Dillon Lake Dam

TR TO PIN OAK BRANCH· Maries, Missouri· Built 1954· Earth· 25 ft tall
Low Hazard Recreation Water Supply Private

Key Takeaway

Dillon Lake Dam is classified as low hazard in Missouri. It was completed in 1954 and is 72 years old. Its primary use is recreation.

Physical Details

Dam Height 25 ft (taller than 23.5% in MO)
Dam TypeEarth
Max Storage160 acre-ft
Normal Storage140 acre-ft
Surface Area12 acres
Drainage Area60 sq mi
Year Completed1954 (72 years old)
NID IDMO30062

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

VERNON DILLON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dillon Lake Dam?

Dillon 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 Dillon Lake Dam?

Dillon Lake Dam is owned by VERNON DILLON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dillon Lake Dam built?

Dillon Lake Dam was completed in 1954, making it 72 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 Dillon Lake Dam?

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

How tall is Dillon Lake Dam?

Dillon 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.