Cresswell Dam

TR-MAPLE RIVER· Woodbury, Iowa· Built 1954· Earth· 33 ft tall

Key Takeaway

Cresswell Dam is classified as low hazard in Iowa. It was completed in 1954 and is 72 years old. Its primary use is fire protection.

Physical Details

Dam Height 33 ft (taller than 63.3% in IA)
Dam Length950 ft
Dam TypeEarth
Max Storage162 acre-ft
Normal Storage57 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1954 (72 years old)
NID IDIA01665

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: March 12, 1987
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Lloyd D Creswell

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cresswell Dam?

Cresswell Dam 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 Cresswell Dam?

Cresswell Dam is owned by Lloyd D Creswell (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cresswell Dam built?

Cresswell Dam was completed in 1954, making it 72 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 Cresswell Dam?

Cresswell Dam 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 Cresswell Dam?

Cresswell Dam has a dam height of 33 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 Cresswell Dam last inspected?

Cresswell Dam was last inspected on March 12, 1987. 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.