35 Ill. Adm. Code 620.220
Class II: General Resource Groundwater
Section 620
Section 620.220Â Class II: Â General
Resource Groundwater
Except as provided in Section
620.250, General Resource Groundwater is as described in subsection (a) or (b):
a)Â Â Â Â Â Â Â Â Groundwater that does not meet Section 620.210 (Class I),
Section 620.230 (Class III), or Section 620.240 (Class IV); or
b)Â Â Â Â Â Â Â Â Groundwater that is determined by the Board, under the
procedures specified in Section 620.260, to be capable of agricultural,
industrial, recreational, or other beneficial uses.