Headquarters

Groundhouse River W Fork· Mille Lacs, Minnesota· 8 ft tall
Low Hazard Fish And Wildlife Pond State Government

Key Takeaway

Headquarters is classified as low hazard in Minnesota. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 8 ft (taller than 16.2% in MN)
Max Storage2.2K acre-ft
Normal Storage870 acre-ft
Surface Area174 acres
Drainage Area24 sq mi
Year Modified2017
NID IDMN01802

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 5, 2019
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR-Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Headquarters?

Headquarters 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 Headquarters?

Headquarters is owned by MNDNR-Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Headquarters?

Headquarters 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 Headquarters?

Headquarters has a dam height of 8 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 Headquarters last inspected?

Headquarters was last inspected on June 5, 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.