R 325.10808 Standard isolation area generally.

Rule 808. The standard isolation areas from any existing or potential sources of contamination, including, but not limited to, storm and sanitary sewers, pipelines, septic tanks, drain fields, dry wells, cesspools, seepage pits, leaching beds, barnyards, or any surface water, other area or facility from which contamination of the groundwater may occur, are established for public water supplies as follows: (a) For type I and type IIa public water supplies, the standard isolation area is an area measured with a radius of 200 feet in all directions from the well. (b) For type IIb and type III water supplies, the standard isolation area is an area measured with a radius of 75 feet in all directions from the well.