77 Ill. Adm. Code 925.20
Scope
Section 925
Section 925.20 Scope
a) This Part, hereby prescribed, provides minimum standards for
installation of water well pumps or equipment employed in withdrawing or
obtaining water from a well for any use, except monitoring wells, and includes
such seals and safeguards as may be necessary to protect from contamination the
water in the well and water being pumped from the well.
b) The provisions of this Part do not apply to installation of
pumps or equipment on water wells which are subject to regulation under other
laws of the State. This Part shall apply when they are incorporated by
reference in other State rules and regulations.