Lone Elk-Upper Dam

TR TO MERAMEC RIVER· St. Louis, Missouri· Earth· 30 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Lone Elk-Upper Dam is classified as low hazard in Missouri. Its primary use is recreation.

Physical Details

Dam Height 30 ft (taller than 63.5% in MO)
Dam TypeEarth
Max Storage32 acre-ft
Normal Storage15 acre-ft
Surface Area2 acres
Drainage Area12 sq mi
NID IDMO11102

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
State Regulated: No

Ownership

ST LOUIS COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lone Elk-Upper Dam?

Lone Elk-Upper Dam 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 Lone Elk-Upper Dam?

Lone Elk-Upper Dam is owned by ST LOUIS COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Lone Elk-Upper Dam?

Lone Elk-Upper Dam 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 Lone Elk-Upper Dam?

Lone Elk-Upper Dam has a dam height of 30 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.

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.