Lewisville Fire Department has dedicated, outstanding employees and volunteers who provide fire and life safety services in t ... he Lewisville Fire and West Bend Service Districts of Forsyth County, North Carolina. In addition to the districts, the fire department provides automatic and mutual aid assistance to surrounding areas. The Lewisville Fire District is 33 square miles with approximately 19,000 residents. The fire district ISO rating is Class 4. Services provided by the department include: Fire suppression, emergency medical care, hazardous materials mitigation, water rescue, and life safety education. read more