rain...barrel....laws.....?
I should have guessed ,,,I guess
From 2010, could be more now in 2014
http://www.naturalnews.com/029286_rainwater_collection_water.html
Utah isn’t the only state with rainwater collection bans, either. Colorado and Washington also have rainwater collection restrictions that limit the free use of rainwater, but these restrictions vary among different areas of the states and legislators have passed some laws to help ease the restrictions.