North Pigeon Cr Watershed Site M-4

TR-PIGEON CREEK· Pottawattamie, Iowa· Built 1971· Earth· 51 ft tall

Key Takeaway

North Pigeon Cr Watershed Site M-4 is classified as low hazard in Iowa. It was completed in 1971 and is 55 years old. Its primary use is fire protection.

Physical Details

Dam Height 51 ft (taller than 96% in IA)
Dam Length690 ft
Dam TypeEarth
Max Storage247 acre-ft
Normal Storage130 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1971 (55 years old)
NID IDIA00927

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: 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-4?

North Pigeon Cr Watershed Site M-4 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 North Pigeon Cr Watershed Site M-4?

North Pigeon Cr Watershed Site M-4 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-4 built?

North Pigeon Cr Watershed Site M-4 was completed in 1971, making it 55 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-4?

North Pigeon Cr Watershed Site M-4 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. 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-4?

North Pigeon Cr Watershed Site M-4 has a dam height of 51 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.