Sand Lake Level Control Structure

Trib to Prairie River· St. Joseph, Michigan· Built 1970· Earth· 7 ft tall
Low Hazard Recreation Private

Key Takeaway

Sand Lake Level Control Structure is classified as low hazard in Michigan. It was completed in 1970 and is 56 years old. Its primary use is recreation.

Physical Details

Dam Height 7 ft (taller than 1.3% in MI)
Dam Length25 ft
Dam TypeEarth
Max Storage400 acre-ft
Normal Storage125 acre-ft
Surface Area95 acres
Drainage Area0 sq mi
Year Completed1970 (56 years old)
NID IDMI00950

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: April 30, 2018
State Regulated: No

Ownership

Saint Joseph County DC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sand Lake Level Control Structure?

Sand Lake Level Control Structure 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 Sand Lake Level Control Structure?

Sand Lake Level Control Structure is owned by Saint Joseph County DC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sand Lake Level Control Structure built?

Sand Lake Level Control Structure was completed in 1970, making it 56 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 Sand Lake Level Control Structure?

Sand Lake Level Control Structure serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Sand Lake Level Control Structure?

Sand Lake Level Control Structure 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 Sand Lake Level Control Structure last inspected?

Sand Lake Level Control Structure was last inspected on April 30, 2018. 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.