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Evaluation Databases

Africa Impact Evaluation Initiative

Facilitated by the International Food Policy Research Institute and Center for Research on Political Economy, the organization disseminates information about impact evaluation in Africa. Its website features a downloadable spreadsheet with data related to completed and ongoing evaluation projects, featuring at least a dozen WASH projects which all employ rigorous statistical methods.

African Development Bank Operations Evaluation

African Development Bank's evaluation department produces completed project evaluations, sector policy reviews, country assistance evaluations, and business process reviews. The three WASH evaluations completed thus far focus on Nigeria and Morocco.

Active Learning Network for Accountability and Performance in Humanitarian Action

Active Learning Network for Accountability and Performance in Humanitarian Action (ALNAP) is a network of organizations and experts that works to improve humanitarian performance through peer-to-peer sharing and research. Its Evaluative Report Database contains over 100 WASH-related evaluations, reviews, synthesis reports, and studies from the last twenty years.

Asian Development Bank Independent Evaluation Group

Asian Development Bank's water financing program works to increase investments and support reforms in cities, rural communities, and river basins to achieve the goal of “water for all.” There are close to 100 accessible water evaluations spanning 1995 to 2013.

European Bank for Reconstruction & Development Evaluation Department

European Bank for Reconstruction and Development's investments foster transition to open and democratic market economies across Europe, Central Asia, and the Southern and Eastern Mediterranean. It has produced close to 200 evaluations of its WASH sector projects.

European Commission Humanitarian Aid and Civil Protection Evaluation

European Community Humanitarian Office (ECHO) funds projects to help affected populations protect, prepare, and respond to disasters. A number of WASH evaluations are available for ECHO funded operations, thematic issues, and partnerships.

European Investment Bank Operations Evaluations

European Investment Bank backs projects related to the provision and management of water under its climate action and urban and natural environment priority areas. Its ex-post evaluation reports can be filtered by year, country, region, and theme, and feature a handful of water projects.

Evaluation Cooperation Group

Evaluation Cooperation Group (ECG) produces good practice standards and benchmarking studies to harmonize work of its members—evaluation departments in multilateral development banks. ECG’s WASH-related evaluations cover rural and urban water supply and sanitation systems, agriculture, environment, and more.

Evaluation Information System of Sri Lanka Department of Foreign Aid and Budget Monitoring

The Evaluation Information System contains findings from all on-going, ex-post and impact evaluations of development interventions implemented with aid funds in Sri Lanka. Each project is assessed with standardized ratings in a number of categories, and lessons and recommendations are systematically provided. The database contains at least four water-related evaluations.

Global Environment Facility Evaluation Office

Global Environment Facility funds projects to help countries collectively manage transboundary waters. The Evaluation Office produces annual impact evaluation reports and develops impact evaluation methods and tools.

Haiti Earthquake 2010 Response

Part of an ALNAP portal focused on Haiti, this page provides a collection of lessons learned, conference and meeting documents, journal articles, studies, and formal evaluations, all centered on Haiti’s 2010 earthquake. There are at least two explicitly WASH-focused documents, and many others include the role of WASH in the disaster response.

Independent Office of Evaluation of International Fund of Agricultural Development

International Fund for Agricultural Development (FAO) works for better water management and its linkages to rural poverty and agricultural development throughout the developing world. Evaluation reports are available at the corporate, country, program, and project levels, aimed at strengthening accountability and learning.

Inter-American Development Bank Office of Evaluation and Oversight

Inter-American Development Bank (IDB) offers tools and flexible financing for Latin American and Caribbean countries through its Water and Sanitation Initiative. Over a dozen evaluation publications on the topic are accessible through the database.

International Initiative for Impact Evaluation

Acting as both a funding agency and a knowledge broker, International Initiative for Impact Evaluation (3ie) supports the generation of high quality evidence on what works in international development. Its online database features systematic reviews and impact evaluations searchable by subsector, region, equity focus, and evaluation method.

Millennium Challenge Corporation

Millennium Challenge Corporation (MCC) is an independent U.S. foreign aid agency that is increasingly incorporating scientifically-rigorous impact evaluations into its projects. To date, one evaluation concerning water has been completed and another four have been planned.

Norwegian Agency for Development Cooperation

Norwegian Agency for Development Cooperation (NORAD) works to ensure the quality of Norwegian development assistance by providing technical advisory services, quality assurance, grant administration, communications, and evaluation. There are approximately 170 water supply and sanitation evaluations in its online collection.

Organisation for Economic Co-operation and Development's Development Assistance Committee Network on Development Evaluation

Composed of 23 member countries and the European Union, the OECD Development Assistance Committee is a forum for international development discussion. The evaluation network compiles evaluations by its member states and key multilateral development banks, including a number pertaining to WASH, and organizes them by sector and focus country.

Pacific Institute Incentive-based Instruments for Freshwater Management

The Pacific Institute and IssueLab, a service of Foundation Center, published a synthesis report, interactive tool, and digital collection providing key lessons about the impact of incentive-based approaches to managing freshwater resources. Commissioned by The Rockefeller Foundation, this synthesis is an effort not only to better understand the conditions for successfully implementing these approaches but also to inform future initiatives and investments with already existing, practice-based knowledge. 

United Nations Children's Fund Evaluations

United Nations Children's Fund (UNICEF) works in more than 90 countries to improve water supplies and sanitation facilities in schools and communities and to promote safe hygiene practices. Dozens of reports are available on the theme of water and environmental sanitation dating back to 2000.

United States Agency for International Development

U.S. Agency for International Development (USAID) and the U.S. Government approach the global water crisis through an Integrated Water Management approach. The Development Experience Clearinghouse database has over 155,500 USAID technical and program documents available for electronic download, including over 10,000 evaluations and almost 100 evaluations related to WASH.

World Bank Independent Evaluation Group

The World Bank seeks to manage water and land in a more integrated way to ensure access to clean drinking water, reduce water pollution, protect biodiversity, control flooding and food security. The Independent Evaluation Group has produced numerous impact evaluations, country evaluations, and global program reviews related to WASH.


Howard G. Buffett Foundation

Howard G. Buffett Foundation funds the Global Water Initiative, a program focused on governance, policy, transboundary issues, watershed protection, conflict and water delivery. The foundation's programs in East Africa, West Africa, and Central America are built upon an Integrated Water Resource Management approach.

The Case Foundation

The Case Foundation supports PlayPumps technology, an innovative solution that improves access to safe and clean drinking water and promotes public health through a child-powered merry-go-round water pump system. The Case Foundation has also been instrumental in the development and implementation of FLOW—Field Level Operations Watch—an open source Android app that replaces the clipboard and paper as a primary tool for monitoring & evaluation.

The Coca-Cola Foundation

Coca-Cola's water programs support healthy watersheds and sustainable programs to balance the water used throughout their production process. Coca-Cola's WASH initiatives include watershed protection; expanding community drinking water and sanitation access; water for productive use, such as agricultural water efficiency; and education and awareness programs.

The Dow Chemical Company Foundation

The Dow Chemical Company Foundation is one of the founding members of the Global Water Challenge, an organization dedicated to building awareness and promoting scalable actions in expanding coverage for clean water and sanitation worldwide. Specifically, Dow has created lower-cost desalination technologies, more effective ultra filtration systems, and materials to improve the sustainability of water infrastructure.

Bill & Melinda Gates Foundation

The Bill & Melinda Gates Foundation focuses on new investments in sanitation tools and technologies—including latrine design, pit emptying, sludge treatment, and the disposal or reuse of waste. Other components of grantmaking include finding lasting solutions that stimulate household demand for safe sanitation, encourage businesses to provide affordable-yet-durable sanitation products and services, and motivate governments to establish effective sanitation policies.

Conrad N. Hilton Foundation

The Conrad N. Hilton Foundation focuses its support on the safe water access component of WASH programs for the ultra poor in rural, peri-urban settings, and small towns. The foundation's web site also includes lessons learned in WASH funding as well as additional resources and research.

The PepsiCo Foundation

The PepsiCo Foundation funds demand-driven solutions that protect water sources and improve usage of existing water to help minimize the growing water crisis faced by millions of people in underserved regions. Components of PepsiCo's grantmaking strategy include efficient irrigation, sustainable farming practices, and overall improved water usage practices.

Procter & Gamble

Procter & Gamble's Children’s Safe Drinking Water program provides PUR packets, a water purifying technology, in response to emergencies including cholera outbreaks, earthquakes, floods, and other natural disasters. Efforts focus on providing clean drinking water in schools, outreach to mothers in health clinics, and clean drinking water for malnourished children.

The Rockefeller Foundation

The Rockefeller Foundation expanded WASH funding in 2011 by exploring a multiple use services concept which is built on the premise that poor people’s livelihoods and well-being require water for a variety of purposes, such as drinking, washing and cooking, livestock rearing, watering home gardens or for other small-scale productive uses.


Department for International Development - Water and sanitation

The UK's Department for International Development (DFID) works with developing country governments to improve water access and sanitation at national and local levels. Support is provided both through financial aid and through technical advice and assistance. The web site features an Evidence Section with case studies documenting the impact of programs and initiatives on the lives of people and the well-being of communities.

Food and Agricultural Organization

In the face of increasing water scarcity and the dominance of agricultural water use, Food and Agricultural Organizations (FAO) is an UN agency that seeks to enhance global agricultural performance while promoting the sustainability of water use for food production. FAO's web site includes a database of software packages and interactive maps detailing the intersection of water, poverty, agriculture, and climate change.


UNESCO's portal serves as an interactive point for sharing, browsing and searching websites of water-related organizations, governmental bodies and NGOs. Visit the site for links to a UNESCO-sponsored Water Channel, international water-related research centers, a bi-monthly water e-newsletter, a searchable water publication database, and an events calendar.


UNICEF works in more than 90 countries to improve water supplies and sanitation facilities in schools and communities, and to promote safe hygiene practices. UNICEF's Water, Sanitation and Hygiene web site includes news articles, statistics, downloadable publications, stories from the field, country-specific water fact sheets, and theme-based topic pages.


UN-Water is an inter-agency site focused on providing flagship publications, policy briefs, thematic papers and reports, documents on water governance, and vital statistics on the water sector. The site aims to build a knowledge base on water issues, as well as create a platform for system-wide discussions that identify challenges in global water management and solutions to the global water crisis.


U.S. Agency for International Development and the U.S. Government approach the global water crisis through an Integrated Water Resource Management approach. USAID's web site includes a guide to the diverse threads of U.S. Government water sector efforts; research about the state of the global water crisis; a bank of technical publications that supports USAID's work in the water sector; success stories of water programs; and links to USAID's partners and allies in the sector.

WHO / UNICEF Joint Monitoring Programme (JMP) for Water Supply and Sanitation

The WHO / UNICEF Joint Monitoring Programme (JMP) for Water Supply and Sanitation website is a resource for decision makers, researchers, and civil society at large to learn about the JMP's activities, the status of water supply and sanitation coverage, and its importance for health and well-being; also included are detailed statistics about the use of water and sanitation facilities at the global, regional and country-level.

World Bank

The World Bank seeks to manage water and land in a more integrated way to ensure access to clean drinking water, reduce water pollution, protect biodiversity, control flooding and food security. Visit the site for water sector news and events, a database of publications, and a free, comprehensive set of data about development in countries around the globe.

World Bank - Water and Sanitation Program

The World Bank's Water and Sanitation Program works directly with local and national governments in 25 countries tp effect the regulatory and structural changes needed for broad water and sanitation sector reform. The organization places a strong emphasis on capacity-building and the dissemination of best practices. The web site includes a library of reports, news stories and WASH sector events.

World Health Organization

World Health Organization's Water, Sanitation and Health program aims to reduce water- and waste-related disease and optimize the health benefits of sustainable water and waste management. WHO's site provides thematic research, links, and publications on topics including drinking water quality, wastewater use, and water-related disease, among others.


Community-Led Total Sanitation

The Community-Led Total Sanitation (CLTS) web site connects practitioners, communities, NGOs, agencies, researchers, governments, donors and others involved or interested in CLTS. The site contains practical information about the approach, information on CLTS in different countries, research papers, and relevant news and events; it is intended to serve as an up-to-date virtual resource center and as a space for sharing and learning on CLTS across organizations, countries and sectors.

Gender and Water Alliance

Gender and Water Alliance promotes women's and men's equitable access to and management of safe and adequate water, for domestic supply, sanitation, food security and environmental sustainability. The web site includes a Gender and IWRM Resource Guide to assist the work of water and gender practitioners and professionals.

Global Water Challenge

Global Water Challenge is a platform for collaboration that unites corporations, implementing nonprofits, research institutes, and governmental agencies in partnerships that leverage their unique resources and expertise. The web site features an interactive project list that can be searched by country, region, and issue area. Includes resources to assist in improving the effectiveness and sustainability of WASH efforts.

Global Water Initiative

The Global Water Initiative (GWI) is a coalition of seven international organizations working on providing water, sanitation and hygiene services in 13 countries in Central America, West Africa and East Africa. GWI's web site includes detailed information about program strategy, as well as lessons learned and accomplishments of its initiatives.

Global Water Partnership

The Global Water Partnership (GWP) is an action network open to all organizations involved in water resources management: developed and developing country government institutions, agencies of the United Nations, bi- and multi-lateral development banks, professional associations, research institutions, non-governmental organizations, and the private sector. With a focus on the IWRM approach, GWP's web site includes technical publications and policy briefs on IWRM, as well as case studies detailing examples of practical implementation of IWRM.

Millennium Water Alliance

The Millennium Water Alliance (MWA) is a cooperating group of U.S. humanitarian and faith-based NGOs working to assist poor communities in the developing world gain access to safe water and sanitation. MWA's web site includes a knowledge center with curated information on water research, hygiene solutions and sanitation policy.

Rural Water Supply Network

The Rural Water Supply Network (RWSN) is a global network of professionals and practitioners working to raise standards of knowledge and evidence, technical and professional competence, practice and policy in rural water supply. RWSN places a strong emphasis on innovation, documentation, research, and capacity building.

Sanitation and Water for All

Sanitation and Water for All is a global partnership between developing countries, donors, multi-lateral agencies, civil society and other development partners working together to achieve universal and sustainable access to sanitation and drinking water, with an immediate focus on achieving the Millennium Development Goals in the most off-track countries. The site features country briefings and short papers outlining economic cases for water and sanitation.

Sanitation Marketing Community of Practice

The Sanitation Marketing Community of Practice is a WASH Reference Group initiative supported by the AusAID Innovations Fund and managed by WaterAid Australia. The Community of Practice aims to be a platform for peer exchange and sharing of ideas and practical lessons in SanMark as they emerge. The initiative hopes to bring SanMark practitioners together to help one another improve the design, implementation, and evaluation of SanMark activities.

Water Supply and Sanitation Collaborative Council

The Water Supply and Sanitation Collaborative Council (WSSCC) is a global multi-stakeholder partnership and membership organization that works to save lives and improve livelihoods by enhancing collaboration among sector agencies and professionals who are working to improve access to safe sanitation and clean drinking water. The web site includes personal stories of those touched by WASH initiatives and a searchable database of WSSCC publications.

World Water Council

The World Water Council (WWC) is an international multi-stakeholder platform. It was established in 1996 by renowned water specialists and international organizations in response to an increasing concern about world water issues from the global community. WWC's web site includes detailed information about water programs, the latest WWC publications, a water-sector job board, and access to Water Policy, the official journal of the Council.


Circle of Blue WaterNews

Circle of Blue is an international network of journalists, scientists, and communications design experts who report on the global freshwater crisis. Circle of Blue publishes WaterNews, an extension of Circle of Blue’s long-form journalistic and scientific coverage of the global freshwater crisis and a daily go-to source for global water news and data. WaterNews encompasses a wide range of multimedia information and frontline reporting.

End Water Poverty Blog

End Water Poverty is an international campaign that aims to bring an end to the global water and sanitation crisis. The blog reports and comments on the latest news related to water and sanitation advocacy.

Global Water Challenge Blog

The Global Water Challenge blog highlights the work of partner organizations and shares news stories of advances in the WASH sector.

Healthy Dialogues Blog

Healthy Dialogues Blog is sponsored by the Center for Strategic and International Studies (CSIS) and frequently spotlights issues related to the global water crisis from four different angles: urban water challenges; women and the water sector; water resources and climate change; and WASH sustainability.

Sanitation Updates News Feed

The Sanitation Updates news feed on sanitation is maintained by the IRC International Water and Sanitation Center and by USAID’s WASHplus project. It was originally set up to promote the 2008 International Year of Sanitation and continues to provide news, information and resources on sanitation.

WASH Learning for Change

The WASH Learning for Change blog focuses on sector learning, sector-wide approaches, learning alliances and networks, and change management in connection to WASH activities in developing countries.

WASH Finance Blog

The WASH Finance blog contains news related to the financing of WASH services in developing countries. WASH Finance includes both funding/business opportunities (consultancies, grants, prizes, scholarships, tenders) and news about funding mechanisms, new research and training opportunities.

WASH News International Blog

This blog contains international news on WASH services in developing countries.

WaterAid Daily

WaterAid Daily is an automated feed from Twitter, Facebook and YouTube sponsored by WaterAid International. The news feed gathers the latest news and media about water, sanitation and hygiene.

Non-Governmental Organizations

Blue Planet Network

Blue Planet Network’s web site features stories of funders, NGOs, and individuals coming together on an online platform to plan, manage, and monitor safe drinking water programs. The site also helps funders to find peer reviewed and approved projects to fund, reports to read about their impact, and credible organizations to support.

CARE: Water

CARE's water strategy empowers people to make decisions about their own water and sanitation systems and water management by changing the ways governments do business on a local, municipal and state level, particularly for the most vulnerable and marginalized populations. CARE's web site includes detailed information about their water portfolio, current partnerships, and CARE-sponsored publications.

charity: water

Charity: water is a non-profit organization bringing clean and safe drinking water to people in developing nations. The web site includes stories from the field; an interactive Google Maps platform where individuals can track the progress of water projects; a 'dollars to projects' feature allowing individuals to follow the output of their donated dollars; and detailed information about charity: water partnerships.

Lifewater International

Lifewater International partners with the poor to bring safe water, health, and wholeness to communities in Africa, Asia, and Latin America. The web site features an interactive strategy map, project map, and curated library of technical WASH reports.

Safe Water Network

Safe Water Network strives to develop sustainable, scalable, market-based solutions that provide safe, affordable water to underserved populations. The web site provides detailed project information about two initiatives: Safe Water Kiosks and Rainwater Harvesting.

WASH Advocacy Initiative

The WASH Advocacy Initiative helps engage various constituencies- foundations, corporations, faith-based groups, and civic organizations - in efforts to solve the global safe drinking water, sanitation, and hygiene challenge. The web site contains key resources for organizations to get involved.


WaterAid is an international NGO seeking to improve access to safe water, provide effective sanitation and hygiene education to the world's poorest people, and influence policy at national and international levels. In addition to providing policy and research reports, statistics and a list of sustainable technologies, WaterAid's web site includes interactive educational materials for students and teachers to learn more about the WASH sector. works with local partners to establish community-based programs funded through a combination of grants and loans. Available on the web site are success stories, project descriptions, and detailed information about WaterCredit, an innovative program that puts microfinance tools to work in the water and sanitation sector.

Water For People

Water For People brings together local entrepreneurs, civil society, governments, and communities to establish creative, collaborative solutions that allow people to build and maintain their own reliable safe water systems. The web site hosts FLOW (Field Level Operations Watch), a monitoring tool that allows individuals to view data and service status of water points around the world.

Water Missions International

Water Missions International is a nonprofit Christian engineering organization serving the water and sanitation needs of people in developing countries and disaster areas. Water Missions International uses low-maintenance, appropriate water technologies for drinking water treatment and distribution, wastewater management, and storm water control. Two technologies are featured on the web site: Living Water Treatment System and Sanitary Pit Latrine.

Winrock International

Winrock International provides a curated body of international literature and publications on water resources, targeted to individuals and organizations in developing countries who may not have access to reference materials and colleagues by other means.

World Vision: Water and Sanitation

World Vision's work includes the provision of wells, water-storage containers, and water-piping systems; purification of water and protection of natural springs; and sanitation through latrine and laundry pad construction. Find fast facts on the global water crisis and a Twitter feed of the latest news from the water sector on the site.


International Water Management Institute

International Water Management Institute (IWMI) is an international research center supported by a network of 60 governments, private foundations and international and regional organizations. IWMI focuses on the "water-food-environment nexus," and features resources including interactive mapping software, monitoring and benchmarking systems, and a searchable bank of scholarly publications.

IRC International Water and Sanitation Centre

IRC International Water and Sanitation Centre seeks to bridge the knowledge gap through joint learning with partners for improved, low-cost water supply, sanitation and hygiene in developing countries. Resources available through IRC's web site include a comprehensive library of resources, WASH news and features, a thesaurus that can be used for indexing information on water supply and sanitation, and a curated list of 650 groups and networks in the water supply and sanitation sector.

Overseas Development Institute: Water Policy Programme

The Overseas Development Institute (ODI) is the UK's leading independent think tank on international development and humanitarian issues. The ODI Water Policy Programme links high quality research with practical policy advice on water issues with a bearing on poverty. The ODI aims to provoke, contribute to and influence debates on water and sanitation through collaboration with a wide variety of government, donor, civil society and private sector partners.

Pacific Institute: Water and Sustainability Program

The Pacific Institute's Water Program seeks to transform the way societies perceive, manage, and use freshwater resources. Available on the web site are reports related to various water topics: Global Water Crisis, Water and Conflict, Human Right to Water, Climate Change, Water Efficiency, and Water Privatization, among others.

Sanitation and Hygiene Applied Research for Equity

The Sanitation and Hygiene Applied Research for Equity (SHARE) consortium is an eight-year initiative funded by the UK Department for International Development that seeks to contribute to achieving universal access to effective, sustainable and equitable sanitation and hygiene by generating, synthesising and translating evidence to improve policy and practice worldwide. The website’s resource library is a searchable database of articles, reports, policy briefs, presentations, videos and more. 

Stockholm International Water Institute

The Stockholm International Water Institute (SIWI) is a policy institute that seeks sustainable solutions to the water crisis. SIWI manages projects, synthesizes research and publishes findings and recommendations on current and future water, environment, governance and human development issues. Access the site for policy briefs and reports, scientific papers and articles, brochures, documentation from World Water Weeks as well as full editions and articles of the Water Front magazine.

UNESCO - Centre for Water Law, Policy and Science

The Centre for Water Law, Policy and Science is part of the University of Dundee and under the auspices of UNESCO. The Centre focuses on both building local capacity for water leadership globally and providing critical research to decision makers. The web site contains interdisciplinary research related to Integrated Water Resources Management.

Violence, Gender & WASH: A Practitioner's Toolkit

This toolkit was developed by the SHARE research programme consortium in response to an acknowledgement that although the lack of access to appropriate water, sanitation and hygiene services (WASH) is not the root cause of violence, it can lead to increased vulnerabilities to violence of varying forms. The toolkit includes case studies, videos, and additional content that raises the capacity of WASH and other practitioners and authorities, through the availability of guidance of promising good practices, to enable them to be better equipped to minimise vulnerabilities to violence linked to poor access to WASH through improved policy and programming. 

Water, Engineering and Development Centre

Water, Engineering and Development Centre (WEDC) is an education and research institute for developing knowledge and capacity in water and sanitation for low- and middle-income countries. Visit the site for WEDC publications and conference papers, country files, videos, journals, maps, and manufacturers' catalogs, among other resources.