; (5) a description of how the proposed project would improve the performance of the publicly owned treatment works under an anticipated natural hazard; and (6) an explanation of how the proposed project is expected to enhance the resilience of the publicly owned treatment works to an anticipated natural hazard. (e) Grant amount and other Federal requirements (1) Cost share A grant under the program shall not exceed 75 percent of the total cost of the proposed project. (2) Requirements The requirements of section 608 shall apply to a project funded with a grant under the program. (f) Authorization of appropriations There is authorized to be appropriated to carry out this section $5,000,000 for each of fiscal years 2020 through 2024. . 3. Drinking water infrastructure resilience and sustainability Section 1459A of the Safe Drinking Water Act ( 42 U.S.C. 300j–19a ) is amended— (1) in subsection (c), in the matter preceding paragraph (1), by inserting (except for subsection (l)) after this section ; and (2) in subsection (l)— (A) in paragraph (2)— (i) by striking The Administrator may and inserting The Administrator shall ; and (ii) by striking fiscal years 2019 and 2020 to eligible entities and inserting fiscal years 2020 through 2024 to community water systems ; (B) in paragraph (3)— (i) in the matter preceding subparagraph (A), by striking An eligible entity and inserting A community water system ; and (ii) in subparagraph (F), by striking eligible entity and inserting community water system ; (C) in paragraph (4), by striking eligible entity each place it appears and inserting community water system ; and (D) in paragraph (5), by striking $4,000,000 for each of fiscal years 2019 and 2020 and inserting $5,000,000 for each of fiscal years 2020 through 2024 .