Speaks Gss No.1 is an earth dam located in Garvin County, Oklahoma, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 200 ft long, taller than 78% 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 Speaks Gss No.1
Speaks Gss No.1 is a dam in Garvin, Oklahoma. The dam is owned by John Dale Lindsey (private). It impounds the Tr-rock Creek near Elmore City.
The dam stands 34 feet tall and stretches 200 feet across, and has a maximum storage capacity of 75 acre-feet. Completed in 1975, 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 05/04/2010. That was over 16 years ago.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Oklahoma |
| County | Garvin |
| Nearest City | Elmore City |
| River/Stream | Tr-rock Creek |
| Coordinates | 34.65671, -97.37924 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 200 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 75 acre-ft |
| Max Storage | 75 acre-ft |
| Normal Storage | 18 acre-ft |
| Max Discharge | 590 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | John Dale Lindsey |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/04/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21129 |
| Federal ID | OK21129 |
| More Info | State Dam Safety Program |