[Ed: This was imported from America’s Roof Forum – http://www.network54.com/Forum/215753/message/1150517671/Utah%27s+lowest+point+is+about++2%2C178+feet
Despite what my GPS measured at Utah’s lowest point, the Utah Geological Survey estimates that Utah’s lowest point is “about 2,178” feet above sea level. That contrasts sharply with the 2,350 feet that Utah tourist sites recount and the even 2,000 feet on this Web site’s list. The one variable is that the Beaver Dam Wash, location of Utah’s lowest point, is very prone to erosion from flodding. For example, the 2005 spring floods centered in the Cedar City area could have lowered that 2,178 somewhat. And, over time, Utah’s lowest spot will definitely get lower.