(IL American Water) WNW of Tremont, Tazewell County, IL. IL9 W. 2.3 miles from jct with I155 exit 25 on the E. side of Tremont, N. on 21630E Rd. 0.4 miles to the tower on the E. side of the road. (5-24-09, N40 32.381 W89 31.073)