Ill. Admin. Code tit. 35, § 855.212
Payment shall be made by check or money order payable to the Illinois Environmental Protection Agency. Such payment, together with all documents required under Sections 855.210 or 855.207, as applicable, shall be mailed to the Agency at the following address:
Fiscal Services
Illinois Environmental Protection Agency
2520 West Iles Avenue
P.O. Box 19276
Springfield, Illinois 62794-9276
(Source: Amended at 50 Ill. Reg. 278, effective December 23, 2025)