For a Sahel country, like Burkina Faso, knowing where there is access to water is crucial to determine the potential for crop production, especially in the dry season. To collect all information on the available water sources, workshops have been organised by government with all stakeholders in the country working in water and sanitation. Ministries, agencies, NGOs, companies and other actors were invited to share their data in an open database and in this way a cost-effective resource was obtai