SIOUX FALLS, S.D. (KELO) -- Crews are hard at work maintaining a Sioux Falls water tower along 57th Street, a project that includes sandblasting the structure down to bare steel before applying new protective coatings. The 1.5-million-gallon tower entered maintenance on Aug. 3. Darin Freese, water p rogram coordinator, said water tower maintenance begins with an [...] ...read more read less