Davis Irrigation

LITTLE MISSOURI RIVER TRIB· Harding, South Dakota· Built 1946· Earth· 18 ft tall
Low Hazard Irrigation Private

Key Takeaway

Davis Irrigation is classified as low hazard in South Dakota. It was completed in 1946 and is 80 years old. Its primary use is irrigation.

Physical Details

Dam Height 18 ft (taller than 24.1% in SD)
Dam Length490 ft
Dam TypeEarth
Max Storage122 acre-ft
Normal Storage95 acre-ft
Max Discharge550 cfs
Year Completed1946 (80 years old)
NID IDSD00640

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: Yes
Regulatory Agency: DANR

Ownership

REX DAVIS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Davis Irrigation?

Davis Irrigation 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 Davis Irrigation?

Davis Irrigation is owned by REX DAVIS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Davis Irrigation built?

Davis Irrigation was completed in 1946, making it 80 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 Davis Irrigation?

Davis Irrigation 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 Davis Irrigation?

Davis Irrigation has a dam height of 18 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.