; and (II) there is a credible estimate of the quantity of the storage benefit of the natural water retention and release project during each of a wet year, a normal year, and a dry year. (6) Other authorization required Non-Federal storage projects with a Federal cost-share exceeding $250,000,000 may not be carried out under this subsection. (7) Federal cost share (A) In general Except as provided in subparagraph (B), the Federal share of the cost of any eligible project provided a grant under this subsection shall not exceed 25 percent of the total cost of the eligible project. (B) Exception The Federal share of the cost of a natural water retention and release project provided a grant under this subsection shall not exceed 90 percent of the total cost of the natural water retention and release project. (8) Reimbursability of funds (A) Nonreimbursable funds (i) Public benefits Subject to paragraph (7), any funds provided by the Secretary of the Interior to an eligible entity under this subsection for the value of public benefits described in subparagraphs (A) and (B) of section 2(10) of the Support To Rehydrate the Environment, Agriculture, and Municipalities Act shall be considered nonreimbursable. (ii) Water supply benefits of equal value to public benefits Subject to paragraph (7), any funds provided by the Secretary of the Interior for the value of Federal benefits provided under section 2(6)(D) of the Support To Rehydrate the Environment, Agriculture, and Municipalities Act shall be considered nonreimbursable to the extent that the value of the Federal benefits does not exceed the value of public benefits funded under clause (i) that are fish and wildlife or water quality benefits. (B) Reimbursable funds If funds provided to an eligible entity under subparagraph (A) are less than the amount of the maximum Federal cost share applicable to the eligible project under paragraph (7), the Secretary may provide reimbursable funds to an eligible entity for any Federal benefits provided under section 2(6)(D) of the