Oldest Dams in West Virginia
West Virginia has 397 dams with recorded construction dates. The oldest dates to 1820 — 206 years ago. West Virginia'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 | Terra Alta Lake | Preston | 1820 | 206 yrs | 15 | High | Satisfactory |
| 2 | No. 1-west Of Cornwallis | Ritchie | 1863 | 163 yrs | 31 | Low | Poor |
| 3 | Bruceton Mills Dam | Preston | 1873 | 153 yrs | 20 | Low | Satisfactory |
| 4 | Glen Ferris | Fayette | 1901 | 125 yrs | 25 | Low | Satisfactory |
| 5 | Old Cacapon Power Dam | Morgan | 1904 | 122 yrs | 17 | Low | Poor |
| 6 | B & O Dam | Preston | 1904 | 122 yrs | 41 | High | Poor |
| 7 | Millville | Jefferson | 1905 | 121 yrs | 12 | Low | Satisfactory |
| 8 | Old Keyser Reservoir | Mineral | 1911 | 115 yrs | 25 | High | Fair |
| 9 | Thomas Dam (concrete) | Tucker | 1911 | 115 yrs | 20 | High | Satisfactory |
| 10 | Twin Branch No.1 Dam | McDowell | 1920 | 106 yrs | 52 | High | Satisfactory |
| 11 | Hinkle Lake | Harrison | 1923 | 103 yrs | 20 | High | Satisfactory |
| 12 | Lake Floyd Dam | Harrison | 1923 | 103 yrs | 25 | Significant | Satisfactory |
| 13 | Crystal Lake | Doddridge | 1924 | 102 yrs | 17 | Significant | Satisfactory |
| 14 | Bendale Dam | Lewis | 1924 | 102 yrs | 14 | Low | Satisfactory |
| 15 | Weston Dam | Lewis | 1924 | 102 yrs | 15 | Low | Satisfactory |
| 16 | Ada Dam | Mercer | 1924 | 102 yrs | 62 | High | Satisfactory |
| 17 | Lake Lynn | Monongalia | 1926 | 100 yrs | 125 | High | Satisfactory |
| 18 | Maple Lake | Harrison | 1929 | 97 yrs | 28 | Significant | Satisfactory |
| 19 | Rock Lake Dam | Marion | 1929 | 97 yrs | 17 | Significant | Satisfactory |
| 20 | Horton Dam | Mercer | 1929 | 97 yrs | 76 | High | Satisfactory |
| 21 | Miletree Run Dam No. 1 | Roane | 1930 | 96 yrs | 26 | High | Poor |
| 22 | Hartland Dam | Harrison | 1931 | 95 yrs | 14 | Low | Satisfactory |
| 23 | London Locks And Dam | Kanawha | 1934 | 92 yrs | 103 | Significant | Not Available |
| 24 | Marmet Locks And Dam | Kanawha | 1934 | 92 yrs | 101 | Significant | Not Available |
| 25 | Watoga Lake Dam | Pocahontas | 1934 | 92 yrs | 42 | High | Satisfactory |
| 26 | Lake Washington | Wood | 1935 | 91 yrs | 41 | Significant | Satisfactory |
| 27 | Hawks Nest | Fayette | 1936 | 90 yrs | 163 | High | Satisfactory |
| 28 | Tomlinson Run Dam | Hancock | 1936 | 90 yrs | 38 | High | Poor |
| 29 | Robert C. Byrd Locks And Dam | Mason | 1937 | 89 yrs | 167 | Significant | Not Available |
| 30 | Cacapon State Park Lake | Morgan | 1937 | 89 yrs | 31 | High | Satisfactory |
| 31 | Winfield Locks And Dam | Putnam | 1937 | 89 yrs | 110 | Significant | Not Available |
| 32 | Thomas Reservoir Dam | Tucker | 1937 | 89 yrs | 26 | High | Satisfactory |
| 33 | Lake O' Woods Dam | Preston | 1938 | 88 yrs | 26 | High | Satisfactory |
| 34 | Lake Washington | Putnam | 1938 | 88 yrs | 24 | High | Poor |
| 35 | Tygart Dam | Taylor | 1938 | 88 yrs | 234 | High | Not Available |
| 36 | U. T. Barren Branch Dam | Fayette | 1940 | 86 yrs | 50 | Undetermined | Not Rated |
| 37 | Coal Run No. 2 Dam | Fayette | 1940 | 86 yrs | 65 | Undetermined | Not Rated |
| 38 | Little Beaver Dam | Raleigh | 1941 | 85 yrs | 23 | High | Satisfactory |
| 39 | C & O Dam | Raleigh | 1944 | 82 yrs | 9 | High | Not Rated |
| 40 | Glade Creek Dam No. 1 | Calhoun | 1945 | 81 yrs | 37 | High | Satisfactory |
| 41 | Lynch Lake | Monongalia | 1947 | 79 yrs | 25 | High | Poor |
| 42 | Bluestone Dam | Summers | 1947 | 79 yrs | 165 | High | Not Available |
| 43 | Lake Riley | Lewis | 1948 | 78 yrs | 28 | High | Fair |
| 44 | Bear Rocks Lake No.2 | Ohio | 1948 | 78 yrs | 35 | High | Poor |
| 45 | Bear Rocks Lake No.3 | Ohio | 1948 | 78 yrs | 23 | High | Poor |
| 46 | Union Carbide H & F Club #3 | Kanawha | 1949 | 77 yrs | 20 | Low | Unsatisfactory |
| 47 | Scott Lake | Randolph | 1949 | 77 yrs | 19 | High | Poor |
| 48 | Deegan Lake | Harrison | 1950 | 76 yrs | 31 | High | Poor |
| 49 | Lough Lake | Monongalia | 1950 | 76 yrs | 25 | High | Poor |
| 50 | Morgantown Lock And Dam | Monongalia | 1950 | 76 yrs | 36 | Low | Not Available |