Huff Subwatershed 3-6069

TR- LITTLE SIOUX RIVER· Monona, Iowa· Built 1963· Earth· 40 ft tall

Key Takeaway

Huff Subwatershed 3-6069 is classified as low hazard in Iowa. It was completed in 1963 and is 63 years old. Its primary use is fire protection.

Physical Details

Dam Height 40 ft (taller than 84% in IA)
Dam Length0 ft
Dam TypeEarth
Max Storage20 acre-ft
Normal Storage12 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1963 (63 years old)
NID IDIA02762

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 Huff Subwatershed 3-6069?

Huff Subwatershed 3-6069 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 Huff Subwatershed 3-6069?

Huff Subwatershed 3-6069 is owned by Monona County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Huff Subwatershed 3-6069 built?

Huff Subwatershed 3-6069 was completed in 1963, making it 63 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 Huff Subwatershed 3-6069?

Huff Subwatershed 3-6069 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 Huff Subwatershed 3-6069?

Huff Subwatershed 3-6069 has a dam height of 40 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.