For businesses where water use (either directly or upstream in your value chain) is a significant factor, water foot printing helps you understand and quantify this, and the risks to the business in the same way as carbon footprinting does for climate change.
SSN's tips for users
Use the framework at a basic level to understand the interaction between (fresh) water and your business.
Understand the main elements and especially any risks to guide your initiatives to reduce your water impact and dependency.
