Harper County
Key Takeaway
Harper County is classified as low hazard in Oklahoma. It was completed in 1965 and is 61 years old. Its primary use is other.
Physical Details
| Dam Height | 18 ft (taller than 7.5% in OK) |
| Dam Length | 560 ft |
| Dam Type | Earth |
| Max Storage | 110 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 310 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | OK12252 |
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
HARWICK FAMILY TR ETAL
Private
Nearby Dams
Yauk Freda A
Harper, OK
Low Hazard 22 ftWeder John
Harper, OK
Low Hazard 35 ftOknoname 059047
Harper, OK
Low Hazard 24 ftOknoname 059048
Harper, OK
Low Hazard 15 ftMiller
Harper, OK
Low Hazard 21 ftOknoname 059046
Harper, OK
Low Hazard 25 ftGlen
Harper, OK
Unknown 25 ftOknoname 059010
Harper, OK
Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Harper County?
Harper County 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 Harper County?
Harper County is owned by HARWICK FAMILY TR ETAL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Harper County built?
Harper County was completed in 1965, making it 61 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 Harper County?
Harper County serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Harper County?
Harper County has a dam height of 18 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.
When was Harper County last inspected?
Harper County was last inspected on August 10, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.