Emergency OASIS Act

Section 1412(b) of the Safe Drinking Water Act (42 U.S.C. 300g–1(b)) is amended by adding at the end the following:

Not later than 1 year after the date of enactment of the Emergency OASIS Act, the Administrator shall promulgate a regulation to require each community water system to flush its distribution system if—

(A) the concentration of any contaminant in the drinking water of the community water system has exceeded the applicable maximum contaminant level for longer than 6 months; or

(B) drinking water has stood motionless in the distribution system of the community water system for longer than 6 months.

Section 1431 of the Safe Drinking Water Act (42 U.S.C. 300i) is amended by adding at the end the following:

(c) The actions the Administrator may take under subsection (a) also include, with respect to a community water system that is the subject of an order issued under subsection (a)—

(1) carrying out testing for metalloid contaminants at not more than 25, but not less than 10 percent, of the service connections of such a community water system; and

(2) providing alternative water supplies in accordance with subsection (d).

(d) If the Administrator determines that, after a period of 7 days beginning on the date on which an order is issued under subsection (a), a community water system has not provided alternative water supplies as required by such order—

(1) the Administrator may provide such alternative water supplies; and

(2) if the Administrator provides such alternative water supplies under paragraph (1), the Administrator may require the owner of the community water system to pay an amount that is not less than twice the cost of providing such alternative water supplies.

(e) Any community water system that is required to provide alternative water supplies under an order issued under subsection (a) may not increase any fees, rent, or other costs on customers in order to comply with such order.