[aw1621107]

> Isn't agricultural irrigation the largest source of groundwater depletion in places where it's an issue?

> I believe basically all water here in Iowa is pulled from groundwater wells. I've never heard of it being something anyone was worried, but we also don't irrigate fields like they do in the Western states.

Those are good points; I should have qualified my comment with "depending on location and local groundwater conditions". Evidently wells do work for at least some urban areas, but whether it's a viable option for all, I don't know.