waterwise
/ˈwɔːtəraɪz/Definitions
1. adjective
Having a good understanding of how to conserve water; characterized by the efficient use of water.
“The waterwise garden in our backyard is a great example of sustainable living.”
2. noun
A person who is waterwise; someone with a good understanding of how to conserve water.
“My grandmother is very waterwise and always finds ways to save water in the household.”