North Pigeon Cr Watershed Site M-1

NORTH PIGEON CREEK· Pottawattamie, Iowa· Built 1993· Earth· 62 ft tall
Significant Hazard Flood Risk Reduction Fire Protection Stock Or Small Fish Pond Local Government

Key Takeaway

North Pigeon Cr Watershed Site M-1 is classified as significant hazard in Iowa. It was completed in 1993 and is 33 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 62 ft (taller than 98.9% in IA)
Dam Length750 ft
Dam TypeEarth
Max Storage1.7K acre-ft
Normal Storage575 acre-ft
Surface Area41 acres
Drainage Area4 sq mi
Max Discharge0 cfs
Year Completed1993 (33 years old)
NID IDIA02662

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: June 29, 2017
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

West Pottawattamie County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of North Pigeon Cr Watershed Site M-1?

North Pigeon Cr Watershed Site M-1 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 North Pigeon Cr Watershed Site M-1?

North Pigeon Cr Watershed Site M-1 is owned by West Pottawattamie County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was North Pigeon Cr Watershed Site M-1 built?

North Pigeon Cr Watershed Site M-1 was completed in 1993, making it 33 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 North Pigeon Cr Watershed Site M-1?

North Pigeon Cr Watershed Site M-1 serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is North Pigeon Cr Watershed Site M-1?

North Pigeon Cr Watershed Site M-1 has a dam height of 62 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 North Pigeon Cr Watershed Site M-1 last inspected?

North Pigeon Cr Watershed Site M-1 was last inspected on June 29, 2017. 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.