation of lead and provides for the establishment of the Safe Drinking Water Fund. No person may use any pipe, plumbing fittings or fixtures, any solder, or any flux, which is not lead free as defined in this Act and any regulations promulgated hereunder, in the installation or repair of any public water system or any plumbing in a residential or non-residential facility providing water for human consumption. No building permit wi