City of Tucson Vice Mayor and Ward 3 Council Member Kevin Dahl and Tucson Parks and Recreation are excited to celebrate the opening of Mansfield Pool, 2275 N. 4th Ave., and its new water slide on Saturday, June 1, at 3 p.m. The pool will be open from 1-7 p.m. and a community celebration will be hosted from 3-7 p.m. Be one of the first people down the water slide and enjoy free swimming, music, food, and “Ready, Set, Rec!” with some fun water games.