Crowther

SPRING CREEK MALAD RIVER· Oneida, Idaho· Built 1948· 90 ft tall
High Hazard Irrigation Private

Key Takeaway

Crowther is classified as high hazard in Idaho. It was completed in 1948 and is 78 years old. Its primary use is irrigation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 90 ft (taller than 91.5% in ID)
Dam Length850 ft
Normal Storage959 acre-ft
Surface Area33 acres
Drainage Area1 sq mi
Max Discharge106 cfs
Year Completed1948 (78 years old)
Year Modified1955
NID IDID00034

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: July 26, 2019
State Regulated: Yes
Regulatory Agency: IDWR

Ownership

Private

Nearby Dams

Saint John

Oneida, ID

High Hazard 43 ft

Deep Creek

Oneida, ID

High Hazard 91 ft

Samaria No 1 Lower

Oneida, ID

Significant Hazard 35 ft

Devil Creek

Oneida, ID

High Hazard 84 ft

Samaria No 2 Upper

Oneida, ID

Significant Hazard 46 ft

Deep Creek Upper

Oneida, ID

Significant Hazard 36 ft

Weston

Oneida, ID

High Hazard 42 ft

Daniels

Oneida, ID

High Hazard 96 ft

Frequently Asked Questions

What is the hazard classification of Crowther?

Crowther is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Crowther?

Crowther is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crowther built?

Crowther was completed in 1948, making it 78 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 Crowther?

Crowther 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 Crowther?

Crowther has a dam height of 90 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.

When was Crowther last inspected?

Crowther was last inspected on July 26, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.