; (3) provide compensation for the construction of any water conveyance facilities as are necessary to convey water to any new powerhouse constructed by such owner in association with such new hydroelectric generating facilities; and (4) provide for subsections (b)(1), (b)(2), and (b)(3) at a cost not to exceed the estimated value of the actual impacts to any existing non-Federal hydroelectric project and as estimated for the associated feasibility study, including additional planning, environmental, design, construction, and operations and maintenance costs for existing and replacement facilities. (c) Cost allocation Any compensation under this section shall be a project cost and allocated to project beneficiaries. (d) Applicability This section shall only apply to federally owned water storage projects, whether authorized under this Act or some other authority. (e) Limitation Nothing in this section affects the ability of landowners or tribes to seek compensation or any other remedy otherwise required by law. 406. CA State Water Resources Control Board (a) In general In carrying out this Act, the Secretaries shall— (1) recognize Congressional opposition to the violation of private property rights by the California State Water Resources Control Board in their proposal to require a minimum percentage of unimpaired flows in the main tributaries of the San Joaquin River