Castle Lake Dam

SALLY BRANCH· Callaway, Missouri· Built 1977· Earth· 20 ft tall
Low Hazard Irrigation Private

Key Takeaway

Castle Lake Dam is classified as low hazard in Missouri. It was completed in 1977 and is 49 years old. Its primary use is irrigation.

Physical Details

Dam Height 20 ft (taller than 7.1% in MO)
Dam Length1,000 ft
Dam TypeEarth
Max Storage53 acre-ft
Normal Storage53 acre-ft
Surface Area11 acres
Drainage Area211 sq mi
Max Discharge100 cfs
Year Completed1977 (49 years old)
NID IDMO11410

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

WM D CASTLE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Castle Lake Dam?

Castle 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 Castle Lake Dam?

Castle Lake Dam is owned by WM D CASTLE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Castle Lake Dam built?

Castle Lake Dam was completed in 1977, making it 49 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 Castle Lake Dam?

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

How tall is Castle Lake Dam?

Castle Lake Dam has a dam height of 20 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.