Crescent Lake Dam

Tr- Jordan Creek· Polk, Iowa· Built 2007· Earth· 22 ft tall

Key Takeaway

Crescent Lake Dam is classified as significant hazard in Iowa. It was completed in 2007 and is 19 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 22 ft (taller than 10.6% in IA)
Dam Length245 ft
Dam TypeEarth
Max Storage27 acre-ft
Normal Storage15 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2007 (19 years old)
NID IDIA03537

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
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Ladco Development

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Crescent Lake Dam?

Crescent Lake Dam 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 Crescent Lake Dam?

Crescent Lake Dam is owned by Ladco Development (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Crescent Lake Dam built?

Crescent Lake Dam was completed in 2007, making it 19 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 Crescent Lake Dam?

Crescent Lake Dam 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 Crescent Lake Dam?

Crescent Lake Dam has a dam height of 22 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.