Godfrey Jack is an earth dam located in Marshall County, Oklahoma, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 45 ft45 ft tall, taller than 90% 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 Godfrey Jack
The primary purpose of Godfrey Jack is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by James H & Tina E Williams (private). It impounds the Tr Whiskey Cr.
The dam stands 45 feet tall, creates a reservoir covering 38 acres, and has a maximum storage capacity of 159 acre-feet. Completed in 1960, 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 10/25/2001. That was over 24 years ago.
At 45 feet, this dam is taller than 90% of dams nationwide.
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Location
| State | Oklahoma |
| County | Marshall |
| River/Stream | Tr Whiskey Cr |
| Coordinates | 34.06829, -96.79794 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 159 acre-ft |
| Max Storage | 159 acre-ft |
| Normal Storage | 65 acre-ft |
| Surface Area | 38 acres |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | James H & Tina E Williams |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/25/2001 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK22015 |
| Federal ID | OK22015 |
| More Info | State Dam Safety Program |