Dexter 30

Mower, Minnesota· Built 2020· 17 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Dexter 30 is classified as low hazard in Minnesota. It was completed in 2020 and is 6 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 17 ft (taller than 55.8% in MN)
Max Storage224 acre-ft
Normal Storage5 acre-ft
Year Completed2020 (6 years old)
NID IDMN01835

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: June 29, 2022
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

WD of Cedar River

Local Government

Nearby Dams

Dexter 30 Dam 2

Mower, MN

Low Hazard 21 ft

Kiser Site 1

Mower, MN

Low Hazard 22 ft

Red Rock 36 North

Mower, MN

Low Hazard 13 ft

Kiser Ds Site 2

Mower, MN

Low Hazard 18 ft

Red Rock 36 South

Mower, MN

Low Hazard 11 ft

Red Rock 26

Mower, MN

Low Hazard 10 ft

Dexter 16

Mower, MN

Low Hazard 12 ft

Red Rock 27

Mower, MN

Low Hazard 7 ft

Frequently Asked Questions

What is the hazard classification of Dexter 30?

Dexter 30 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 Dexter 30?

Dexter 30 is owned by WD of Cedar River (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dexter 30 built?

Dexter 30 was completed in 2020, making it 6 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 Dexter 30?

Dexter 30 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 Dexter 30?

Dexter 30 has a dam height of 17 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 Dexter 30 last inspected?

Dexter 30 was last inspected on June 29, 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.