Hill River Lake
Key Takeaway
Hill River Lake is classified as low hazard in Minnesota. It was completed in 1950 and is 76 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 6 ft (taller than 1.9% in MN) |
| Dam Length | 42 ft |
| Dam Type | Gravity |
| Max Storage | 940 acre-ft |
| Normal Storage | 780 acre-ft |
| Surface Area | 88 acres |
| Drainage Area | 99 sq mi |
| Max Discharge | 760 cfs |
| Year Completed | 1950 (76 years old) |
| NID ID | MN00226 |
Safety Information
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?
Ownership
MNDNR-Fisheries
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hill River Lake?
Hill River 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 Hill River Lake?
Hill River Lake is owned by MNDNR-Fisheries (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hill River Lake built?
Hill River Lake was completed in 1950, making it 76 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 Hill River Lake?
Hill River Lake 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 Hill River Lake?
Hill River Lake has a dam height of 6 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 Hill River Lake last inspected?
Hill River Lake was last inspected on June 9, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.