Shamley Gss No.1 is an earth dam located in Garvin County, Oklahoma, built in 1976. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 650 ft long, taller than 68% 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 Shamley Gss No.1
Shamley Gss No.1 is a dam in Garvin, Oklahoma. The dam is owned by Terry Shamley (private). It impounds the Tr-rush Creek near Pauls Valley.
The dam stands 30 feet tall and stretches 650 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 420 acre-feet. Completed in 1976, the structure is 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 02/05/2002. That was over 24 years ago.
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Location
| State | Oklahoma |
| County | Garvin |
| Nearest City | Pauls Valley |
| River/Stream | Tr-rush Creek |
| Coordinates | 34.74127, -97.32783 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 650 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 420 acre-ft |
| Max Storage | 420 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 4 acres |
| Max Discharge | 198 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Terry Shamley |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 02/05/2002 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK11107 |
| Federal ID | OK11107 |
| More Info | State Dam Safety Program |