Nora Springs Low Head Dam

Shell Rock River· Floyd, Iowa· Built 1895· Concrete· 12 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Nora Springs Low Head Dam is classified as low hazard in Iowa. It was completed in 1895 and is 131 years old. Its primary use is recreation.

Physical Details

Dam Height 12 ft (taller than 3.1% in IA)
Dam Length600 ft
Dam TypeConcrete
Max Storage150 acre-ft
Normal Storage70 acre-ft
Surface Area22 acres
Drainage Area500 sq mi
Year Completed1895 (131 years old)
Year Modified1964
NID IDIA04082

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

City of Nora Springs

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Nora Springs Low Head Dam?

Nora Springs Low Head 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 Nora Springs Low Head Dam?

Nora Springs Low Head Dam is owned by City of Nora Springs (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Nora Springs Low Head Dam built?

Nora Springs Low Head Dam was completed in 1895, making it 131 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 Nora Springs Low Head Dam?

Nora Springs Low Head Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Nora Springs Low Head Dam?

Nora Springs Low Head Dam has a dam height of 12 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.