Groundwater

415 ILCS 5/3.210
in effect
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(415 ILCS 5/3.210) (was 415 ILCS 5/3.64) Sec. 3.210. Groundwater. "Groundwater" means underground water which occurs within the saturated zone and geologic materials where the fluid pressure in the pore space is equal to or greater than atmospheric pressure. (Source: P.A. 92-574, eff. 6-26-02.)
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.ilga.gov/legislation/ilcs/ilcs.aspFetched: 10/17/2026

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