Running Hare Vineyard Lake

Cypress Swamp-TR· Calvert, Maryland· Built 1970· Earth· 20 ft tall
Low Hazard Recreation Private

Key Takeaway

Running Hare Vineyard Lake is classified as low hazard in Maryland. It was completed in 1970 and is 56 years old. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 41.2% in MD)
Dam Length300 ft
Dam TypeEarth
Max Storage91 acre-ft
Normal Storage51 acre-ft
Surface Area7 acres
Drainage Area1 sq mi
Max Discharge205 cfs
Year Completed1970 (56 years old)
NID IDMD00187

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: July 3, 2021
State Regulated: Yes
Regulatory Agency: MD Dam Safety

Ownership

Running Hare Vinyard

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Running Hare Vineyard Lake?

Running Hare Vineyard Lake is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Running Hare Vineyard Lake?

Running Hare Vineyard Lake is owned by Running Hare Vinyard (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Running Hare Vineyard Lake built?

Running Hare Vineyard Lake was completed in 1970, making it 56 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Running Hare Vineyard Lake?

Running Hare Vineyard Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Running Hare Vineyard Lake?

Running Hare Vineyard Lake has a dam height of 20 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Running Hare Vineyard Lake last inspected?

Running Hare Vineyard Lake was last inspected on July 3, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.