35 Ill. Adm. Code 671.101
Purpose
Section 671
Section 671.101 Purpose
a) Section 14.2 of the Act establishes a minimum setback zone for
existing or permitted community water supply wells or other potable water
supply wells.
b) Section 14.3 of the Act authorizes a maximum setback zone to
be established for community water supply wells.
c) In order to establish a maximum setback zone, the lateral area
of influence of the well under normal operational conditions must be
determined.
d)
Owners of community water supplies which utilize any water
well, or any county or municipality served by any community water supply well,
may determine the lateral area of influence of the well under normal
operational conditions. The Agency shall adopt procedures by which such
determinations may be made including, where appropriate, pumping tests and
estimation techniques.
Section 14.3(a) of the Environmental Protection Act
(Ill. Rev. Stat. 1987, ch. 111½, par. 1014.3(a)).
e) The rules set forth in this Part describe the procedures for
establishing a maximum setback zone under Sections 14.3(a), 14.3(b), and
14.3(c) of the Act.
f) The rules set forth in Subpart B describe the procedures to be
used by owners of community water supplies, by counties, or by municipalities
to determine the lateral area of influence of community water supply wells. The
rules set forth in Subpart C describe the procedures to be used by counties or
municipalities in requesting Agency review and confirmation of this
determination.