1. Short title This Act may be cited as the Brownfields Reauthorization Act of 2023 . 2. Improving small and disadvantaged community access to grant opportunities Section 104(k) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9604(k) ) is amended— (1) in paragraph (1)(I), by inserting or 501(c)(6) after section 501(c)(3) ; (2) in paragraph (5), by striking subparagraph (E); (3) in paragraph (6)(C), by striking clause (ix) and inserting the following: (ix) The extent to which the applicant has a plan— (I) to engage a diverse set of local groups and organizations that effectively represent the views of the local community that will be directly affected by the proposed brownfield project; and (II) to meaningfully involve the local community described in subclause (I) in making decisions relating to the proposed brownfield project. ; (4) in paragraph (10)(B)(iii)— (A) by striking 20 percent and inserting 10 percent ; (B) by inserting the eligible entity is located in a small community or disadvantaged area (as those terms are defined in section 128(a)(1)(B)(iv)) or after unless ; and (C) by inserting , in which case the Administrator shall waive the matching share requirement under this clause before ; and ; and (5) in paragraph (13), by striking 2019 through 2023 and inserting 2024 through 2029 . 3. Increasing grant amounts Section 104(k)(3)(A)(ii) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9604(k)(3)(A)(ii) ) is amended by striking $500,000 and all that follows through the period at the end and inserting $1,000,000 for each site to be remediated. . 4. State response programs Section 128(a) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9628(a) ) is amended— (1) in paragraph (1)(B)(i), by striking or enhance and inserting , enhance, or implement