Elk River

Elk River is a gravity dam located in Sherburne County, Minnesota, built in 1916. It carries a High hazard potential classification.

About Elk River

The primary purpose of Elk River is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Elk River (local government). It impounds the Elk River near Elk River.

The dam stands 23 feet tall and stretches 207 feet across, creates a reservoir covering 300 acres, has a maximum storage capacity of 2,800 acre-feet, and collects water from a drainage area of 234 square miles. Completed in 1916, the structure is over a century old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 05/23/2024.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Minnesota dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High Hazard ConditionEmergency Action Plan: Yes

Location

StateMinnesota
CountySherburne
Nearest CityElk River
River/StreamElk River
Coordinates45.30400, -93.58577

Physical Characteristics

Dam TypeGravity
NID Height23 ft
Dam Height23 ft
Dam Length207 ft
Year Completed1916 (110 years old)

Storage & Hydraulics

NID Storage2,800 acre-ft
Max Storage2,800 acre-ft
Normal Storage1,600 acre-ft
Surface Area300 acres
Drainage Area234 sq mi
Max Discharge10,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeRecreation
OwnerCity of Elk River
Owner TypeLocal Government
Hazard ClassificationHigh
Last Inspection05/23/2024
Emergency Action PlanYes

Identifiers

NID IDMN00516
Federal IDMN00516
More InfoState Dam Safety Program

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