; (ii) that have low water use; or (iii) whose lead service lines are among the longest served by the public water system; and (B) residential facilities at which one or more pregnant women or children reside. (2) The term lead service line means a service line that is not lead free (within the meaning of section 1417). (3) The term publicly available means that a report is— (A) written in plain language that is culturally and linguistically appropriate; and (B) (i) published on a publicly accessible website of the public water system; or (ii) if the system does not maintain a publicly accessible website, distributed by carrier route to the persons served by the system. . 3. To lower the action level for lead in drinking water 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 new paragraph: (16) Lead in drinking water The Administrator shall revise the national primary drinking water regulation for lead to ensure that— (A) not later than December 31, 2020, the action level for lead in drinking water is not more than 10 parts per billion; and (B) not later than December 31, 2026, the action level for lead in drinking water is not more than 5 parts per billion. .