Geoffrey Griffin

ROOT RIVER - TR· Fillmore, Minnesota· Built 2007· 36 ft tall

Key Takeaway

Geoffrey Griffin is classified as low hazard in Minnesota. It was completed in 2007 and is 19 years old. Its primary use is fire protection.

Physical Details

Dam Height 36 ft (taller than 91% in MN)
Max Storage108 acre-ft
Normal Storage62 acre-ft
Year Completed2007 (19 years old)
NID IDMN01432

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
State Regulated: No

Ownership

Griffin, Geoffrey

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Geoffrey Griffin?

Geoffrey Griffin 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 Geoffrey Griffin?

Geoffrey Griffin is owned by Griffin, Geoffrey (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Geoffrey Griffin built?

Geoffrey Griffin was completed in 2007, making it 19 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 Geoffrey Griffin?

Geoffrey Griffin serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Geoffrey Griffin?

Geoffrey Griffin has a dam height of 36 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.

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.