The board shall have the power to operate, maintain and repair the improvements acquired by the district, including, without limitation, the maintenance and repair of dedicated streets and alleys and the removal of snow therefrom, and all facilities of the district relating to any basic power which the district is authorized to exercise, and in connection therewith to exercise from time to time any one, all or any combination of the incidental powers provided in this chapter and any law supplemental thereto, except as may be otherwise provided in this chapter or in any such supplemental law.