Lower Theisman Dam is an earth dam located in Loudoun County, Virginia. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 660 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lower Theisman Dam
The primary purpose of Lower Theisman Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Theisman, Joseph R. (private). It impounds the Limestone Branch Tributary.
The dam stands 20 feet tall and stretches 660 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 92 acre-feet, and collects water from a drainage area of 0 square miles.
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Location
| State | Virginia |
| County | Loudoun |
| River/Stream | Limestone Branch Tributary |
| Coordinates | 39.20180, -77.55050 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 660 ft |
Storage & Hydraulics
| NID Storage | 92 acre-ft |
| Max Storage | 92 acre-ft |
| Normal Storage | 59 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Theisman, Joseph R. |
| Owner Type | Private |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | No |
Identifiers
| NID ID | VA107072 |
| Federal ID | VA107072 |
| More Info | State Dam Safety Program |