35 Ill. Adm. Code 395.208
Notification
Section 395
Section 395.208 Notification
Notification of issuance, waiver
or denial of certification shall be given to:
a) The applicant;
b) The Regional Administrator, USEPA;
c) The federal licensing or permitting authority; and
d) Any other state whose waters are or may be affected by the
discharge, as determined by the Regional Administrator pursuant to Section 401(a)(2)
of the Clean Water Act.