Lory Lake Structure 1

Ties Creek-TR· Isanti, Minnesota· Built 1962· Gravity· 7 ft tall
Low Hazard Fish And Wildlife Pond State Government

Key Takeaway

Lory Lake Structure 1 is classified as low hazard in Minnesota. It was completed in 1962 and is 64 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 7 ft (taller than 8.5% in MN)
Dam Length800 ft
Dam TypeGravity
Max Storage2.1K acre-ft
Normal Storage1.1K acre-ft
Surface Area341 acres
Drainage Area4 sq mi
Max Discharge102 cfs
Year Completed1962 (64 years old)
Year Modified1992
NID IDMN00529

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 20, 2016
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR-Wildlife

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lory Lake Structure 1?

Lory Lake Structure 1 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 Lory Lake Structure 1?

Lory Lake Structure 1 is owned by MNDNR-Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lory Lake Structure 1 built?

Lory Lake Structure 1 was completed in 1962, making it 64 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 Lory Lake Structure 1?

Lory Lake Structure 1 serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lory Lake Structure 1?

Lory Lake Structure 1 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 Lory Lake Structure 1 last inspected?

Lory Lake Structure 1 was last inspected on October 20, 2016. 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.