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Protecting Drinking Water Quality through Promotion of Water Safety Plans
Water Safety Plans (WSP) were introduced by the World Health Organization in the 3rd edition of the Guidelines for Drinking Water Quality (2004), Exit as a health-based, risk assessment approach to managing drinking water quality that:
- Identifies and prioritizes potential threats to water quality at each step in the water supply chain for a specific drinking water system; and,
- Implements best practices to mitigate those threats and ensure drinking water quality.
EPA began promoting Water Safety Plans (WSPs) to help partner countries improve drinking water quality in Latin America and the Caribbean, Asia and, more recently, Africa. Explore more information on EPA’s WSP work in Sub-Saharan Africa.
EPA’s WSP efforts began in Latin American and the Caribbean. In response to the devastation from Hurricane Mitch (October 1998), the US Environmental Protection Agency (EPA) began work addressing drinking water issues in Central America. The hurricane had caused severe damage to the region. The four components of EPA’s Hurricane Mitch activities were:
- laboratory capacity building;
- drinking water treatment plant optimization;
- source water protection; and
- safe drinking water program development.
An initial demonstration WSP was piloted in Spanish Town, Jamaica in 2006, in partnership with the US Centers for Disease Control (CDC) and the Pan American Health Organization (PAHO). Subsequently, other nations in Latin America and Central America including Brazil, Bolivia, Honduras, Costa Rica and Guyana all began developing WSPs, either on their own or with support from PAHO, CDC, and EPA.
Subsequent WSPs supported by EPA took place in India and are currently being implemented in Africa through a partnership with IWA.
- Case studies and related documents can be found on the Water Safety Portal hosted by WHO and the International Water Association.
- How to develop a water safety plan
- Water Safety Plan Network for Latin America and the Caribbean (WSP LAC/NET)
- WHO Water Safety Portal