Roberts No 1
Key Takeaway
Roberts No 1 is classified as low hazard in Oklahoma. It was completed in 1975 and is 51 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 21 ft (taller than 17.7% in OK) |
| Dam Length | 1,017 ft |
| Dam Type | Earth |
| Max Storage | 135 acre-ft |
| Normal Storage | 85 acre-ft |
| Max Discharge | 725 cfs |
| Year Completed | 1975 (51 years old) |
| NID ID | OK00047 |
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
STEPHEN MARK & KAY LYNN ROBERTS
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Roberts No 1?
Roberts No 1 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 Roberts No 1?
Roberts No 1 is owned by STEPHEN MARK & KAY LYNN ROBERTS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Roberts No 1 built?
Roberts No 1 was completed in 1975, making it 51 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 Roberts No 1?
Roberts No 1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Roberts No 1?
Roberts No 1 has a dam height of 21 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 Roberts No 1 last inspected?
Roberts No 1 was last inspected on August 14, 2006. Inspection dates indicate when a formal review occurred, not the results of that inspection.