Section 303.205  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)         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)         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.

(Source:  Amended at 47 Ill. Reg. 4575, effective March 23, 2023)