Dresser Valley Watershed

Zumbro River-TR· Olmsted, Minnesota· Built 1967· Earth· 21 ft tall
Low Hazard Flood Risk Reduction Private

Key Takeaway

Dresser Valley Watershed is classified as low hazard in Minnesota. It was completed in 1967 and is 59 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 21 ft (taller than 63.7% in MN)
Dam Length434 ft
Dam TypeEarth
Max Storage128 acre-ft
Normal Storage49 acre-ft
Drainage Area1 sq mi
Max Discharge380 cfs
Year Completed1967 (59 years old)
NID IDMN00432

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: July 21, 2022
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Dreher, John

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dresser Valley Watershed?

Dresser Valley Watershed 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 Dresser Valley Watershed?

Dresser Valley Watershed is owned by Dreher, John (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dresser Valley Watershed built?

Dresser Valley Watershed was completed in 1967, making it 59 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 Dresser Valley Watershed?

Dresser Valley Watershed 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 Dresser Valley Watershed?

Dresser Valley Watershed has a dam height of 21 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 Dresser Valley Watershed last inspected?

Dresser Valley Watershed was last inspected on July 21, 2022. 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.