; and ; and (3) by adding at the end the following: (D) a list that includes— (i) any public water system in the State that— (I) has in effect an exemption or variance for any national primary drinking water regulation; (II) is in persistent violation of any requirement for a maximum contaminant level or treatment technique under a national primary drinking water regulation; or (III) the State or Administrator determines may present an imminent and substantial endangerment to the health of persons (within the meaning of section 1431(a)); (ii) the relevant national primary drinking regulation for the exemption, variance, or violation; and (iii) (I) the effective date of the exemption or variance; or (II) the date on which the persistent violation began. . (b) Advice and technical assistance Section 1414(a)(1) of the Safe Drinking Water Act ( 42 U.S.C. 300g–3(a)(1) ) is amended— (1) in subparagraph (A)— (A) in the matter preceding clause (i), by striking Whenever and inserting The Administrator shall notify the State and the public water system of noncompliance by the public water system if ; (B) in clause (ii), by striking pursuant thereto, and inserting in accordance with that variance or exemption. ; and (C) by striking the undesignated matter following clause (ii); and (2) by adding at the end the following: (C) Advice and technical assistance (i) In general After providing notice of noncompliance to the State and the public water system under subparagraph (A), the Administrator may provide such advice and technical assistance to the State and public water system as the Administrator determines appropriate to bring the public water system into compliance with the variance or exemption by the earliest date feasible. (ii) Considerations In making a determination to provide advice and technical assistance under clause (i), the Administrator may consider— (I) the potential for the noncompliance to result in a serious adverse effect to human health