Swarthout Lake Dam

TR TO MARIES RIVER· Maries, Missouri· Built 1937· Earth· 25 ft tall
Low Hazard Recreation Private

Key Takeaway

Swarthout Lake Dam is classified as low hazard in Missouri. It was completed in 1937 and is 89 years old. Its primary use is recreation.

Physical Details

Dam Height 25 ft (taller than 23.5% in MO)
Dam TypeEarth
Max Storage54 acre-ft
Normal Storage30 acre-ft
Surface Area4 acres
Drainage Area28 sq mi
Year Completed1937 (89 years old)
NID IDMO31582

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

HARRY D SWARTHOUT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Swarthout Lake Dam?

Swarthout Lake 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 Swarthout Lake Dam?

Swarthout Lake Dam is owned by HARRY D SWARTHOUT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Swarthout Lake Dam built?

Swarthout Lake Dam was completed in 1937, making it 89 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 Swarthout Lake Dam?

Swarthout Lake 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 Swarthout Lake Dam?

Swarthout Lake Dam has a dam height of 25 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.