This report investigates the complex relationship between drinking water quality and human health, examining the scientific evidence for various health effects associated with water contaminants. The Safe Drinking Water Committee of the National Research Council synthesized available research to provide a comprehensive overview of the risks and benefits associated with different levels and types of water exposure.

This report is regarded as a foundational scientific assessment of drinking water's impact on public health. It synthesizes a broad range of scientific literature to inform policy and public understanding. The comprehensive scope and detailed analysis of contaminants provide a valuable resource for researchers and regulators.