Wilbur Larason

TR-LITTLE RIVER· Mercer, Missouri· Built 1998· Earth· 27 ft tall
Low Hazard Water Supply Private

Key Takeaway

Wilbur Larason is classified as low hazard in Missouri. It was completed in 1998 and is 28 years old. Its primary use is water supply.

Physical Details

Dam Height 27 ft (taller than 49% in MO)
Dam Length274 ft
Dam TypeEarth
Max Storage23 acre-ft
Normal Storage18 acre-ft
Surface Area15 acres
Drainage Area380 sq mi
Max Discharge27 cfs
Year Completed1998 (28 years old)
NID IDMO50856

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 24, 1999
State Regulated: No

Ownership

LARASON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Wilbur Larason?

Wilbur Larason 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 Wilbur Larason?

Wilbur Larason is owned by LARASON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Wilbur Larason built?

Wilbur Larason was completed in 1998, making it 28 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 Wilbur Larason?

Wilbur Larason serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Wilbur Larason?

Wilbur Larason has a dam height of 27 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 Wilbur Larason last inspected?

Wilbur Larason was last inspected on June 24, 1999. 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.