Tetonka Ridge

Medary Creek-TR· Lincoln, Minnesota· Rockfill· 52 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Tetonka Ridge is classified as low hazard in Minnesota. Its primary use is flood risk reduction.

Physical Details

Dam Height 52 ft (taller than 97% in MN)
Dam Length400 ft
Dam TypeRockfill
Max Storage52 acre-ft
Normal Storage12 acre-ft
Surface Area4 acres
Drainage Area1 sq mi
NID IDMN01763

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: May 7, 2019
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Tetonka Ridge Ranch Trust

Private

Nearby Dams

Upper Deer Creek-Lake Hendricks Watershed (Udclh) 1-C

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Lake Shaokatan

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Low Hazard 6 ft

Shaokatan 11

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Low Hazard 22 ft

Drammen 15

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Twp Road 127

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Gibbons No. 4

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Low Hazard 26 ft

Albers Pond

Lincoln, MN

Low Hazard 22 ft

Gibbons Dam

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Low Hazard 21 ft

Frequently Asked Questions

What is the hazard classification of Tetonka Ridge?

Tetonka Ridge 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 Tetonka Ridge?

Tetonka Ridge is owned by Tetonka Ridge Ranch Trust (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Tetonka Ridge?

Tetonka Ridge 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 Tetonka Ridge?

Tetonka Ridge has a dam height of 52 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 Tetonka Ridge last inspected?

Tetonka Ridge was last inspected on May 7, 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.