Dams in Loudoun County, Virginia
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 Rated | 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 Rated | 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 Rated | 11 | Water Supply | |
| Arcola Center Dam | Significant | Not Rated | 0 | Flood Risk Reduction | |
| Reckmeyer Dam | Low | Not Rated | 39 | Recreation | |
| Mcghee Dam | Low | Poor | 37 | Recreation | |
| Waltonian Dam | Low | Not Rated | 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 Rated | 60 | Water Supply | |
| Kingsley Dam | Undetermined | Fair | 44 | Recreation | |
| Round Hill Dam | Undetermined | Not Rated | 42 | ||
| The Quarry Dam | Undetermined | Not Rated | 38 | Recreation | |
| Lowry Dam | Undetermined | Unsatisfactory | 33 | Water Supply | |
| Proximity Dam | Undetermined | Not Rated | 30 | ||
| Hui Dam | Undetermined | Not Rated | 30 | ||
| Woodburn Road #2 Dam | Undetermined | Not Rated | 30 | Water Supply | |
| Woodburn No. 1 Dam | Undetermined | Not Rated | 28 | Recreation | |
| Trappe Hill Farm Dam | Undetermined | Not Rated | 28 | ||
| Huber-mount Gilead Road Dam | Undetermined | Not Rated | 28 | Other | |
| Skallerup Dam | Undetermined | Not Rated | 28 | Recreation | |
| Old Waterford Road Dam | Undetermined | Not Rated | 28 | Recreation | |
| Cherry Hill Dam | Undetermined | Not Rated | 28 | Recreation | |
| Upperville Dam | Undetermined | Not Rated | 27 | ||
| Archbold Dam | Undetermined | Not Rated | 27 | Recreation | |
| Woodall Dam | Undetermined | Not Rated | 27 | Recreation | |
| Speedwell Farm Dam | Undetermined | Not Rated | 26 | ||
| Old Dominion Inc Dam | Undetermined | Not Rated | 26 | ||
| Birch Street Johnson Dam | Undetermined | Not Rated | 26 | Irrigation | |
| 20776 Dockside Terrace Dam | Undetermined | Not Rated | 26 | Flood Risk Reduction | |
| Rayborn Dam | Undetermined | Not Rated | 25 | Water Supply | |
| Bell Dam | Undetermined | Not Rated | 25 | Recreation | |
| Lake Pointe Dam | Undetermined | Not Rated | 25 | Flood Risk Reduction | |
| Lower Spectacular Bid Drive Dam | Undetermined | Not Rated | 25 | Recreation | |
| White Goose Lane Dam | Undetermined | Not Rated | 25 | Recreation | |
| Potomac Lake Dam | Undetermined | Not Rated | 25 | Flood Risk Reduction | |
| Town Center Dam | Undetermined | Not Rated | 25 | Flood Risk Reduction | |
| Luhrs Dam | Undetermined | Not Rated | 24 | Irrigation | |
| Jt Gable Dam | Undetermined | Not Rated | 23 | ||
| Watermill Road Dam | Undetermined | Not Rated | 23 | Flood Risk Reduction | |
| Creekspring Court Dam | Undetermined | Not Rated | 23 | Flood Risk Reduction | |
| Farmwell Road And Estate Place Dam | Undetermined | Not Rated | 21 | Flood Risk Reduction | |
| Meadow Grove Farm #2 Dam | Undetermined | Not Rated | 21 | Water Supply | |
| Lower Theisman Dam | Undetermined | Not Rated | 20 | Recreation | |
| Aol Dam No. 1 | Undetermined | Not Rated | 20 | Flood Risk Reduction | |
| Springvalley Lane Dam | Undetermined | Not Rated | 20 | Other | |
| Ashbrook Dam | Undetermined | Not Rated | 20 | Flood Risk Reduction | |
| Loudoun Golf & Country Club Dam | Undetermined | Not Rated | 20 | Irrigation | |
| Creighton Farms Dam | Undetermined | Not Rated | 20 | Recreation | |
| Shanondale Road Dam | Undetermined | Not Rated | 20 | Recreation | |
| Ashbury Church Road Dam | Undetermined | Not Rated | 20 | Recreation | |
| Farmwell Hunt Dam | Undetermined | Not Rated | 20 | Flood Risk Reduction | |
| 27132 Gum Springs Road Dam | Undetermined | Not Rated | 20 | Recreation | |
| Sweetwater Lane Dam | Undetermined | Not Rated | 20 | Other | |
| Cooperative Way Dam | Undetermined | Not Rated | 20 | Flood Risk Reduction | |
| Evans Pond Dam | Undetermined | Not Rated | 18 | Water Supply | |
| Lovettsville Game Protective Association Dam | Undetermined | Not Rated | 18 | Recreation | |
| Koerner Lane Dam | Undetermined | Not Rated | 18 | Recreation | |
| Prentice Drive Dam (near Randolph Drive) | Undetermined | Not Rated | 18 | Flood Risk Reduction | |
| 13415 White Marsh Lane Dam | Undetermined | Not Rated | 18 | Flood Risk Reduction | |
| Brambleton Golf Course Dam | Undetermined | Not Rated | 18 | Irrigation | |
| Aol Dam No. 2 | Undetermined | Not Rated | 17 | Flood Risk Reduction | |
| Godfrey Dam | Undetermined | Not Rated | 17 | Water Supply | |
| Tippecanoe Lake Dam | Undetermined | Not Rated | 17 | Recreation | |
| Morrisville Road Dam | Undetermined | Not Rated | 17 | Other | |
| Limestone Court Dam | Undetermined | Not Rated | 15 | Recreation | |
| Belmont Golf Club Dam | Undetermined | Not Rated | 15 | Flood Risk Reduction | |
| 15164 Berlin Pike Dam | Undetermined | Not Rated | 15 | Water Supply | |
| Piney Swamp Road Dam | Undetermined | Not Rated | 13 | Recreation | |
| Uunet Lower Pond Dam | Undetermined | Not Rated | 13 | Flood Risk Reduction | |
| Trump Nat'l Golf Club Interconnected Impoundments #4, 5, & X | Undetermined | Not Rated | 13 | Recreation | |
| The Ridings At Blue Spring Dam | Undetermined | Not Rated | 11 | Flood Risk Reduction | |
| Cleremont Dam | Undetermined | Not Rated | 10 | Other | |
| Upper Godfrey Dam | Undetermined | Not Rated | 10 | Water Supply | |
| Algonkian Regional Park Interconnected Impoundemnts | Undetermined | Not Rated | 10 | Fish and Wildlife Pond | |
| Dulles Greenway Wetlands Mitigation Project Dike | Undetermined | Not Rated | 7 | Other |