Largest Reservoirs in Virginia

Virginia has 2693 dams with recorded storage capacity. The largest is Smith Mountain Combination Pump Storage with 1,150,000 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	Smith Mountain Combination Pump Storage	Pittsylvania	1,150,000	237	Hydroelectric	1964
2	Lake Anna Dam And Reservoir	Louisa	487,000	100	Hydroelectric	1972
3	Gathright Dam	Alleghany	421,500	257	Flood Risk Reduction	1978
4	Philpott Dam	Franklin	318,300	220	Flood Risk Reduction	1953
5	Claytor	Pulaski	232,000	139	Hydroelectric	1939
6	John W. Flannagan Dam	Dickenson	145,700	250	Flood Risk Reduction	1963
7	Leesville	Pittsylvania	94,960	90	Hydroelectric	1963
8	Cobbs Creek Regional Water Supply Dam (main Dam A)	Cumberland	56,450	160	Water Supply
9	Swift Creek Reservoir Dam	Chesterfield	50,590	44	Water Supply
10	Island Creek Dam	Mecklenburg	43,500	92	Flood Risk Reduction	1951
11	South Rivanna	Albemarle	38,600	50	Hydroelectric	1965
12	Bush River Dam # 12	Prince Edward	38,534	62	Flood Risk Reduction	1983
13	Bath County P S Fused Overpump Spillway - At Upper Reservoir	Bath	37,500	2	Hydroelectric	1984
14	Brasfield (appomattox)	Dinwiddie	35,354	73	Water Supply	1968
15	Western Branch Dam	Suffolk	35,300	41	Water Supply
16	T. Nelson Elliott Dam	Prince William	33,000	76	Water Supply
17	Little Creek Dam	James City	32,143	67	Water Supply
18	Bath County P S Lower Reservoir - Lower Dam	Bath	30,500	170	Hydroelectric	1984
19	C - Pond Dam	Suffolk	29,800	52	Other
20	Great Creek Dam # 6a	Brunswick	29,632	67	Flood Risk Reduction	1989
21	Diascund Creek Dam	New Kent	29,093	35	Water Supply
22	Upper Occoquan Dam	Prince William	25,472	65	Water Supply
23	Ni River Dam #1	Spotsylvania	24,873	51	Water Supply
24	Carvin Cove Dam	Botetourt	23,000	85	Water Supply
25	Lake Drummond Dam	Chesapeake	22,000	33	Navigation
26	Briery Creek Lake Dam	Prince Edward	21,378	64	Recreation
27	Lake Mooney Dam	Stafford	21,100	130	Water Supply
28	Beaverdam Lake Dam	Gloucester	20,523	39	Water Supply	1990
29	Lake Monticello Dam	Fluvanna	19,500	85	Recreation
30	Lake Burnt Mills Dam	Suffolk	18,500	47	Water Supply
31	Hunting Run Dam	Spotsylvania	17,000	89	Water Supply
32	Horsepen Dam	Loudoun	15,200	50	Water Supply
33	Lake Prince Dam	Suffolk	15,100	28	Water Supply
34	Veterans Memorial Dam	Orange	14,160	66	Recreation
35	Lunga Dam	Stafford	12,800	59	Recreation	1956
36	Clifford D. Craig Memorial Dam	Roanoke	11,410	241	Water Supply
37	Potomac Creek Dam #1	Stafford	11,400	94	Flood Risk Reduction
38	North Fork Of Pound Dam	Wise	11,293	122	Flood Risk Reduction	1966
39	Goshen Dam	Rockbridge	11,200	43	Recreation
40	Aquia Creek Dam	Stafford	10,800	81	Water Supply
41	Mountain Run Dam #50	Culpeper	10,706	55	Flood Risk Reduction
42	Upper North River #76	Augusta	10,500	118	Flood Risk Reduction
43	Lower North River # 81c	Rockingham	10,357	143	Flood Risk Reduction
44	Lake Holiday Dam	Frederick	10,166	102	Recreation
45	Lake Cohoon Dam	Suffolk	9,300	29	Water Supply
46	Lake Meade Dam	Suffolk	9,281	25	Water Supply
47	Lake Caroline Dam	Caroline	8,265	48	Water Supply
48	Ragged Mountain Dam	Albemarle	8,243	133	Water Supply
49	Licking Run Dam	Fauquier	8,101	66	Flood Risk Reduction
50	Laurel Bed Dam	Russell	8,100	48	Recreation

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