[nir]

I don't know about exports but for certain there's quite a lot of water Israel transfers to Jordan as part of the 90s peace accords. That's a huge deal in the Mid East.

For decades, the weather report in Israel would include the water level of the Sea of Galilee, the only real lake in the country and the source of most of the nation's drinkable water. It would be a major concern during droughts. Now there's so much desalinated water that some are actually being pumped into the lake, for environmental reasons.