Amherst 20

Root River So Fork-TR· Fillmore, Minnesota· Rockfill· 18 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Amherst 20 is classified as low hazard in Minnesota. Its primary use is flood risk reduction.

Physical Details

Dam Height 18 ft (taller than 57.4% in MN)
Dam Length365 ft
Dam TypeRockfill
Max Storage50 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area1 sq mi
NID IDMN01788

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 22, 2018
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

McCabe, Roger

Private

Nearby Dams

Ruen Detention Group

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Ruen Pond

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Leslie Helickson Detention

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Holt 19

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Preston 21

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Lanesboro

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Sorenson Group

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Rediske-Vatland Group

Fillmore, MN

Low Hazard 25 ft

Frequently Asked Questions

What is the hazard classification of Amherst 20?

Amherst 20 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 Amherst 20?

Amherst 20 is owned by McCabe, Roger (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Amherst 20?

Amherst 20 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 Amherst 20?

Amherst 20 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 Amherst 20 last inspected?

Amherst 20 was last inspected on May 22, 2018. 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.