Hammers No.1 is an earth dam located in Garvin County, Oklahoma, built in 1977. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 630 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 Hammers No.1
Hammers No.1 is a dam in Garvin, Oklahoma. The dam is owned by Bobby and Lorene Hammer (private). It impounds the Tr-rock Cr near Elmore City.
The dam stands 25 feet tall and stretches 630 feet across, and has a maximum storage capacity of 51 acre-feet. Completed in 1977, the structure is 49 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 04/22/2010. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Garvin |
| Nearest City | Elmore City |
| River/Stream | Tr-rock Cr |
| Coordinates | 34.64644, -97.37647 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 630 ft |
| Year Completed | 1977 (49 years old) |
Storage & Hydraulics
| NID Storage | 51 acre-ft |
| Max Storage | 51 acre-ft |
| Normal Storage | 25 acre-ft |
| Max Discharge | 590 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | Bobby and Lorene Hammer |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/22/2010 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK21122 |
| Federal ID | OK21122 |
| More Info | State Dam Safety Program |