Illum Dam

Patrick, Virginia· Earth· 40 ft tall
Unknown Private

Key Takeaway

Illum Dam is classified as unknown in Virginia.

Physical Details

Dam Height 40 ft (taller than 86.6% in VA)
Dam Length200 ft
Dam TypeEarth
Max Storage50 acre-ft
Normal Storage40 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
NID IDVA141042

Safety Information

Unknown

Hazard potential has not been determined.

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

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: Department of Conservation and Recreation

Ownership

James M Illum

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Illum Dam?

Illum Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Illum Dam?

Illum Dam is owned by James M Illum (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Illum Dam?

Illum Dam has a dam height of 40 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.

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.