; and (V) lead service lines are fully replaced on a set timetable and whenever contamination is detected. (iii) Scope of lead line replacement requirements Requirements to replace lead service lines under the revised regulations issued under clause (i) shall extend to all service lines controlled by public water systems, regardless of ownership. (E) Perfluorinated compounds Notwithstanding any other deadline established in this subsection, not later than 2 years after the date of enactment of the Lead Free Schools Act of 2017, the Administrator shall publish a maximum contaminant level goal and promulgate a national primary drinking water regulation for perfluorinated compounds. (F) 1,4 -dioxane Notwithstanding any other deadline established in this subsection, not later than 2 years after the date of enactment of the Lead Free Schools Act of 2017, the Administrator shall make a determination, pursuant to paragraph (1)(B)(ii), on whether to regulate 1,4-dioxane under this section. . 3. Definition of lead service line (a) In general Section 1401 of the Safe Drinking Water Act ( 42 U.S.C. 300f ) is amended by adding at the end the following: (17) Lead service line The term lead service line means a pipe and its fittings, which are not lead free (as defined in section 1417(d)), that connect the drinking water main to the building inlet. . (b) Conforming amendment Section 1459B(a) of the Safe Drinking Water Act (42 U.S.C. 300j–19b(a)) is amended by striking paragraph (4). 4. Competitive grant pilot program for drinking water fountain replacement for schools (a) In general Part F of the Safe Drinking Water Act ( 42 U.S.C. 300j–21 et seq.) is amended by adding at the end the following: 1465. Competitive grant pilot program for drinking water fountain replacement for schools (a) Establishment Not later than 180 days after the date of enactment of this section, the Administrator shall establish a competitive pilot grant program to provide assistance to local educational agencies for the replacement of drinking water