Vander Zyl Dam

TR- TURNER CREEK· Jasper, Iowa· Built 1994· Earth· 37 ft tall

Key Takeaway

Vander Zyl Dam is classified as low hazard in Iowa. It was completed in 1994 and is 32 years old. Its primary use is fire protection.

Physical Details

Dam Height 37 ft (taller than 77.4% in IA)
Dam Length430 ft
Dam TypeEarth
Max Storage158 acre-ft
Normal Storage108 acre-ft
Surface Area11 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1994 (32 years old)
NID IDIA02846

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

Jad VanderZyl

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Vander Zyl Dam?

Vander Zyl 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 Vander Zyl Dam?

Vander Zyl Dam is owned by Jad VanderZyl (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Vander Zyl Dam built?

Vander Zyl Dam was completed in 1994, making it 32 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 Vander Zyl Dam?

Vander Zyl Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Vander Zyl Dam?

Vander Zyl Dam has a dam height of 37 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.