Great Lakes States (A) In general For each fiscal year, in awarding grants under the Program, the Administrator shall determine the maximum amount that may be awarded to each Great Lakes State based on the relative needs of each Great Lakes State, as determined by the most recent Clean Watersheds Needs Survey carried out by the Administrator pursuant to section 516(b). (B) Unawarded amounts If the Secretary does not award to a Great Lakes State the maximum amount available to the Great Lakes State under subparagraph (A) for a fiscal year, the Secretary shall make the remaining amounts for that fiscal year available to the Great Lakes State in subsequent fiscal years. (2) Priority for certain projects (A) In general In awarding grants to a Great Lakes State under the Program, the Administrator shall give priority to applications to fund programs and activities that present the greatest need and urgency, as determined by the Administrator. (B) Consideration of State assessment of need and urgency In making a determination of need and urgency under subparagraph (A), the Secretary shall take into consideration each applicable assessment of relative need and urgency prepared by the Great Lakes State under subsection (c)(2). (e) Subgrants A Great Lakes State receiving a grant under the Program may make subgrants to any entity or individual in the Great Lakes State for programs and activities to develop green infrastructure projects. (f) Allocation of grant funds received by Great Lakes States (1) In general Of any amounts awarded to a Great Lakes State under the Program, the Great Lakes State shall ensure that— (A) not less than 50 percent of those amounts are used for— (i) capital expenditures relating to green infrastructure projects, including any expenses for cost estimates or project planning and design