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.
A nonpotable well or water system must not be interconnected with a potable well or water system except as provided in part 4725.3350.
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.
Minn. R. agency 144, ch. 4725, WATER-SUPPLY WELLS, pt. 4725.4825
Statutory Authority: MS s 103I.101; 103I.111; 103I.205; 103I.221; 103I.301; 103I.401; 103I.451; 103I.501; 103I.525; 103I.531; 103I.535; 103I.541; 103I.621