Water Supply Protection Act of 1993

[AI summary unavailable — showing source text] TABLE OF CONTENTS: Title I: Definitions Title II: Public Water Systems Title III: Protection of Underground Sources of Drinking Water Title IV: General Provisions Water Supply Protection Act of 1993 - Title I: Definitions - Amends the Safe Drinking Water Act to revise definitions. Title II: Public Water Systems - Directs the Administrator of the Environmental Protection Agency, if a contaminant occurs in drinking water at a level posing an unacceptable risk to public health or welfare, to promulgate national primary drinking water regulations that establish maximum contaminant levels or drinking water source protection or treatment requirements. Sets forth conditions under which a maximum contaminant level will be applied to a public water system. Authorizes each regulation that includes a standard for a chronic contaminant or requires treatment or source protection to include requirements for risk vulnerability assessments of such systems. Provides for treatment and source protection requirements if: (1) water treatment technology cannot reduce ambient levels of a contaminant to the maximum contaminant level that would otherwise be promulgated; or (2) commercially available water …