This Act may be cited as the Western Water Infrastructure Fairness Act.

Section 595(e)(3) of the Water Resources Development Act of 1999 (113 Stat. 383) is amended— (1) in subparagraph (A), in the first sentence, by striking The Federal share of and inserting Except as provided in subparagraph (F), the Federal share of; and (2) by adding at the end the following: (F) Exception The Federal share of the cost of a project under this section benefitting an economically disadvantaged community (as defined pursuant to section 160 of the Water Resources Development Act of 2020 (33 U.S.C. 2201U.S. Code — Title 33, Section 2201View official source on GovInfo note; Public Law 116–260Public Law 116-260View official source on GovInfo)) shall be 90 percent..