; and (11) any other appropriate activities, as determined by the Secretary, in consultation with— (A) the Administrator of the Environmental Protection Agency; (B) the Secretary of Transportation; (C) the Secretary of Agriculture; and (D) the Secretary of Housing and Urban Development. (e) Authorization of appropriations There is authorized to be appropriated to the Secretary to carry out this section $2,000,000,000 for each of fiscal years 2020 through 2024. 308. Rural water supply program reauthorization (a) Authorization of appropriation Section 109(a) of the Rural Water Supply Act of 2006 ( 43 U.S.C. 2408(a) ) is amended by striking 2016 and inserting 2026 . (b) Termination of authority Section 110 of the Rural Water Supply Act of 2006 ( 43 U.S.C. 2409 ) is amended by striking 2016 and inserting 2026 . 309. Combating PFAS Section 1412 of the Safe Drinking Water Act ( 42 U.S.C. 300g–1 ) is amended by adding at the end the following: (f) Perfluoroalkyl and polyfluoroalkyl substances (1) In general Notwithstanding any other provision of this Act and subject to paragraph (3), the Administrator shall promulgate under subsection (b)(1)(D) an interim national primary drinking water regulation— (A) for each perfluoroalkyl or po­ly­fluo­ro­al­kyl substance described in paragraph (2) for which the Administrator has established a health advisory under subsection (b)(1)(F) or a toxicity value, not later than 2 years after the date of enactment of this subsection