; (vii) reimbursement or success payments to any public or private entity that achieves predetermined outcomes on a pay-for-performance or pay-for-success basis; and (viii) grants, loans, or credit enhancement for community development financial institutions, green banks, and other financial intermediaries providing ongoing finance for eligible projects that meet the purposes of this section. (4) Small community projects For projects eligible for assistance under this section and section 5028(a)(2)(B) of the Water Resources Reform and Development Act of 2014 ( 33 U.S.C. 3907(a)(2)(B) ), the Secretary may assist applicants in combining 1 or more projects into a single application in order to meet the minimum project cost of $5,000,000 required under that section. (5) Cost-sharing requirement; certain uses (A) Cost sharing The Federal share of the eligible costs of a water supply project under this section shall be not more than 25 percent. (B) Certain uses A water supply project that receives assistance under this section may use not more than 5 percent of amounts made available under this section to carry out activities to demonstrate progress toward the goals of the water supply project. (6) Determination of net ecosystem benefits (A) Draft report (i) In general Using the best available scientific information and data, the Director of the United States Fish and Wildlife Service shall prepare a draft report that evaluates the ecosystem impacts and benefits of each proposed water supply project being considered for financial assistance under this section. (ii) Coordination A draft report required under clause (i) shall be prepared in coordination with the head of the State agency with jurisdiction over the fish and wildlife resources of the State in which the water supply project is proposed to be carried out. (iii) Applicable law; requirements A draft report prepared under clause (i) shall— (I) meet the requirements of section 2(b) of the Fish and Wildlife Coordination Act ( 16 U.S.C. 662(b) )