Risk assessments can be used to identify specific hazards, analyse the risk associated with them, and determine appropriate ways to eliminate or control those hazards. If not properly managed, water-related risks can disrupt our societies and have catastrophic impacts in terms socio-economic and ecological wellbeing. The timely assessment of those probable risks and identifying appropriate options to mitigate them will help decision-makers in taking more informed action. This tool provides information on the different risk categories and methods to conduct water-risk assessments.