PUBLIC LAW 104-182—AUG. 6, 1996 110 STAT. 1637 "(C) Notice of the concentration level of any unregulated contaminant for which the Administrator has required public notice pursuant to paragraph (2)(E). " (2) FORM, MANNER, AND FREQUENCY OF NOTICE.— "(A) IN GENERAL,—The Administrator shall, by regula- Regulations, tion, and after consultation with the States, prescribe the manner, frequency, form, and content for giving notice under this subsection. The regulations shall— "(i) provide for different frequencies of notice based on the differences between violations that are intermittent or infrequent and violations that are continuous or frequent; and "(ii) take into account the seriousness of any potential adverse health effects that may be involved. " (B) STATE REQUIREMENTS.— " (i) IN GENERAL.— A State may, by rule, establish alternative notification requirements— "(I) with respect to the form and content of notice given under and in a manner in accordance with subparagraph (C); and "(II) with respect to the form and content of notice given under subparagraph (D). "(ii) CONTENTS. —The alternative requirements shall provide the same type and amount of information as required pursuant to this subsection and regulations issued under subparagraph (A). " (iii) RELATIONSHIP TO SECTION 1413. —Nothing in this subparagraph shall be construed or applied to modify the requirements of section 1413. " (C) VIOLATIONS WITH POTENTIAL TO HAVE SERIOUS ADVERSE EFFECTS ON HUMAN HEALTH.— Regulations issued under subparagraph (A) shall specify notification procedures for each violation by a public water system that has the potential to have serious adverse effects on human health as a result of short-term exposure. Each notice of violation provided under this subparagraph shall— "(i) be distributed as soon as practicable after the occurrence of the violation, but not later than 24 hours after the occurrence of the violation; "(ii) provide a clear and readily understandable explanation of— "(I) the violation; "(II) the potential adverse effects on human health; "(III) the steps that the public water system is taking to correct the violation; and "(IV) the necessity of seeking alternative water supplies until the violation is corrected; "(iii) be provided to the Administrator or the head of the State agency that has primary enforcement responsibility under section 1413 as soon as practicable, but not later than 24 hours after the occurrence of the violation; and "(iv) as required by the State agency in general regulations of the State agency, or on a case-by-case basis after the consultation referred to in clause (iii), considering the health risks involved—
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