Eyster John
Key Takeaway
Eyster John is classified as low hazard in Oklahoma. It was completed in 1980 and is 46 years old. Its primary use is other.
Physical Details
| Dam Height | 25 ft (taller than 29.9% in OK) |
| Dam Length | 210 ft |
| Dam Type | Earth |
| Max Storage | 107 acre-ft |
| Normal Storage | 30 acre-ft |
| Max Discharge | 865 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | OK21508 |
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
JOHN D EYSTER
Private
Nearby Dams
Woldridge
Custer, OK
Low Hazard 26 ftWoldridge
Custer, OK
Low Hazard 34 ftRex Hoffman Gss 1
Custer, OK
Low Hazard 34 ftNola Christensen
Custer, OK
Low Hazard 25 ftChristensen
Custer, OK
Low Hazard 25 ftSwitzer Al
Custer, OK
Low Hazard 25 ftAllen Janzen
Custer, OK
Low Hazard 27 ftMossburg
Custer, OK
Low Hazard 27 ftFrequently Asked Questions
What is the hazard classification of Eyster John?
Eyster John 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 Eyster John?
Eyster John is owned by JOHN D EYSTER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Eyster John built?
Eyster John was completed in 1980, making it 46 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 Eyster John?
Eyster John 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 Eyster John?
Eyster John 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 Eyster John last inspected?
Eyster John was last inspected on July 25, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.