H & N Co.
Key Takeaway
H & N Co. is classified as low hazard in Oklahoma. It was completed in 1977 and is 49 years old. Its primary use is recreation.
Physical Details
| Dam Height | 25 ft (taller than 29.9% in OK) |
| Dam Length | 205 ft |
| Dam Type | Earth |
| Max Storage | 51 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 3 acres |
| Max Discharge | 1,600 cfs |
| Year Completed | 1977 (49 years old) |
| NID ID | OK12395 |
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
RICHARD J MORRISON FAM LTD PART
Private
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Low Hazard 45 ftFrequently Asked Questions
What is the hazard classification of H & N Co.?
H & N Co. 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 H & N Co.?
H & N Co. is owned by RICHARD J MORRISON FAM LTD PART (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was H & N Co. built?
H & N Co. was completed in 1977, making it 49 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 H & N Co.?
H & N Co. serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is H & N Co.?
H & N Co. has a dam height of 25 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 H & N Co. last inspected?
H & N Co. was last inspected on August 3, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.