The state board of social welfare is hereby authorized and empowered to enter into agreements with the city of Atchison or any agency or instrumentality thereof whereby the said board of social welfare shall agree to sell and convey to the city of Atchison or any agency or instrumentality thereof the present sewer and water lines owned by the state of Kansas, which connects the Kansas children’s receiving home and the sewer and water lines of the city of Atchison or any agency or instrumentality thereof, upon the conditions that the city or any agency or instrumentality thereof shall thereafter agree to maintain said lines and to provide the Kansas children’s receiving home with adequate sewage disposal facilities and water supply for current and future needs of the Kansas children’s receiving home. Upon the execution of such agreement, the state board of social welfare shall sell and convey such sewer and water lines, together with all easements in connection therewith to the city of Atchison or any agency or instrumentality thereof, and the said city of Atchison or any agency or instrumentality thereof is authorized and empowered to accept such sewer or water lines subject to the conditions hereinbefore specified, and to provide for the maintenance thereof, even though a part of such sewer or water line is located outside of such city. The board is authorized to enter into separate agreements pursuant to this act regarding the sewer line and the water line and each separate agreement when entered into shall become effective separate from any agreement with respect to the other utility line.