Dams in Natrona County, Wyoming

93Total Dams

8High Hazard

10Significant

Dam Safety in Natrona County, Wyoming

Natrona County has 93 dams tracked in the National Inventory of Dams. Of these, 8 are classified as high hazard — meaning failure would probably cause loss of human life. Another 10 carry a significant hazard classification. Currently, 46 dams have a condition assessment of poor or unsatisfactory.

The average dam in Natrona County is 73 years old. The most common purpose is irrigation. The tallest dam is Alcova Dam at 265 ft.

Explore more: Oldest dams in Wyoming · Tallest dams · High risk dams · Largest reservoirs

Dam	Hazard	Condition	Height (ft)	Purpose	Year
Alcova Dam	High	Not Available	265	Hydroelectric	1938
Pathfinder Dam	High	Not Available	214	Hydroelectric	1909
Mcmurry No. 4	High	Satisfactory	78	Fish and Wildlife Pond	2014
Eastgate	High	Poor	60	Fish and Wildlife Pond	2010
Cardine Keith	High	Poor	45	Irrigation	1975
Pathfinder Dike	High	Not Available	38	Fish and Wildlife Pond	1911
Eastdale Creek Detention No.2	High	Fair	19	Flood Risk Reduction	2008
Badwater Creek Dam	High	Poor	15	Other
T.e.c.	Significant	Fair	48	Fire Protection, Stock, Or Small Fish Pond	1910
East Fork Wolf Creek	Significant	Fair	42	Irrigation	1974
Casper Sage Creek	Significant	Fair	40	Irrigation	1952
Casper Parks No.2	Significant	Fair	24	Irrigation	1988
Bates Creek	Significant	Poor	23	Irrigation	1910
Nicolaysen	Significant	Fair	22	Irrigation	1899
Mcfarland No. 3	Significant	Poor	21	Irrigation	1911
Lower Spicer	Significant	Poor	17	Fire Protection, Stock, Or Small Fish Pond	1951
Basin No.2 Flood Detention Pond	Significant	Fair	17	Flood Risk Reduction	1993
Gothberg	Significant	Poor	13	Irrigation	1908
Outer Drive Flood Detention	Low	Fair	50	Flood Risk Reduction	1980
Jack Pot	Low	Poor	45	Other	1915
Six Mile	Low	Poor	41	Irrigation	1951
Bridge Dam	Low	Poor	40	Debris Control	1957
Red Bluff Dam	Low	Poor	38	Debris Control	1954
Gray Reef Dam	Low	Not Available	38	Irrigation	1961
John Beaton	Low	Poor	37	Fire Protection, Stock, Or Small Fish Pond	1941
Houston No. 1	Low	Poor	37	Fire Protection, Stock, Or Small Fish Pond	1954
Lower Hackett Dam	Low	Unsatisfactory	37	Debris Control	1967
South Wall	Low	Fair	36	Irrigation	1912
Three Forks Dam	Low	Unsatisfactory	36	Debris Control	1954
Lox	Low	Poor	35	Fire Protection, Stock, Or Small Fish Pond	1966
Meadow Creek	Low	Poor	35	Fire Protection, Stock, Or Small Fish Pond	1952
Hiser	Low	Poor	35	Irrigation	2005
Jack Dam	Low	Unsatisfactory	35	Debris Control	1971
Fossil Dam	Low	Unsatisfactory	35	Debris Control	1966
Alkali Dam	Low	Fair	35	Debris Control	1967
Big Pike Dam	Low	Unsatisfactory	35	Debris Control	1965
Donlin Detention Dam	Low	Fair	34	Fire Protection, Stock, Or Small Fish Pond	1955
Gantz Dam	Low	Not Rated	34	Debris Control	1964
Sand Draw No. 1 Dam	Low	Not Rated	34	Debris Control	1961
Red Creek Dam	Low	Unsatisfactory	32	Debris Control	1966
Upper Hackett Dam	Low	Unsatisfactory	32	Debris Control	1967
Big Chief Dam	Low	Unsatisfactory	32	Debris Control	1964
School Section	Low	Fair	31	Fire Protection, Stock, Or Small Fish Pond	1954
Lynx Dam	Low	Unsatisfactory	31	Debris Control	1956
Horsch Stockwater	Low	Fair	30	Fire Protection, Stock, Or Small Fish Pond	1952
Dean Springs Dam	Low	Unsatisfactory	30	Debris Control	1963
Brewer	Low	Poor	29	Fire Protection, Stock, Or Small Fish Pond	1943
Lost	Low	Fair	29	Fire Protection, Stock, Or Small Fish Pond	1966
Turkey Springs	Low	Fair	29	Irrigation	1914
S. P.	Low	Poor	29	Irrigation	1952
Ek Addition No. 1 Dam	Low	Poor	29	Debris Control	1966
Cow Camp	Low	Fair	28	Irrigation	1952
Rissler	Low	Fair	28	Irrigation	1951
Krs No. 3	Low	Fair	28	Fire Protection, Stock, Or Small Fish Pond	1996
Lamb Lower	Low	Poor	28	Irrigation	1952
South Fork Dam	Low	Poor	28	Debris Control	1964
Cloud Creek No. 3	Low	Fair	27	Fire Protection, Stock, Or Small Fish Pond	2004
Petro No. 1 Dam	Low	Fair	27	Other	1999
Agnes	Low	Poor	26	Irrigation	1952
Bentley	Low	Fair	26	Irrigation	1960
Sullivan No. 2	Low	Fair	26	Fire Protection, Stock, Or Small Fish Pond	1992
Yesness	Low	Fair	26	Fish and Wildlife Pond	1944
Okie Draw Dam	Low	Unsatisfactory	26	Debris Control	1964
Ek Diversion No. 1 Dam	Low	Unsatisfactory	26	Debris Control	1958
Charlotte	Low	Fair	25	Fire Protection, Stock, Or Small Fish Pond	1958
Annis	Low	Fair	25	Irrigation	1948
J & J	Low	Poor	25	Irrigation	1942
South Wall No. 3	Low	Fair	25	Irrigation	1951
Cave Gulch Dam	Low	Poor	25	Debris Control	1964
Casper Parks No. 1	Low	Fair	25	Irrigation	1987
Antelope Dam	Low	Fair	25	Debris Control	1956
Carroll No. 1	Low	Fair	24	Irrigation	1946
Eastdale Creek Detention No.1	Low	Fair	24	Flood Risk Reduction	2008
Shell Creek	Low	Poor	23	Irrigation	1944
G-k	Low	Fair	23	Irrigation	1963
Bucknum	Low	Poor	23	Irrigation	1908
Lady Emma	Low		23	Irrigation	1917
Eagle Canyon	Low	Poor	23	Irrigation	1924
Bear Dam	Low	Fair	23	Debris Control	1970
Three T No 1 Dam	Low	Poor	23	Other	1960
Big V	Low	Fair	22	Recreation	1940
Nicolaysen No. 2	Low	Fair	21	Irrigation	1909
Schnoor	Low	Poor	20	Irrigation	1910
Mcpherson	Low	Fair	20	Irrigation	1923
Johnson No. 1	Low	Fair	20	Irrigation	1914
Dry Muddy	Low	Poor	19	Irrigation	1933
Daly	Low	Poor	17	Irrigation	1945
Pratt Park	Low	Fair	17	Flood Risk Reduction	1980
Reynolds No. 2	Low	Poor	16	Irrigation	1909
Cooper	Low	Poor	16	Fire Protection, Stock, Or Small Fish Pond	1933
Mary Stead	Low	Fair	14	Irrigation	1909
Hermine	Low	Fair	12	Irrigation	1912
Wagner	Low	Poor	9	Irrigation	1909

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