On July 22nd 2019 at 20:34 hrs, Station 18 Folsom Fire Company was dispatched to 1906 W MacDade Blvd for a reported CO alarm. Upon the arrival of ENG 18 occupants were already evacuated from the 2nd floor apt. Crews entered the building with air packs and found a CO reading of 41PPM and climbing near the water heater. PECO requested to respond and the occupants were advised to remain outside until PECO cleared them to reenter the apt. The company was in service for 37 minutes under the command of Chief Joe Carollo.