1. Short title This Act may be cited as the Clean Water Standards for PFAS Act of 2020 . 2. Clean Water Act effluent standards, pretreatment standards, and water quality criteria for PFAS (a) Review and regulation of substances and sources (1) Review (A) In general As soon as practicable, but not later than September 30, 2021, and biennially thereafter, the Administrator shall publish in the Federal Register a plan under subsection (m) of section 304 of the Federal Water Pollution Control Act ( 33 U.S.C. 1314 ) that contains the results of a review, conducted in accordance with such section, of the introduction or discharge of perfluoroalkyl and polyfluoroalkyl substances from classes and categories of point sources (other than publicly owned treatment works). (B) Inclusions The Administrator shall include in each plan published pursuant to subparagraph (A)— (i) information on potential introduction or discharges of perfluoroalkyl and polyfluoroalkyl substances; (ii) any information gaps on such introduction or discharges and the process by which the Administrator will address such gaps; (iii) for each measurable perfluoroalkyl and polyfluoroalkyl substance that is not on the list of toxic pollutants described in section 307(a) of the Federal Water Pollution Control Act, a determination, in accordance with the requirements of such section, whether or not to add the substance to such list