Rowell Jerry D is an earth dam located in Grady County, Oklahoma, built in 1950. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 600 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 Rowell Jerry D
Rowell Jerry D is a dam in Grady, Oklahoma. The dam is owned by Susie Jane & Jerry Don Rowell (private). It impounds the Tr-rock Cr near Ninnekan.
The dam stands 25 feet tall and stretches 600 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 70 acre-feet. Completed in 1950, 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 02/06/2001. That was over 25 years ago.
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Location
| State | Oklahoma |
| County | Grady |
| Nearest City | Ninnekan |
| River/Stream | Tr-rock Cr |
| Coordinates | 34.91067, -97.91704 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 600 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 4,600 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Susie Jane & Jerry Don Rowell |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/06/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK11110 |
| Federal ID | OK11110 |
| More Info | State Dam Safety Program |