The boards of commissioners of such districts shall be bodies politic and shall exercise and enjoy all the rights and privileges of such. They may purchase and build or contract for building such electric light, water supply, fire protection and sewerage systems, may lease, own, hold and acquire all necessary equipment and property for such purpose and operate it and may contract with existing light and water companies and municipalities for light, water and fire protection or contract and connect with existing sewerage systems of municipalities or other districts. They may supply and furnish lights and water and provide for fire protection and sewerage disposal to citizens of such districts and may require an exact payment of such rates, tolls, rentals and charges as they may establish for the use of lights, water, fire protection and the sewerage plant.