Prior Lake

Minnesota River-TR· Scott, Minnesota· Gravity· 5 ft tall
Low Hazard State Government

Key Takeaway

Prior Lake is classified as low hazard in Minnesota.

Physical Details

Dam Height 5 ft (taller than 1% in MN)
Dam Length8 ft
Dam TypeGravity
Normal Storage1.8K acre-ft
Surface Area1,056 acres
Drainage Area35 sq mi
NID IDMN01328

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 22, 2023
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Prior Lake?

Prior Lake 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 Prior Lake?

Prior Lake is owned by MNDNR (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

How tall is Prior Lake?

Prior Lake has a dam height of 5 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 Prior Lake last inspected?

Prior Lake was last inspected on June 22, 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.