No privy or other place for the deposit or storage of human excreta shall be constructed, located or maintained on any of the lands embraced within the area of the reservoir. No human excreta shall be placed, left or stored on said reservoir area. No installation of any sewage disposal plant shall be made without the approval of the board and the State Department of Health, and shall not be put into use until the finished work has been accepted and the use permitted by the board and the State Department of Environmental Conservation.