1. Short title This Act may be cited as the Restore Aging Infrastructure Now Act or the RAIN Act . 2. Extraordinary operation and maintenance work; project modification (a) Definitions Section 9601 of the Omnibus Public Land Management Act of 2009 ( 43 U.S.C. 510 ) is amended— (1) by redesignating paragraphs (1), (2), (3), (4), (5), (6), and (7) as paragraphs (4), (7), (9), (10), (11), (12), and (3), respectively, and moving the paragraphs so as to appear in numerical order; (2) by inserting before paragraph (3) (as so redesignated) the following: (1) Adverse impact The term adverse impact means, with respect to a project modification, a reduction in water quantity or quality or a change in the timing of water deliveries available to a project beneficiary from the modified project as compared to the water quantity or quality or timing of water deliveries from— (A) the project with restored capacity, if the extraordinary operation and maintenance work under section 9603 is intended to restore lost project capacity; (B) the project prior to undertaking the extraordinary operation and maintenance work under section 9603, if the extraordinary operation and maintenance work is for any purpose other than to restore lost project capacity; or (C) project operations of the modified project without an increase in benefits for a new project beneficiary under section 9603(e)(1)(E). (2) Disadvantaged community The term disadvantaged community has the meaning given the term low-income community in section 45D(e) of the Internal Revenue Code of 1986. ; (3) in paragraph (3) (as so redesignated)— (A) in subparagraph (A), by striking and at the end; (B) in subparagraph (B), by striking the period at the end and inserting ; and ; and (C) by adding at the end the following: (C) inclusive of any modifications to the facilities or facility components authorized under section 9603(e).