35 Ill. Adm. Code 303.205
Outstanding Resource Waters
Section 303
Section 303.205Â Outstanding
Resource Waters
An Outstanding Resource Water
(ORW) is a surface water body or water body segment that is of exceptional
ecological or recreational significance and must be designated by the Board under
35 Ill. Adm. Code 102.Subpart H.
a)Â Â Â Â Â Â Â Â Outstanding Resource Waters (ORW) must be listed in Section
303.206. In addition to all other applicable use designations and water quality
standards contained in this Subtitle, an ORW is subject to the antidegradation
provision of 35 Ill. Adm. Code 302.105(b).
b)Â Â Â Â Â Â Â Â A petition to designate a surface water body or water body
segment as an ORW must be submitted to the Illinois Pollution Control Board under
the procedural rules in 35 Ill. Adm. Code 102.Subpart H.