Scs-tonkawa Creek Site-001 is an earth dam located in Caddo County, Oklahoma, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 35 ft35 ft tall and 1,980 ft long, taller than 80% 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 Scs-tonkawa Creek Site-001
The primary purpose of Scs-tonkawa Creek Site-001 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by South Caddo Cons Dist (state). It impounds the Tonkawa Cr near Anadarko.
The dam stands 35 feet tall and stretches 1,980 feet across, creates a reservoir covering 26 acres, and has a maximum storage capacity of 679 acre-feet. Completed in 1969, 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 01/01/1980. That was over 46 years ago.
At 35 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Oklahoma |
| County | Caddo |
| Nearest City | Anadarko |
| River/Stream | Tonkawa Cr |
| Coordinates | 35.01048, -98.24895 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 1,980 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 679 acre-ft |
| Max Storage | 679 acre-ft |
| Normal Storage | 95 acre-ft |
| Surface Area | 26 acres |
| Max Discharge | 6,020 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | South Caddo Cons Dist |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 01/01/1980 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK20599 |
| Federal ID | OK20599 |
| More Info | State Dam Safety Program |