(a) No department or agency of the federal government shall construct any flood control dam that is within the State of Vermont, either in whole or in part, or cause any land within the State of Vermont to be overflowed through the operation of a flood control dam located outside the State, except with the approval of the Governor and the General Assembly.

(b) For purposes of this section "flood control dam" means any dam that has among its principal purposes the prevention or control of floods either within or without the State, or that is financed in whole or in part with funds appropriated, allocated, or made available under a federal flood control program, excepting programs under Public Law 83-566, known as the Watershed Protection and Flood Prevention Act. (Added 1971, No. 167 (Adj. Sess.), § 3.)