Oldest Dams in Kansas
Kansas has 4481 dams with recorded construction dates. The oldest dates to 1860 — 166 years ago. Kansas's earliest dams were built in the 19th century, an era of westward expansion, irrigation development, and early water infrastructure. Older dams require particular attention for safety, as many were built before modern engineering standards.
| # | Dam | County | Year Built | Age | Height (ft) | Hazard | Condition |
|---|---|---|---|---|---|---|---|
| 1 | Merritt Lake | Leavenworth | 1860 | 166 yrs | 25 | Low | Poor |
| 2 | North Frisco Dam | Johnson | 1868 | 158 yrs | 21 | High | Satisfactory |
| 3 | South Frisco | Johnson | 1868 | 158 yrs | 22 | High | Poor |
| 4 | Expanded Kansas River Hydropower | Douglas | 1874 | 152 yrs | 12 | Low | Fair |
| 5 | Lake Mckinney Dam | Kearny | 1890 | 136 yrs | 37 | High | Fair |
| 6 | Santa Fe Lake Dam | Elk | 1895 | 131 yrs | 25 | Significant | Poor |
| 7 | Chase | 1900 | 126 yrs | 15 | Low | ||
| 8 | Marion | 1900 | 126 yrs | 28 | Low | ||
| 9 | Montgomery | 1900 | 126 yrs | 15 | Low | ||
| 10 | Lower West Lake Dam | Linn | 1904 | 122 yrs | 14 | High | Fair |
| 11 | Lowell Power Plant Spillway | Cherokee | 1905 | 121 yrs | 31 | Low | |
| 12 | Allen | 1908 | 118 yrs | 40 | Low | ||
| 13 | Johnson | 1910 | 116 yrs | 20 | Low | ||
| 14 | Rocky Pond Dam | Republic | 1910 | 116 yrs | 28 | Significant | Fair |
| 15 | Wyandotte | 1910 | 116 yrs | 26 | Low | ||
| 16 | Montgomery | 1911 | 115 yrs | 25 | Low | ||
| 17 | Santa Fe Lake | Neosho | 1911 | 115 yrs | 20 | Low | |
| 18 | Mildred Lake Dam | Allen | 1916 | 110 yrs | 45 | Low | |
| 19 | Welda Lake | Anderson | 1916 | 110 yrs | 45 | Low | |
| 20 | Rock Creek Dam | Bourbon | 1920 | 106 yrs | 15 | Significant | Poor |
| 21 | Waterworks Dam | Johnson | 1920 | 106 yrs | 9 | High | |
| 22 | Barton County Club Dam | Barton | 1922 | 104 yrs | 39 | High | |
| 23 | Lake Herington | Dickinson | 1923 | 103 yrs | 40 | High | Poor |
| 24 | Mission Lake | Brown | 1924 | 102 yrs | 36 | High | Poor |
| 25 | Idle Hour Lake | Labette | 1925 | 101 yrs | 14 | Low | |
| 26 | Lake Larrabee | Meade | 1926 | 100 yrs | 32 | Low | |
| 27 | Neosho | 1926 | 100 yrs | 38 | Low | ||
| 28 | Lake Scott Dam | Scott | 1926 | 100 yrs | 33 | Low | |
| 29 | Santa Fe Lake Dam | Butler | 1927 | 99 yrs | 38 | High | Poor |
| 30 | Ottawa State Fishing Lake | Ottawa | 1927 | 99 yrs | 34 | High | Poor |
| 31 | Fox Lake Dam | Butler | 1928 | 98 yrs | 33 | High | Satisfactory |
| 32 | Jewell | 1928 | 98 yrs | 13 | Low | ||
| 33 | Yeager Lakes Dam | Kingman | 1929 | 97 yrs | 22 | High | Fair |
| 34 | Moline Middle City Lake | Elk | 1930 | 96 yrs | 21 | Low | |
| 35 | Osborne | 1930 | 96 yrs | 15 | Low | ||
| 36 | Phillips | 1930 | 96 yrs | 15 | Low | ||
| 37 | Cedar Lake (old Olathe Lake) | Johnson | 1931 | 95 yrs | 39 | High | Poor |
| 38 | Kingman County State Lake | Kingman | 1931 | 95 yrs | 16 | Low | |
| 39 | Osborne | 1931 | 95 yrs | 20 | Low | ||
| 40 | Smith | 1931 | 95 yrs | 18 | Low | ||
| 41 | Pottawatomie State Lake No 1 | Pottawatomie | 1932 | 94 yrs | 51 | High | Fair |
| 42 | Smith | 1932 | 94 yrs | 17 | Low | ||
| 43 | Brown | 1933 | 93 yrs | 28 | Low | ||
| 44 | Butler | 1933 | 93 yrs | 18 | Low | ||
| 45 | Harper | 1933 | 93 yrs | 16 | Low | ||
| 46 | Lyon County State Fishing Lake | Lyon | 1933 | 93 yrs | 55 | Low | |
| 47 | Osborne | 1933 | 93 yrs | 19 | Low | ||
| 48 | Woodson County State Fishing Lake | Woodson | 1933 | 93 yrs | 65 | Low | |
| 49 | Clark State Fishing Lake | Clark | 1934 | 92 yrs | 75 | Low | |
| 50 | Finney | 1934 | 92 yrs | 58 | Low |