98Total Dams
15High Hazard
9Significant
Dam Safety in Loudoun County, Virginia
Loudoun County has 98 dams tracked in the National Inventory of Dams. Of these, 15 are classified as high hazard — meaning failure would probably cause loss of human life. Another 9 carry a significant hazard classification. Currently, 3 dams have a condition assessment of poor or unsatisfactory.
The average dam in Loudoun County is 8 years old. The most common purpose is recreation. The tallest dam is Tarara Winery Dam at 60 ft.
Explore more: Oldest dams in Virginia · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Beaverdam Creek Dam | High | Satisfactory | 55 | Water Supply | |
| Sleeter Lake Dam | High | Satisfactory | 55 | Irrigation | |
| Horsepen Dam | High | Satisfactory | 50 | Water Supply | |
| Gore Dam | High | Satisfactory | 40 | Recreation | |
| Goose Creek Dam | High | Satisfactory | 39 | Water Supply | |
| Ashburn Village Lake #1 | High | Not assessed | 32 | Recreation | |
| Hope Parkway Dam | High | Satisfactory | 30 | Recreation | |
| Ashburn Village Lake #2 | High | Fair | 29 | Recreation | |
| Kalnasy Dam | High | Fair | 26 | Recreation | |
| Leesburg South Regional Swm Pond Dam | High | Satisfactory | 18 | Flood Risk Reduction | |
| The Lakes at Red Rock Dam | High | Satisfactory | 18 | Recreation | |
| Moorefield Station East Swm Pond Dam | High | Satisfactory | 14 | Other | 2018 |
| Moorefield Station West Swm Pond Dam | High | Satisfactory | 14 | Flood Risk Reduction | |
| Brambleton Land Bay 3 Pond 6 Dam | High | Satisfactory | 14 | Flood Risk Reduction | |
| Richmond Square Dam | High | Fair | 12 | Flood Risk Reduction | |
| Creighton Hills Dam | Significant | Fair | 58 | Recreation | |
| Oliver Dam | Significant | Not assessed | 44 | Recreation | |
| Haynes Dam | Significant | Fair | 41 | Recreation | |
| Precision Dynamics Lake Dam | Significant | Satisfactory | 36 | Irrigation | |
| J.t. Hirst Dam | Significant | Fair | 34 | Water Supply | |
| Daley Dam | Significant | Satisfactory | 29 | Recreation | |
| Red Cedar Lake Two Dam | Significant | Fair | 28 | Irrigation | |
| Dulles Airport Dam | Significant | Not assessed | 11 | Water Supply | |
| Arcola Center Dam | Significant | Not assessed | 0 | Flood Risk Reduction | |
| Reckmeyer Dam | Low | Not assessed | 39 | Recreation | |
| Mcghee Dam | Low | Poor | 37 | Recreation | |
| Waltonian Dam | Low | Not assessed | 37 | Recreation | |
| Bronze Hill Farm Dam | Low | Satisfactory | 27 | Recreation | |
| Quail Ridge Dam | Low | Satisfactory | 25 | Recreation | |
| Hillside Circle Dam | Low | Satisfactory | 25 | Flood Risk Reduction | |
| Lawrence Dam | Low | Poor | 19 | Recreation | |
| Tarara Winery Dam | Undetermined | Not assessed | 60 | Water Supply | |
| Kingsley Dam | Undetermined | Fair | 44 | Recreation | |
| Round Hill Dam | Undetermined | Not assessed | 42 | ||
| The Quarry Dam | Undetermined | Not assessed | 38 | Recreation | |
| Lowry Dam | Undetermined | Unsatisfactory | 33 | Water Supply | |
| Proximity Dam | Undetermined | Not assessed | 30 | ||
| Hui Dam | Undetermined | Not assessed | 30 | ||
| Woodburn Road #2 Dam | Undetermined | Not assessed | 30 | Water Supply | |
| Woodburn No. 1 Dam | Undetermined | Not assessed | 28 | Recreation | |
| Trappe Hill Farm Dam | Undetermined | Not assessed | 28 | ||
| Huber-mount Gilead Road Dam | Undetermined | Not assessed | 28 | Other | |
| Skallerup Dam | Undetermined | Not assessed | 28 | Recreation | |
| Old Waterford Road Dam | Undetermined | Not assessed | 28 | Recreation | |
| Cherry Hill Dam | Undetermined | Not assessed | 28 | Recreation | |
| Upperville Dam | Undetermined | Not assessed | 27 | ||
| Archbold Dam | Undetermined | Not assessed | 27 | Recreation | |
| Woodall Dam | Undetermined | Not assessed | 27 | Recreation | |
| Speedwell Farm Dam | Undetermined | Not assessed | 26 | ||
| Old Dominion Inc Dam | Undetermined | Not assessed | 26 | ||
| Birch Street Johnson Dam | Undetermined | Not assessed | 26 | Irrigation | |
| 20776 Dockside Terrace Dam | Undetermined | Not assessed | 26 | Flood Risk Reduction | |
| Rayborn Dam | Undetermined | Not assessed | 25 | Water Supply | |
| Bell Dam | Undetermined | Not assessed | 25 | Recreation | |
| Lake Pointe Dam | Undetermined | Not assessed | 25 | Flood Risk Reduction | |
| Lower Spectacular Bid Drive Dam | Undetermined | Not assessed | 25 | Recreation | |
| White Goose Lane Dam | Undetermined | Not assessed | 25 | Recreation | |
| Potomac Lake Dam | Undetermined | Not assessed | 25 | Flood Risk Reduction | |
| Town Center Dam | Undetermined | Not assessed | 25 | Flood Risk Reduction | |
| Luhrs Dam | Undetermined | Not assessed | 24 | Irrigation | |
| Jt Gable Dam | Undetermined | Not assessed | 23 | ||
| Watermill Road Dam | Undetermined | Not assessed | 23 | Flood Risk Reduction | |
| Creekspring Court Dam | Undetermined | Not assessed | 23 | Flood Risk Reduction | |
| Farmwell Road and Estate Place Dam | Undetermined | Not assessed | 21 | Flood Risk Reduction | |
| Meadow Grove Farm #2 Dam | Undetermined | Not assessed | 21 | Water Supply | |
| Lower Theisman Dam | Undetermined | Not assessed | 20 | Recreation | |
| Aol Dam No. 1 | Undetermined | Not assessed | 20 | Flood Risk Reduction | |
| Springvalley Lane Dam | Undetermined | Not assessed | 20 | Other | |
| Ashbrook Dam | Undetermined | Not assessed | 20 | Flood Risk Reduction | |
| Loudoun Golf & Country Club Dam | Undetermined | Not assessed | 20 | Irrigation | |
| Creighton Farms Dam | Undetermined | Not assessed | 20 | Recreation | |
| Shanondale Road Dam | Undetermined | Not assessed | 20 | Recreation | |
| Ashbury Church Road Dam | Undetermined | Not assessed | 20 | Recreation | |
| Farmwell Hunt Dam | Undetermined | Not assessed | 20 | Flood Risk Reduction | |
| 27132 Gum Springs Road Dam | Undetermined | Not assessed | 20 | Recreation | |
| Sweetwater Lane Dam | Undetermined | Not assessed | 20 | Other | |
| Cooperative Way Dam | Undetermined | Not assessed | 20 | Flood Risk Reduction | |
| Evans Pond Dam | Undetermined | Not assessed | 18 | Water Supply | |
| Lovettsville Game Protective Association Dam | Undetermined | Not assessed | 18 | Recreation | |
| Koerner Lane Dam | Undetermined | Not assessed | 18 | Recreation | |
| Prentice Drive Dam (near Randolph Drive) | Undetermined | Not assessed | 18 | Flood Risk Reduction | |
| 13415 White Marsh Lane Dam | Undetermined | Not assessed | 18 | Flood Risk Reduction | |
| Brambleton Golf Course Dam | Undetermined | Not assessed | 18 | Irrigation | |
| Aol Dam No. 2 | Undetermined | Not assessed | 17 | Flood Risk Reduction | |
| Godfrey Dam | Undetermined | Not assessed | 17 | Water Supply | |
| Tippecanoe Lake Dam | Undetermined | Not assessed | 17 | Recreation | |
| Morrisville Road Dam | Undetermined | Not assessed | 17 | Other | |
| Limestone Court Dam | Undetermined | Not assessed | 15 | Recreation | |
| Belmont Golf Club Dam | Undetermined | Not assessed | 15 | Flood Risk Reduction | |
| 15164 Berlin Pike Dam | Undetermined | Not assessed | 15 | Water Supply | |
| Piney Swamp Road Dam | Undetermined | Not assessed | 13 | Recreation | |
| Uunet Lower Pond Dam | Undetermined | Not assessed | 13 | Flood Risk Reduction | |
| Trump Nat'l Golf Club Interconnected Impoundments #4, 5, & X | Undetermined | Not assessed | 13 | Recreation | |
| The Ridings at Blue Spring Dam | Undetermined | Not assessed | 11 | Flood Risk Reduction | |
| Cleremont Dam | Undetermined | Not assessed | 10 | Other | |
| Upper Godfrey Dam | Undetermined | Not assessed | 10 | Water Supply | |
| Algonkian Regional Park Interconnected Impoundemnts | Undetermined | Not assessed | 10 | Fish and Wildlife Pond | |
| Dulles Greenway Wetlands Mitigation Project Dike | Undetermined | Not assessed | 7 | Other |