For the purpose of carrying out any recommendation of the Watershed plan or any part of the plan, each county, through its appropriate county governing body or duly designated agency, in cooperation with the Department, may acquire land or other property, by means of donation, purchase, or condemnation, either in fee or by easement, located within the area of the county for the public purposes delineated in the plan. The appropriate county governing body or its duly designated agency may improve and develop the acquired land or other property for the purposes of the plan. The plan controls maintenance and operation of the land or other property.