Arnold Lake Dam
Key Takeaway
Arnold Lake Dam is classified as low hazard in Iowa. It was completed in 1964 and is 62 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 36 ft (taller than 74.2% in IA) |
| Dam Length | 330 ft |
| Dam Type | Earth |
| Max Storage | 49 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1964 (62 years old) |
| NID ID | IA01022 |
Safety Information
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?
Ownership
WT Arnold
Private
Nearby Dams
Mc Farland Lake Dam
Story, IA
Low Hazard 27 ftNorthridge Heights Dam
Story, IA
Significant Hazard 19 ftIsu Dam
Story, IA
Low Hazard 37 ftAmes Basin #3
Story, IA
High Hazard 10 ftAmes Basin #2
Story, IA
High Hazard 13 ftAmes Basin #4
Story, IA
High Hazard 12 ftCarver Dam
Story, IA
Low Hazard 26 ftOlson Dam
Story, IA
Low Hazard 24 ftFrequently Asked Questions
What is the hazard classification of Arnold Lake Dam?
Arnold Lake 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 Arnold Lake Dam?
Arnold Lake Dam is owned by WT Arnold (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Arnold Lake Dam built?
Arnold Lake Dam was completed in 1964, making it 62 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 Arnold Lake Dam?
Arnold Lake Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Arnold Lake Dam?
Arnold Lake Dam has a dam height of 36 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.