Israel’s Asterra (formerly Utilis) specializes in microwave-sensing resiliency technology for utilities such as water, highways, or mining. It has been used on satellites and planes to identify over 10,000 confirmed water leaks in the United States, Italy, the United Kingdom, Chile, China, South Africa, and more.
https://www.calcalistech.com/ctech/articles/0,7340,L-3927608,00.html https://asterra.io/