Dams in Johnson County, Kansas

111Total Dams

38High Hazard

8Significant

Dam Safety in Johnson County, Kansas

Johnson County has 111 dams tracked in the National Inventory of Dams. Of these, 38 are classified as high hazard — meaning failure would probably cause loss of human life. Another 8 carry a significant hazard classification. Currently, 7 dams have a condition assessment of poor or unsatisfactory.

The average dam in Johnson County is 54 years old. The most common purpose is recreation. The tallest dam is Shawnee Mission Park Dam at 72 ft.

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

Dam	Hazard	Condition	Height (ft)	Purpose	Year
Shawnee Mission Park Dam	High	Fair	72	Recreation	1958
(new) Olathe Lake	High	Fair	69	Water Supply	1955
Shadow Lake Dam	High	Satisfactory	65	Flood Risk Reduction
Black Swan Lake Dam	High	Fair	62	Recreation	1982
Gardner Lake Dam	High	Fair	61	Water Supply	1940
Lakeview Estates	High	Poor	55	Recreation
Lexington Lake Park (rieke Lake Dam)	High	Satisfactory	53	Recreation
Tomahawk Hills Cc Dam	High	Fair	52	Irrigation	1955
Lake Lenexa	High	Satisfactory	46	Recreation	2006
Enchanted Lake	High	Satisfactory	43	Fish and Wildlife Pond	2014
Cedar Lake (old Olathe Lake)	High	Poor	39	Water Supply	1931
Spring Hill Water Supply Dam	High	Poor	37	Water Supply	1953
	High	Not Rated	34	Fire Protection, Stock, Or Small Fish Pond	1955
Mize Lake	High	Satisfactory	32	Flood Risk Reduction	2005
Lionsgate Dam	High	Fair	31	Recreation	1965
Seven Hills Dam	High	Poor	30	Recreation	1965
Dam 1 (falcon Ridge Golf Course)	High	Fair	29	Recreation
East Rodrock Lake	High	Not Rated	28	Recreation	2010
Willow Lake	High	Fair	28	Fire Protection, Stock, Or Small Fish Pond	1960
Heritage Park Dam	High	Satisfactory	27	Recreation
Harding Dam	High	Fair	27	Flood Risk Reduction	2014
Osborn Pond	High	Not Rated	26	Recreation	1997
Sunflower Pond B Dam	High		26		1943
Oxford Pointe	High	Satisfactory	25	Recreation	1959
Walden Pond Dam	High	Fair	25	Recreation	1937
	High	Satisfactory	24	Flood Risk Reduction	2003
Nottingham Lake	High	Fair	24	Fire Protection, Stock, Or Small Fish Pond
	High	Not Rated	24	Fire Protection, Stock, Or Small Fish Pond
South Frisco	High	Poor	22	Other	1868
Oak Tree Meadows Dam	High	Satisfactory	22	Recreation	2009
North Frisco Dam	High	Satisfactory	21	Other	1868
Kc Roadway Parkland South	High	Fair	21	Recreation	2004
Sprint Campus Lake 2 / 3	High	Satisfactory	20	Irrigation	2001
Bluestem Dam (previously Daybreak Ridge Dam)	High	Fair	20	Other	1962
South Lake Park Dam	High	Fair	17	Recreation
Sprint Campus Lake 1	High	Satisfactory	17	Irrigation	2001
Hawthorne Valley Lake Dam	High	Fair	16	Recreation
Waterworks Dam	High		9	Other	1920
Oak Country Dam/carpenter Dam	Significant	Poor	34	Irrigation	1962
Dam 2 & 3 (falcon Ridge Golf Course)	Significant	Fair	31	Recreation
	Significant	Not Rated	30		1960
Private Dam	Significant		25	Recreation	1970
Walker Dam	Significant	Not Rated	25	Fire Protection, Stock, Or Small Fish Pond	1967
Spears Dam	Significant	Satisfactory	19	Recreation
Eastland/elmer Dam	Significant	Not Rated	18	Fire Protection, Stock, Or Small Fish Pond	1999
Lake At Southwick - 199th & Mission Rd	Significant	Satisfactory	15	Fire Protection, Stock, Or Small Fish Pond	1970
Kill Creek Regional Park Lake	Low		45	Recreation	2000
Dam No 1	Low		45	Recreation	1965
	Low	Poor	42	Other
	Low		41	Recreation	1968
	Low		38	Irrigation
	Low		36	Fire Protection, Stock, Or Small Fish Pond
	Low		36	Fire Protection, Stock, Or Small Fish Pond
	Low		35	Fire Protection, Stock, Or Small Fish Pond
	Low		35	Recreation
	Low		32	Fire Protection, Stock, Or Small Fish Pond
	Low		32	Fire Protection, Stock, Or Small Fish Pond	1973
Davis Dam/watercrest Landing	Low		32	Fire Protection, Stock, Or Small Fish Pond	1998
	Low		31	Fire Protection, Stock, Or Small Fish Pond	1972
	Low		30		1977
	Low		30		1974
	Low		30		1968
	Low		29		1971
	Low		29	Fire Protection, Stock, Or Small Fish Pond
	Low		28		1971
	Low		28		1960
	Low		28		1976
	Low		28	Fire Protection, Stock, Or Small Fish Pond
	Low		27		1960
	Low		26		1974
Ksnoname 4494	Low		26		1974
	Low		26	Fire Protection, Stock, Or Small Fish Pond
	Low		25		1961
	Low		25		1953
	Low		25		1974
	Low		25	Fire Protection, Stock, Or Small Fish Pond
Woodland Road & College	Low		25	Recreation	1954
	Low		24	Fire Protection, Stock, Or Small Fish Pond
Santa Fe Lake Dam (edgerton Lake Dam)	Low	Fair	24	Flood Risk Reduction	2004
	Low		23	Fire Protection, Stock, Or Small Fish Pond
Harmon Dam	Low		23	Fire Protection, Stock, Or Small Fish Pond	1964
	Low		22		1962
Kid's Lake	Low		22	Recreation	2003
Gibbens Dam	Low		22	Fire Protection, Stock, Or Small Fish Pond
	Low		21		1969
	Low		21		1960
Private Dam	Low		21	Fire Protection, Stock, Or Small Fish Pond	1996
	Low		21	Fire Protection, Stock, Or Small Fish Pond	2003
	Low		20		1950
	Low		20		1975
	Low		20		1970
	Low		20		1910
	Low		20	Fire Protection, Stock, Or Small Fish Pond	1970
Kingston Lakes	Low		20	Recreation	1989
Gardner Celebration Park	Low		20	Recreation	2008
Rockwood Falls Estates	Low		20	Recreation	2001
	Low		19	Fire Protection, Stock, Or Small Fish Pond	1970
	Low		19	Debris Control	1976
	Low		18		1974
	Low		18	Fire Protection, Stock, Or Small Fish Pond
Heritage Park; Dam A	Low	Satisfactory	18	Irrigation
Watson Lake Dam	Low		18	Recreation	1986
	Low		17		1974
	Low		17		1960
Dam C	Low		17	Irrigation
Heritage Park; Dam C	Low	Satisfactory	16	Irrigation
Heritage Park; Dam D	Low	Satisfactory	16	Irrigation
Dam A	Low		13	Irrigation
Walton Dam	Low		12	Recreation	1991
	Undetermined		50	Debris Control
	Undetermined		24

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