; or (2) an eligible entity that will use not less than 10 percent of the grant to provide service to a low-income or disadvantaged community, as determined by the Administrator. (f) Maximum amounts (1) Planning and development grants (A) Single grant The amount of a single planning and development grant provided under this section shall be not more than $200,000. (B) Aggregate amount The total amount of all planning and development grants provided under this section for a fiscal year shall be not more than 1/3 of the total amount made available to carry out this section. (2) Implementation grants (A) Single grant The amount of a single implementation grant provided under this section shall be not more than $3,000,000. (B) Aggregate amount The total amount of all implementation grants provided under this section for a fiscal year shall be not more than 2/3 of the total amount made available to carry out this section. (g) Federal share (1) In general Except as provided in paragraph (3), the Federal share of a grant provided under this section shall not exceed 65 percent of the total project cost. (2) Credit for implementation grants The Administrator shall credit toward the non-Federal share of the cost of an implementation project carried out under this section the cost of planning, design, and construction work completed for the project using funds other than funds provided under this Act. (3) Exception The Administrator may waive the Federal share limitation under paragraph (1) for an eligible entity that has adequately demonstrated financial need. 6. Environmental Protection Agency innovative stormwater control infrastructure promotion (a) In general The Administrator shall ensure that the Office of Water, the Office of Enforcement and Compliance, the Office of Research and Development, and the Office of Policy of the Environmental Protection Agency promote the use of innovative stormwater control infrastructure in and coordinate the integration of innovative stormwater control infrastructure into permitting