Olmsted County Rd 10

Lynch Creek-TR· Olmsted, Minnesota· Built 1978· Earth· 37 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Olmsted County Rd 10 is classified as low hazard in Minnesota. It was completed in 1978 and is 48 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 37 ft (taller than 91.8% in MN)
Dam Length440 ft
Dam TypeEarth
Max Storage114 acre-ft
Normal Storage9 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge43 cfs
Year Completed1978 (48 years old)
NID IDMN00869

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 21, 2017
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

County of Olmsted

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Olmsted County Rd 10?

Olmsted County Rd 10 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 Olmsted County Rd 10?

Olmsted County Rd 10 is owned by County of Olmsted (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Olmsted County Rd 10 built?

Olmsted County Rd 10 was completed in 1978, making it 48 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 Olmsted County Rd 10?

Olmsted County Rd 10 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 Olmsted County Rd 10?

Olmsted County Rd 10 has a dam height of 37 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 Olmsted County Rd 10 last inspected?

Olmsted County Rd 10 was last inspected on June 21, 2017. 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.