A county has power to: (1) except as provided in 7-5-103(2)(d)(iv) and 7-5-121(2)(c)(iv), sue and be sued; (2) purchase and hold lands within its limits; (3) make contracts and purchase and hold personal property that may be necessary to the exercise of its powers; (4) make orders for the disposition or use of its property that the interests of its inhabitants require; (5) subject to 15-10-420, levy and collect taxes for public or governmental purposes, as described in 7-6-2527, under its exclusive jurisdiction unless prohibited by law.