Lanie has served on the board since 2003, when he served the remainder of the term of the late Mike Rokicki. He was elected to his second term in 2007.
Lanie and his wife will be moving to Indianapolis.
Tuesday's council meeting will be Lanie's last. The city will be hosting a reception for Lanie at 6 p.m. with the regular meeting to follow at 7 p.m.