(Polk Co., IA) -- The Polk County Sheriff's Office has released the name of a man whose body was recovered from Saylorville Lake this (Tuesday) morning. The Sheriff's Office says 42-year-old Kalpesh Patel fell off a boat into the lake around 6 p.m. Monday and never resurfaced. Cadaver dogs and sonar equipment identified a possible location for the man around 10:15 a.m. today and the body was recovered around 10:30 a.m.