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.

#DamCountyYear BuiltAgeHeight (ft)HazardCondition
1Terra Alta LakePreston1820206 yrs15HighSatisfactory
2No. 1-west Of CornwallisRitchie1863163 yrs31LowPoor
3Bruceton Mills DamPreston1873153 yrs20LowSatisfactory
4Glen FerrisFayette1901125 yrs25LowSatisfactory
5Old Cacapon Power DamMorgan1904122 yrs17LowPoor
6B & O DamPreston1904122 yrs41HighPoor
7MillvilleJefferson1905121 yrs12LowSatisfactory
8Old Keyser ReservoirMineral1911115 yrs25HighFair
9Thomas Dam (concrete)Tucker1911115 yrs20HighSatisfactory
10Twin Branch No.1 DamMcDowell1920106 yrs52HighSatisfactory
11Hinkle LakeHarrison1923103 yrs20HighSatisfactory
12Lake Floyd DamHarrison1923103 yrs25SignificantSatisfactory
13Crystal LakeDoddridge1924102 yrs17SignificantSatisfactory
14Bendale DamLewis1924102 yrs14LowSatisfactory
15Weston DamLewis1924102 yrs15LowSatisfactory
16Ada DamMercer1924102 yrs62HighSatisfactory
17Lake LynnMonongalia1926100 yrs125HighSatisfactory
18Maple LakeHarrison192997 yrs28SignificantSatisfactory
19Rock Lake DamMarion192997 yrs17SignificantSatisfactory
20Horton DamMercer192997 yrs76HighSatisfactory
21Miletree Run Dam No. 1Roane193096 yrs26HighPoor
22Hartland DamHarrison193195 yrs14LowSatisfactory
23London Locks And DamKanawha193492 yrs103SignificantNot Available
24Marmet Locks And DamKanawha193492 yrs101SignificantNot Available
25Watoga Lake DamPocahontas193492 yrs42HighSatisfactory
26Lake WashingtonWood193591 yrs41SignificantSatisfactory
27Hawks NestFayette193690 yrs163HighSatisfactory
28Tomlinson Run DamHancock193690 yrs38HighPoor
29Robert C. Byrd Locks And DamMason193789 yrs167SignificantNot Available
30Cacapon State Park LakeMorgan193789 yrs31HighSatisfactory
31Winfield Locks And DamPutnam193789 yrs110SignificantNot Available
32Thomas Reservoir DamTucker193789 yrs26HighSatisfactory
33Lake O' Woods DamPreston193888 yrs26HighSatisfactory
34Lake WashingtonPutnam193888 yrs24HighPoor
35Tygart DamTaylor193888 yrs234HighNot Available
36U. T. Barren Branch DamFayette194086 yrs50UndeterminedNot Rated
37Coal Run No. 2 DamFayette194086 yrs65UndeterminedNot Rated
38Little Beaver DamRaleigh194185 yrs23HighSatisfactory
39C & O DamRaleigh194482 yrs9HighNot Rated
40Glade Creek Dam No. 1Calhoun194581 yrs37HighSatisfactory
41Lynch LakeMonongalia194779 yrs25HighPoor
42Bluestone DamSummers194779 yrs165HighNot Available
43Lake RileyLewis194878 yrs28HighFair
44Bear Rocks Lake No.2Ohio194878 yrs35HighPoor
45Bear Rocks Lake No.3Ohio194878 yrs23HighPoor
46Union Carbide H & F Club #3Kanawha194977 yrs20LowUnsatisfactory
47Scott LakeRandolph194977 yrs19HighPoor
48Deegan LakeHarrison195076 yrs31HighPoor
49Lough LakeMonongalia195076 yrs25HighPoor
50Morgantown Lock And DamMonongalia195076 yrs36LowNot Available

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