Arcola Subwatershed Site B-3000

TR- LITTLE SIOUX RIVER· Monona, Iowa· Built 1965· Earth· 34 ft tall

Key Takeaway

Arcola Subwatershed Site B-3000 is classified as low hazard in Iowa. It was completed in 1965 and is 61 years old. Its primary use is fire protection.

Physical Details

Dam Height 34 ft (taller than 67.4% in IA)
Dam Length200 ft
Dam TypeEarth
Max Storage19 acre-ft
Normal Storage10 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1965 (61 years old)
NID IDIA02726

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

Monona County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Arcola Subwatershed Site B-3000?

Arcola Subwatershed Site B-3000 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 Arcola Subwatershed Site B-3000?

Arcola Subwatershed Site B-3000 is owned by Monona County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Arcola Subwatershed Site B-3000 built?

Arcola Subwatershed Site B-3000 was completed in 1965, making it 61 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 Arcola Subwatershed Site B-3000?

Arcola Subwatershed Site B-3000 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 Arcola Subwatershed Site B-3000?

Arcola Subwatershed Site B-3000 has a dam height of 34 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.