This chapter advances SDG 6 by summarizing water contaminants (that have been included in current promulgated regulations) and emerging agents (that have been considered as contaminant candidates which may require further regulation), current regulations, and treatment options.

This book chapter advances SDG 6 by explaining regulatory standards for drinking water.

This chapter advances SDG 6 by explaining proactive management of drinking-water safety and quality.

This chapter advances SDG 6 by explaining water pollution from an environmental, health and ecosystem perspective.

This chapter advances SDG 6 by reviewing the evidence on health and nonhealth benefits of water and sanitation investments that are common in developing countries. It further explores evidence on valuation for these interventions and discusses the implications of the evidence on valuation for government policy to support improvements in this sector.