Crawford Creek Subwatershed Site M-3

CRAWFORD· Ida, Iowa· Built 1976· Earth· 49 ft tall
Significant Hazard Recreation Flood Risk Reduction Local Government

Key Takeaway

Crawford Creek Subwatershed Site M-3 is classified as significant hazard in Iowa. It was completed in 1976 and is 50 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 49 ft (taller than 94.6% in IA)
Dam Length980 ft
Dam TypeEarth
Max Storage1.3K acre-ft
Normal Storage654 acre-ft
Surface Area63 acres
Drainage Area4 sq mi
Max Discharge0 cfs
Year Completed1976 (50 years old)
NID IDIA01851

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: No
Last Inspection: July 12, 2018
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Ida County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crawford Creek Subwatershed Site M-3?

Crawford Creek Subwatershed Site M-3 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Crawford Creek Subwatershed Site M-3?

Crawford Creek Subwatershed Site M-3 is owned by Ida County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crawford Creek Subwatershed Site M-3 built?

Crawford Creek Subwatershed Site M-3 was completed in 1976, making it 50 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 Crawford Creek Subwatershed Site M-3?

Crawford Creek Subwatershed Site M-3 serves the following purposes: Recreation, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Crawford Creek Subwatershed Site M-3?

Crawford Creek Subwatershed Site M-3 has a dam height of 49 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 Crawford Creek Subwatershed Site M-3 last inspected?

Crawford Creek Subwatershed Site M-3 was last inspected on July 12, 2018. 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.