Running Hare Vineyard Lake
Running Hare Vineyard Lake is an earth dam located in Calvert County, Maryland, built in 1970. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Running Hare Vineyard Lake
The primary purpose of Running Hare Vineyard Lake is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Running Hare Vinyard (private). It impounds the Cypress Swamp-tr near Williams Wharf.
The dam stands 20 feet tall and stretches 300 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1970, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 04/30/2024.
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Location
| State | Maryland |
| County | Calvert |
| Nearest City | Williams Wharf |
| River/Stream | Cypress Swamp-tr |
| Coordinates | 38.50474, -76.61336 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 51 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 205 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Running Hare Vinyard |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 04/30/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00341 |
| Federal ID | MD00341 |
| More Info | State Dam Safety Program |