Rittenhouse Gp-12 is an earth dam located in Harper County, Oklahoma, built in 1958. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 154 ft long, taller than 62% 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 Rittenhouse Gp-12
Rittenhouse Gp-12 is a dam in Harper, Oklahoma. The dam is owned by Ray Rittenhouse (private). It impounds the Sleeping Bear Creek near Fort Supply.
The dam stands 28 feet tall and stretches 154 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 26 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1958, 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.
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Location
| State | Oklahoma |
| County | Harper |
| Nearest City | Fort Supply |
| River/Stream | Sleeping Bear Creek |
| Coordinates | 36.62096, -99.35376 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 154 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Normal Storage | 19 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Ray Rittenhouse |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK83843 |
| Federal ID | OK83843 |
| More Info | State Dam Safety Program |