PUBLIC LAW 104-182—AUG. 6, 1996 110 STAT. 1639 submitted by public water systems serving Indian Tribes provided to the Administrator pursuant to subparagraph (C) or (D) of paragraph (2) and making recommendations concerning the resources needed to improve compHance with this title. The report shall include information about public water system compliance on Indian reservations and about enforcement activities undertaken and financial assistance provided by the Administrator on Indian reservations, and shall make specific recommendations concerning the resources needed to improve compliance with this title on Indian reservations. " (4) CONSUMER CONFIDENCE REPORTS BY COMMUNITY WATER SYSTEMS. — "(A) ANNUAL REPORTS TO CONSUMERS. —The Adminis- Regulations, trator, in consultation with public water systems, environmental groups, public interest groups, risk communication experts, and the States, and other interested parties, shall issue regulations within 24 months after the date of enactment of this paragraph to require each community water system to mail to each customer of the system at least once annually a report on the level of contaminants in the drinking water purveyed by that system (referred to in this paragraph as a 'consumer confidence report'). Such regulations shall provide a brief and plainly worded definition of the terms 'maximum contaminant level goal', 'maximum contaminant level', 'variances', and 'exemptions' and brief statements in plain language regarding the health concerns that resulted in regulation of each regulated contaminant. The regulations shall also include a brief and plainly worded explgmation regarding contaminants that may reasonably be expected to be present in drinking water, including bottled water. The regulations shall also provide for an Environmental Protection Agency toll-free jfiotline that consumers can call for more information and explanation. "(B) CONTENTS OF REPORT. —The consumer confidence reports under this paragraph shall include, but not be limited to, each of the following: "(i) Information on the source of the water purveyed. "(ii) A brief and plainly worded definition of the terms 'maximum contaminant level goal', 'maximum contaminant level', 'variances', and 'exemptions' as provided in the regulations of the Administrator. "(iii) If any regulated contaminant is detected in the water purveyed by the public water system, a statement setting forth (I) the maximum contaminant level goal, (II) the maximum contaminant level, (III) the level of such contaminant in such water system, and (IV) for any regulated contaminant for which there has been a violation of the maximum contaminant level during the year concerned, the brief statement in plain language regarding the health concerns that resulted in regulation of such contaminant, as provided by the Administrator in regulations under subparagraph (A).