MESA, Ariz. – If you’re headed to Saguaro Lake to celebrate Labor Day, you may notice your cell phone working less than usual at this popular Mesa location. The Maricopa County Sheriff’s Office said cell service at Saguaro Lake is unavailable because of storm damage. Cellular providers are working to restore service, but in the meantime, MCSO urges lakegoers to report any emergencies using call boxes at the lake.