Frigaard-Nelson Wetland

Otter Tail River· Otter Tail, Minnesota· Built 2000· Earth· 10 ft tall
Low Hazard Fish And Wildlife Pond Private

Key Takeaway

Frigaard-Nelson Wetland is classified as low hazard in Minnesota. It was completed in 2000 and is 26 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 10 ft (taller than 30.9% in MN)
Dam Length160 ft
Dam TypeEarth
Max Storage330 acre-ft
Normal Storage186 acre-ft
Surface Area50 acres
Drainage Area15 sq mi
Max Discharge150 cfs
Year Completed2000 (26 years old)
NID IDMN01363

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: August 31, 2017
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Frigaard, Loren

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Frigaard-Nelson Wetland?

Frigaard-Nelson Wetland 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 Frigaard-Nelson Wetland?

Frigaard-Nelson Wetland is owned by Frigaard, Loren (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frigaard-Nelson Wetland built?

Frigaard-Nelson Wetland was completed in 2000, making it 26 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 Frigaard-Nelson Wetland?

Frigaard-Nelson Wetland serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Frigaard-Nelson Wetland?

Frigaard-Nelson Wetland has a dam height of 10 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 Frigaard-Nelson Wetland last inspected?

Frigaard-Nelson Wetland was last inspected on August 31, 2017. 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.