Groendyke Pond No.1 is an earth dam located in Blaine County, Oklahoma, built in 1970. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 400 ft long, taller than 80% 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 Groendyke Pond No.1
The primary purpose of Groendyke Pond No.1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Donmar Ranch Properties LLC % Marc Mckinley (private). It impounds the Tr-canadian River near Bridgeport.
The dam stands 35 feet tall and stretches 400 feet across, creates a reservoir covering 2 acres, and has a maximum storage capacity of 120 acre-feet. Completed in 1970, the structure is well into its service life at over 50 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 06/09/2005. That was over 21 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Oklahoma |
| County | Blaine |
| Nearest City | Bridgeport |
| River/Stream | Tr-canadian River |
| Coordinates | 35.64787, -98.51609 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 400 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 2 acres |
| Max Discharge | 1,390 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Donmar Ranch Properties LLC % Marc Mckinley |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/09/2005 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK13241 |
| Federal ID | OK13241 |
| More Info | State Dam Safety Program |