NONPOTABLE WATER-SUPPLY WELLS

Subpart 1. Construction. A water-supply well used to provide water for nonpotable purposes such as irrigation, heating and cooling, or industrial processing, that is not used for purposes listed in part 4725.0100 , subpart 35a, must be constructed according to parts 4725.2010 to 4725.5550 , except parts 4725.4550 , 4725.4650 , and 4725.4750 . Subp. 2. Interconnection prohibited. A nonpotable well or water system must not be interconnected with a potable well or water system except as provided in part 4725.3350 . Subp. 3. Identification required. A nonpotable well water system providing water to a building with a potable water system, or accessible to the public, must be marked as nonpotable according to UPC section 601.2 as incorporated by part 4714.0050 .