UN-Water’s work encompasses all aspects of freshwater and sanitation. Over the years, agencies within the United Nations have developed specific expertise on an array of themes within this wide remit. The thematic index below provides access to specialist resources on each topic.

Agriculture 21 (FAO)

Bathing waters (WHO)
Benchmark basins (IWMI)
Benchmarking Water and Sanitation Utilities (World Bank)
Benchmarking in the irrigation and drainage sector (IPTRID/WB/IWMI/ICID/FAO)
Burden of disease (WHO)

Coastal and marine management (World Bank)
Common water and sanitation-related diseases (UNICEF)
Community management (World Bank)
Control of water pollution from agriculture (FAO)
Crop water management (FAO)

Dams and reservoirs (World Bank)
Disaster Reduction (ISDR)
Disease outbreaks (WHO)
Drinking water quality (WHO)

Early warning system on food and agriculture (FAO)
Economics of water and sanitation (World Bank)
Emergencies - Health Action in Crises (WHO)
Emergency relief and rehabilitation (FAO)
Emerging issues in water and infectious disease (WHO)
Environmental impact assessment of irrigation and drainage projects (FAO)
Environmental sanitation Network (Sanitation Connection)

Fact sheets on water, environment and sanitation (UNICEF)
Fisheries (FAO)
Floods and droughts (WHO)
Food insecurity and vulnerability (FAO)
Food security (FAO)
Flood Management

Gender equity (UNICEF)
Gender mainstreaming (UNICEF)
Global environmental change and health (WHO)
Groundwater - Water Resources Management (World Bank)
Groundwater management (IWMI)
Groundwater Resources Assessment

Health and Environment (IWMI)
Health impact assessment (WHO)
Health in water resources development (WHO)
Health - Water for positive health (WHO)
HIV/AIDS and water, sanitation and health (IRC)
Household water treatment and safe storage (WHO)
Hygiene (UNICEF)

Institutional restructuring of the irrigation sector (FAO)
Institute for Water Education (UNESCO-IHE)
Irrigation and drainage (World Bank)
Irrigation and drainage Papers (FAO)
Irrigation water for drinking water and domestic use (IWMI)

Land and water information (FAO)
Land and water linkages in rural watersheds (FAO)
Legislation - Water Law and Standards (FAO/WHO)

Malaria and water management (IWMI)
Management of agricultural drainage water quality (FAO)

Naturally-occurring hazards to health (WHO)
Nile Basin Initiative (World Bank)

On-farm water control and management (FAO)
Operator financing - Water supply and sanitation (World Bank)

Participation and gender (Water and Sanitation Programme)
Participatory irrigation management (INPIM)
Partnerships (Building Partnerships for Development)
Performance Indicators of African water utilities (Water Utilities Partnerships)
Pesticide use and abuse in irrigated areas (IWMI)
Pollution from industry, mining and agriculture (WHO)
Pricing and tarrifs (World Bank)
Private participation in water and sanitation (World Bank)
Private participation in infrastructure database (World Bank)
Private sector development (World Bank)

Quality control of wastewater for irrigated crop production (FAO)

Reforming water resources policy (FAO)
Reform of the water and sanitation sector (Water Utilities Partnership)
Right to Food (FAO)
River basin management (World Bank)
Rural and small towns (Water and Sanitation Programme)
Rural water supply and sanitation financing (World Bank)

Sanitation, health and hygiene (Water and Sanitation Programme)
Sanitation: Controlling problems at source (WHO)
Sanitation, Wastewater Management and Hygiene Promotion (World Bank)
Service provision for the urban poor (Water Utilities Partnership)
Services to the Urban Poor (Water and Sanitation Programme)
Serving the poor (Building Partnership for Development)

Technology - International Programme for Technology and Research in Irrigation and Drainage (IPTRID)
Technologies - Irrigation equipment supply database (FAO)
Transboundary water management (World Bank)
Technology Transfer in Hydrology and Water Resources

Unaccounted for water (Water Utilities Partnership)
Use of saline waters in crop production (FAO)

Wastewater treatment and use in agriculture (FAO)
Wastewater use (WHO)
Wastewater use for agriculture (IWMI)
Water and Environment (World Bank)
Water, environment and sanitation (UNICEF)
Water economics (World Bank)
Water law (FAO)
Water management and irrigation systems (FAO)
Water quality (FAO)
Water quality management and environmental effects (FAO)
Water resource quality (WHO)
Water Resources Institutions and Policy (IWMI)
Water Resources Management (World Bank)
Water sector policy (FAO)
Water supply and sanitation (World Bank)
Water supply and sanitation monitoring (WHO)
Water, health and human rights (WHO)
Water, sanitation and education (UNICEF)
Water, sanitation and hygiene development (WHO)
Waterlogging and salinity control (FAO)
Water-related disease (WHO)
Watershed management (World Bank)
Wetlands and biodiversity (IWMI)
Women and girls - Water, environment and sanitation (UNICEF)
World Hydrological Cycle Observing System (WHYCOS)