Stillwater Orchard Pond is an earth dam located in Adair County, Oklahoma, built in 1948. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 2,700 ft long, taller than 83% 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 Stillwater Orchard Pond
Stillwater Orchard Pond is a dam in Adair, Oklahoma. The dam is owned by John C & Shirley F Auffet (private). It impounds the Tr-evansville Creek near Evansville Ark..
The dam stands 37 feet tall and stretches 2,700 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 220 acre-feet. Completed in 1948, the structure is well-established, with more than 75 years of service.
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 11/30/2010. That was over 15 years ago.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Oklahoma |
| County | Adair |
| Nearest City | Evansville Ark. |
| River/Stream | Tr-evansville Creek |
| Coordinates | 35.80460, -94.59126 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 2,700 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 9 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | John C & Shirley F Auffet |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/30/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21205 |
| Federal ID | OK21205 |
| More Info | State Dam Safety Program |