Ill. Admin. Code tit. 17 § 3706.220
Current through Register Vol. 48, No. 41, October 11, 2024
All elevations shown on the State Flood Plain Map and on the associated regulatory flood profiles shall refer to mean sea level (1929 adjustment) or other standard datum. The datum used shall be indicated.
Ill. Admin. Code tit. 17, § 3706.220
Amended at 3 Ill. Reg. 29, p. 192, effective July 21, 1979