Dams in Loudoun County, Virginia
98Total Dams
15High Hazard
9Significant
| 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 |