Cord Subwatershed M-5571

TR-MILLER CREEK· Woodbury, Iowa· Built 1957· Earth· 36 ft tall

Key Takeaway

Cord Subwatershed M-5571 is classified as low hazard in Iowa. It was completed in 1957 and is 69 years old. Its primary use is fire protection.

Physical Details

Dam Height 36 ft (taller than 74.2% in IA)
Dam Length450 ft
Dam TypeEarth
Max Storage119 acre-ft
Normal Storage54 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1957 (69 years old)
NID IDIA01703

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
Last Inspection: April 22, 1977
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Woodbury County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cord Subwatershed M-5571?

Cord Subwatershed M-5571 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 Cord Subwatershed M-5571?

Cord Subwatershed M-5571 is owned by Woodbury County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cord Subwatershed M-5571 built?

Cord Subwatershed M-5571 was completed in 1957, making it 69 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 Cord Subwatershed M-5571?

Cord Subwatershed M-5571 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 Cord Subwatershed M-5571?

Cord Subwatershed M-5571 has a dam height of 36 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 Cord Subwatershed M-5571 last inspected?

Cord Subwatershed M-5571 was last inspected on April 22, 1977. 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.