Big Wyacondah Watershed Site 21c

TR-SOUTH WYACONDAH· Davis, Iowa· Built 1976· Earth· 29 ft tall

Key Takeaway

Big Wyacondah Watershed Site 21c is classified as low hazard in Iowa. It was completed in 1976 and is 50 years old. Its primary use is fire protection.

Physical Details

Dam Height 29 ft (taller than 42.8% in IA)
Dam Length510 ft
Dam TypeEarth
Max Storage140 acre-ft
Normal Storage53 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1976 (50 years old)
NID IDIA01565

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

Davis County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Big Wyacondah Watershed Site 21c?

Big Wyacondah Watershed Site 21c 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 Big Wyacondah Watershed Site 21c?

Big Wyacondah Watershed Site 21c is owned by Davis County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Big Wyacondah Watershed Site 21c built?

Big Wyacondah Watershed Site 21c was completed in 1976, making it 50 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 Big Wyacondah Watershed Site 21c?

Big Wyacondah Watershed Site 21c 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 Big Wyacondah Watershed Site 21c?

Big Wyacondah Watershed Site 21c has a dam height of 29 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.