Hiddenwood Lake Dam

Missouri River-TR· Ward, North Dakota· Built 1933· Earth· 18 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Hiddenwood Lake Dam is classified as low hazard in North Dakota. It was completed in 1933 and is 93 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 18 ft (taller than 60.6% in ND)
Dam Length0 ft
Dam TypeEarth
Max Storage2.3K acre-ft
Normal Storage1.8K acre-ft
Surface Area131 acres
Drainage Area8 sq mi
Year Completed1933 (93 years old)
NID IDND01045

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: June 19, 2002
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

Ward Co Highway Dept

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hiddenwood Lake Dam?

Hiddenwood Lake Dam 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 Hiddenwood Lake Dam?

Hiddenwood Lake Dam is owned by Ward Co Highway Dept (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hiddenwood Lake Dam built?

Hiddenwood Lake Dam was completed in 1933, making it 93 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 Hiddenwood Lake Dam?

Hiddenwood Lake Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hiddenwood Lake Dam?

Hiddenwood Lake Dam has a dam height of 18 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 Hiddenwood Lake Dam last inspected?

Hiddenwood Lake Dam was last inspected on June 19, 2002. 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.