Holste Dam

TR-MOORE CREEK· Cass, Iowa· Built 1968· Earth· 26 ft tall

Key Takeaway

Holste Dam is classified as low hazard in Iowa. It was completed in 1968 and is 58 years old. Its primary use is fire protection.

Physical Details

Dam Height 26 ft (taller than 24.7% in IA)
Dam Length512 ft
Dam TypeEarth
Max Storage92 acre-ft
Normal Storage49 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1968 (58 years old)
NID IDIA00166

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

Wallace Holste

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Holste Dam?

Holste 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 Holste Dam?

Holste Dam is owned by Wallace Holste (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Holste Dam built?

Holste Dam was completed in 1968, making it 58 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 Holste Dam?

Holste 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 Holste Dam?

Holste Dam has a dam height of 26 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.