Sylvia Stadelman, 10, of Wilton, center, splashes her sister, Evelyn, 12, while friend, Ava Caudell, 9, of Farmington looks on Thursday at Wilson Pond in Wilton. Donna M. Perry/Sun Journal

Evelyn Stadelman, 12, of Wilton, left, her sister, Sylivai, 10, center, and Ava Caudell, 9, of Farmington test the water Thursday at Wilson Pond in Wilton. Donna M. Perry/Sun Journal

Sylvia Stadelman, 10, left, her sister Evelyn Stadelman, 12, both of Wilton, and their friend Ava Caudell, 9, of Farmington cool off Thursday in Wilson Pond in Wilton. Donna M. Perry/Sun Journal