High Risk Dams in Wyoming

Wyoming has 14 high hazard dams with a condition assessment of poor or unsatisfactory. These are dams where failure would probably cause loss of human life and where recognized safety deficiencies have been identified.

Of the 99 high hazard dams in Wyoming, 14 (14%) have concerning condition ratings — 12 rated poor and 2 rated unsatisfactory.

Dam	County	Height (ft)	Condition	Purpose	Year
Laprele	Converse	135	Unsatisfactory	Irrigation	1909
Upper Van Tassell	Laramie	98	Poor	Water Supply	1932
Hawk Springs	Goshen	64	Poor	Irrigation	1925
Eastgate	Natrona	60	Poor	Fish and Wildlife Pond	2010
Little Robber Det. Dam X	Carbon	48	Poor	Debris Control	1953
Cardine Keith	Natrona	45	Poor	Irrigation	1975
Leavitt	Big Horn	45	Poor	Irrigation	1956
Snyder Creek Det Dam X	Fremont	38	Unsatisfactory	Flood Risk Reduction	2003
Silver Lake	Sublette	32	Poor	Irrigation	1953
North Spring Creek	Carbon	31	Poor	Irrigation	1958
Kemmerer	Lincoln	30	Poor	Water Supply	1942
O S W	Fremont	28	Poor	Irrigation	1912
Middle Piney Lake Dam	Sublette	24	Poor	Recreation	1940
Badwater Creek Dam	Natrona	15	Poor	Other

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