Plymouth Creek

Plymouth Creek· Hennepin, Minnesota· Built 1985· Earth· 7 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Plymouth Creek is classified as low hazard in Minnesota. It was completed in 1985 and is 41 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 7 ft (taller than 8.5% in MN)
Dam TypeEarth
Max Storage150 acre-ft
Surface Area69 acres
Drainage Area5 sq mi
Year Completed1985 (41 years old)
NID IDMN01492

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: October 18, 2023
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

City of Plymouth

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Plymouth Creek?

Plymouth Creek 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 Plymouth Creek?

Plymouth Creek is owned by City of Plymouth (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Plymouth Creek built?

Plymouth Creek was completed in 1985, making it 41 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 Plymouth Creek?

Plymouth Creek 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 Plymouth Creek?

Plymouth Creek has a dam height of 7 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 Plymouth Creek last inspected?

Plymouth Creek was last inspected on October 18, 2023. 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.