Dale Helms wrote about the Republican River Model ignoring the effects of conservation and placing all of the burden of compliance on groundwater irrigation. He is correct in that is what it does.
There is a reason the State of Nebraska intentionally ignored conservation. However, the full explanation of why, is too long for the paper to let me publish here. So for those of you who are interested, please go to http://www.waterclaim.org and click on The Model and Conservation link.