The Turlock Fire Department has been recognized for excellence, and that could mean lower home and business insurance rates for Turlockers. Turlock Firefighters Local 2434 announced that the Turlock Fire Department’s Insurance Services Offices, Inc. (ISO) rating will upgrade to Class 2 on May 1. The department is currently rated Class 3. The ISO assigns ratings to fire departments and cities based on on firefighting equipment, staffing, training, and location of fire stations, along with an evaluation of the dispatch system and water systems available to suppress fires.