Largest Reservoirs in West Virginia
West Virginia has 469 dams with recorded storage capacity. The largest is Bluestone Dam with 631,000 acre-feet of maximum storage. One acre-foot equals about 326,000 gallons — enough to supply roughly two households for a year.
| # | Dam | County | Max Storage (acre-ft) | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|---|
| 1 | Bluestone Dam | Summers | 631,000 | 165 | Flood Risk Reduction | 1947 |
| 2 | Robert C. Byrd Locks And Dam | Mason | 390,600 | 167 | Navigation | 1937 |
| 3 | Tygart Dam | Taylor | 355,000 | 234 | Flood Risk Reduction | 1938 |
| 4 | Summersville Dam - Dike 2 | Nicholas | 283,400 | 100 | Flood Risk Reduction | 1965 |
| 5 | Sutton Dam | Braxton | 265,300 | 210 | Flood Risk Reduction | 1960 |
| 6 | Belleville Locks And Dam | Wood | 229,200 | 130 | Navigation | 1968 |
| 7 | R.d. Bailey Dam | Mingo | 203,700 | 310 | Flood Risk Reduction | 1976 |
| 8 | Willow Island Locks And Dam | Pleasants | 177,600 | 111 | Navigation | 1976 |
| 9 | Racine Locks And Dam | Mason | 153,700 | 100 | Navigation | 1971 |
| 10 | Stonewall Jackson Dam | Lewis | 145,000 | 95 | Flood Risk Reduction | 1986 |
| 11 | Hannibal Locks And Dam | Wetzel | 130,000 | 51 | Navigation | 1974 |
| 12 | Pike Island Locks And Dam | Ohio | 89,300 | 64 | Navigation | 1965 |
| 13 | East Lynn Dam | Wayne | 82,500 | 113 | Flood Risk Reduction | 1971 |
| 14 | Winfield Locks And Dam | Putnam | 79,100 | 110 | Navigation | 1937 |
| 15 | New Cumberland Locks And Dam | Jefferson | 74,000 | 64 | Navigation | 1963 |
| 16 | Lake Lynn | Monongalia | 72,300 | 125 | Hydroelectric | 1926 |
| 17 | Burnsville Dam | Braxton | 65,900 | 89 | Flood Risk Reduction | 1976 |
| 18 | Mt. Storm Lake Dam | Grant | 54,000 | 153 | Other | 1964 |
| 19 | North Fork Hughes River Site 21c Dam | Ritchie | 44,232 | 86 | Flood Risk Reduction | 2002 |
| 20 | Chess Refuse Disposal Area No. 1 | Boone | 37,710 | 780 | Tailings | |
| 21 | Beech Fork Dam | Wayne | 37,540 | 86 | Flood Risk Reduction | 1976 |
| 22 | Brushy Fork Impoundment | Greenbrier | 34,582 | 605 | Tailings | 1996 |
| 23 | Marmet Locks And Dam | Kanawha | 30,600 | 101 | Navigation | 1934 |
| 24 | Rocklick Slurry Impoundment | Boone | 29,993 | 540 | Tailings | |
| 25 | Stonecoal Creek Dam & Reservoir | Lewis | 25,800 | 110 | Other | 1972 |
| 26 | Mill Creek #10 Dam | Jackson | 25,545 | 68 | Flood Risk Reduction | 1997 |
| 27 | Upper Mud River No.2a | Lincoln | 25,470 | 75 | Flood Risk Reduction | 1992 |
| 28 | Jake Gore Slurry Impoundment | Boone | 24,800 | 610 | Tailings | |
| 29 | Mill Creek No.13 | Jackson | 23,100 | 89 | Flood Risk Reduction | 1986 |
| 30 | Sugar Camp Branch Coal Refuse Impoundment | Nicholas | 19,901 | 150 | Tailings | 2006 |
| 31 | Mcelroy Run Dam | Pleasants | 19,896 | 243 | Tailings | 1978 |
| 32 | Wheeling Creek #3 | Marshall | 18,953 | 85 | Flood Risk Reduction | 1995 |
| 33 | Jarrells Branch Slurry Impoundment | Boone | 18,189 | 520 | Tailings | |
| 34 | Ben Creek Slurry Impoundment | Mingo | 16,797 | 358 | Tailings | |
| 35 | Aldrich Branch Slurry Impoundment | Mingo | 15,875 | 560 | Tailings | |
| 36 | London Locks And Dam | Kanawha | 15,800 | 103 | Navigation | 1934 |
| 37 | Conner Run Refuse Impoundment | Marshall | 15,750 | 267 | Tailings | 1976 |
| 38 | Delbarton Slurry Impoundment | Mingo | 14,702 | 760 | Other | 2004 |
| 39 | Opekiska Lock And Dam | Monongalia | 14,400 | 52 | Navigation | 1967 |
| 40 | Maynard Branch Slurry Impoundment | Wayne | 12,630 | 262 | Tailings | |
| 41 | Lotts Branch Slurry Impoundment | Boone | 12,259 | 478 | Tailings | |
| 42 | Trace Branch Slurry Impoundment | Boone | 12,191 | 320 | Tailings | 1992 |
| 43 | John Amos Flyash Dam | Putnam | 11,160 | 223 | Tailings | 1978 |
| 44 | Pocatalico Structure No.28 | Jackson | 10,859 | 87 | Flood Risk Reduction | 1987 |
| 45 | Shumate Creek Slurry Impoundment | Raleigh | 10,273 | 390 | Tailings | |
| 46 | Lost River #4 Dam | Hardy | 10,256 | 89 | Flood Risk Reduction | 1996 |
| 47 | Tinsley Branch Refuse Impoundment | Logan | 9,905 | 405 | Tailings | 2005 |
| 48 | Lake Stephens Dam | Raleigh | 8,990 | 74 | Recreation | 1963 |
| 49 | Leer Slurry Cell | Taylor | 8,540 | 250 | Tailings | |
| 50 | Patterson Creek No. 41 Dam | Grant | 7,960 | 91 | Flood Risk Reduction | 1969 |