(415 ILCS 5/3.450) (was 415 ILCS 5/3.61)
    Sec. 3.450. Setback zone. "Setback zone" means a geographic area, designated pursuant to this Act, containing a potable water supply well or a potential source or potential route, having a continuous boundary, and within which certain prohibitions or regulations are applicable in order to protect groundwaters.
(Source: P.A. 92-574, eff. 6-26-02.)