Of course. Like embezzlement. I live in Iran and if you want a more detailed picture of the situation I find data provided in [1] well-researched. The executive summary is that one of the military branches really doesn't care about the environment as long as they get more power / money / anti-US proxies.

Also, that "Tehran will run out of water in two weeks" statement came from the president, and some neighborhoods really don't have water for several hours each day. The official advice is to "install water pumps and storage tanks."

[1] Why Iran is Rapidly Dying: https://www.youtube.com/watch?v=n8kSGH4I8Ps