Lake Graham Dam is an earth dam located in Briscoe County, Texas, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 63 ft63 ft tall and 2,900 ft long, taller than 95% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Graham Dam
The primary purpose of Lake Graham Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Walter Graham (private). It impounds the Little Cottonwood Creek.
The dam stands 63 feet tall and stretches 2,900 feet across, has a maximum storage capacity of 1,250 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1963, 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 07/21/1977. That was over 49 years ago.
At 63 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Texas |
| County | Briscoe |
| River/Stream | Little Cottonwood Creek |
| Coordinates | 34.36300, -101.12774 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 63 ft |
| Dam Height | 63 ft |
| Dam Length | 2,900 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 1,250 acre-ft |
| Max Storage | 1,250 acre-ft |
| Normal Storage | 1,080 acre-ft |
| Drainage Area | 8 sq mi |
| Max Discharge | 4,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Walter Graham |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/21/1977 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX02534 |
| Federal ID | TX02534 |
| More Info | State Dam Safety Program |