Section 1. Short title
This Act may be cited as the Clean Water Affordability Act.
Section 2. Water pollution control revolving loan funds
Section 603(i) of the Federal Water Pollution Control Act (33 U.S.C. 1383(i)) is amended—
(1) in paragraph (1)(A)—
(A) in the matter preceding clause (i), by striking in assistance; and
(B) in clause (ii)(III), by striking to such ratepayers and inserting to help such ratepayers maintain access to wastewater (including stormwater) treatment services; and
(2) by striking paragraph (3) and inserting the following:
(A) In general
A State may use for providing additional subsidization in a fiscal year under this subsection an amount that does not exceed the greater of—
(i) 50 percent of the total amount received by the State in capitalization grants under this title for the fiscal year; or
(ii) the annual average over the previous 10 fiscal years of the amounts deposited by the State in the State water pollution control revolving fund from State moneys that exceed the amounts required to be so deposited under section 602(b)(2).
(B) Minimum
To the extent there are sufficient applications for additional subsidization under this subsection that meet the criteria under paragraph (1)(A), a State shall use for providing additional subsidization in a fiscal year under this subsection an amount that is not less than 20 percent of the total amount received by the State in capitalization grants under this title for the fiscal year.
(4) Exclusion
A loan from the water pollution control revolving fund of a State with an interest rate equal to or greater than 0 percent shall not be considered additional subsidization for the purposes of this subsection.