35 Ill. Adm. Code 620.301
General Prohibition Against Use Impairment of Resource Groundwater
Section 620
Section 620.301Â General
Prohibition Against Use Impairment of Resource Groundwater
a)Â Â Â Â Â Â Â Â A person must not cause, threaten, or allow the release of any
contaminant to a resource groundwater such that:
1)Â Â Â Â Â Â Â Â Treatment or additional treatment is necessary to continue an
existing use or to assure a potential use of the groundwater; or
2)Â Â Â Â Â Â Â Â An existing or potential use of the groundwater is precluded.
b)Â Â Â Â Â Â Â Â Nothing in this Section prevents the establishment of a
groundwater management zone under Section 620.250 or a cumulative impact area
within a permitted site.
c)Â Â Â Â Â Â Â Â Nothing in this Section limits underground injection in
compliance with an underground injection control program administered by the
Agency under the Act, by the Department of Natural Resources, Office of Mines
and Minerals under the Illinois Oil and Gas Act (225 ILCS 725), or by USEPA
under the federal UIC regulations [40 CFR 144].
d)Â Â Â Â Â Â Â Â Nothing in this Section limits the Board from promulgating
nondegradation provisions applicable to types of facilities or activities that
impact groundwater, including landfills regulated under 35 Ill. Adm. Code:
Subtitle G.