Much progress has been made in assuring the quality of public water supplies since the SDWA was first enacted in 1974. However, an array of issues remain. Contents of this report: (1) Last Major Reauthor. and Amend.; Regulated Public Water Systems; (2) Issues: Regulating Drinking Water Contaminants: Contaminant Candidate List; Regulatory Determinations; Unreg. Contaminant Monitoring; Standard-Setting; Recent and Pending Rules; Pharmaceuticals in Drinking Water; Drinking Water Infrastructure Needs and Funding; Small Systems Issues: Exemptions; Small System Variances and Affordability; Small System Legislation; Underground Injection Control Program: Carbon Sequestration and Storage; Hydraulic Fracturing. Tables.