; or (ii) 5 percent below the amount provided to the State or territory or possession of the United States under this section for fiscal year 2019, if the total amount of funding under this section remains at or above 95 percent of that fiscal year 2019 funding level. (3) Allotment updates (A) In general The Administrator shall update the tables contained in paragraph (2) through application of the formula developed pursuant to subparagraph (B)— (i) by not later than September 30, 2022, to ensure updated allotments are in effect for fiscal year 2023; and (ii) thereafter, by not later than 1 year after the date of submission of any new clean watersheds needs survey and associated data under section 516(b)(1)(B). (B) Formula (i) In general The Administrator shall develop, by regulation, a formula for the calculation of allotments to States and territories and possessions of the United States under this section, in accordance with clauses (ii) and (iii). (ii) Requirements (I) Bases The formula under clause (i) shall be developed based on— (aa) the State needs identified in the most recently available clean watersheds needs survey prepared by the Administrator under section 516(b)(1)(B); (bb) the State population results of the most recent decennial census; and (cc) the most recently available water quality impairment component ratio published by the Administrator for purposes of this Act. (II) Weight In developing the formula under clause (i), the Administrator shall give— (aa) 50-percent weight to the survey referred to in subclause (I)(aa); (bb) 30-percent weight to the census referred to in subclause (I)(bb)