Lake Idylwild Dam

MATADEQUIN CREEK· Hanover, Virginia· Earth· 25 ft tall
Significant Hazard Recreation Private

Key Takeaway

Lake Idylwild Dam is classified as significant hazard in Virginia. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 25 ft (taller than 46.7% in VA)
Dam Length180 ft
Dam TypeEarth
Max Storage1.0K acre-ft
Normal Storage486 acre-ft
Surface Area61 acres
Drainage Area11 sq mi
NID IDVA085020

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: May 7, 2019
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

Lake Idylwild Owners Association

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Idylwild Dam?

Lake Idylwild Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Idylwild Dam?

Lake Idylwild Dam is owned by Lake Idylwild Owners Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lake Idylwild Dam?

Lake Idylwild Dam 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 Lake Idylwild Dam?

Lake Idylwild Dam has a dam height of 25 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 Lake Idylwild Dam last inspected?

Lake Idylwild Dam was last inspected on May 7, 2019. 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.