The Commissioner of the Department, with the approval of the Secretary of Natural Resources, the Secretary of Administration, and the Emergency Board, may transfer any unexpended balance of funds between a municipal pollution control or water supply planning or construction and storm water separation project authorized under this chapter if, in his or her judgment, financial or economic conditions are such that the best interests of the State would be served thereby. (Added 1975, No. 254 (Adj. Sess.), § 139; amended 1981, No. 222 (Adj. Sess.), § 37; 1987, No. 76, § 18.)