Eyster John is an earth dam located in Custer County, Oklahoma, built in 1980. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 210 ft long, taller than 50% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Eyster John
Eyster John is a dam in Custer, Oklahoma. The dam is owned by John D Eyster (private). It impounds the Tr-deer Cr near Hydro.
The dam stands 25 feet tall and stretches 210 feet across, and has a maximum storage capacity of 107 acre-feet. Completed in 1980, the structure is 46 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 07/25/2011. That was over 15 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Oklahoma |
| County | Custer |
| Nearest City | Hydro |
| River/Stream | Tr-deer Cr |
| Coordinates | 35.70726, -98.80024 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 210 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 107 acre-ft |
| Max Storage | 107 acre-ft |
| Normal Storage | 30 acre-ft |
| Max Discharge | 865 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | John D Eyster |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/25/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21508 |
| Federal ID | OK21508 |
| More Info | State Dam Safety Program |