77 Ill. Adm. Code 300.2620
Water Supply
Section 300
Section 300.2620Â Water
Supply
a)Â Â Â Â Â Â Â Â Each facility shall be served by water from a municipal public
water supply when available. (B)
b)Â Â Â Â Â Â Â Â When a municipal public water supply is not available, the
water supply shall comply with the Department's rules entitled "Drinking
Water Systems" (77 Ill. Adm. Code 900). (B)
c)Â Â Â Â Â Â Â Â If water is supplied by a well that is not part of a municipal
system, the well shall be constructed and maintained in accordance with the
Department's rules entitled "Illinois Water Well Construction Code"
(77 Ill. Adm. Code 920) and "Water Well Pump Installation Code" (77
Ill. Adm. Code 925).
d)Â Â Â Â Â Â Â Â Each facility shall have a written agreement with a water
company, dairy, or other water purveyor to provide an emergency supply of
potable water for drinking and culinary purposes.