Contents: Drinking Water Prior to 1974; Overview of the Safe Drinking Water Act (SDWA) & the Nat. Drinking Water Program; The Original SDWA; The 1986 & 1996 SDWA Amendments; The History of Drinking Water Treatment; Protecting Drinking Water Sources; Compliance Trends for Community Water Systems; Waterborne Disease Outbreaks; The Cost of Safe Drinking Water; Issues Facing Small Systems; Success & Challenges Ahead; & References. Appendices: Glossary; Contaminants Regulated Under the 1962 Public Health Service Standards; Commonly Used Drinking Water Treatment Technologies; Legislation Related to the SDWA; Types of Underground Injection Wells; & Data from the Safe Drinking Water Info. System. Illus.