Nanih Waiya Lake
Nanih Waiya Lake is a dam located in Pushmataha County, Oklahoma, built in 1958. It carries a Low hazard potential classification.
About Nanih Waiya Lake
The primary purpose of Nanih Waiya Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dept Of Wildlife (state). It impounds the Tr-kiamichi Riv near Tuskahoma.
The dam stands 35 feet tall and stretches 1,500 feet across, creates a reservoir covering 131 acres, has a maximum storage capacity of 693 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1958, 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 06/12/2003. That was over 22 years ago.
At 35 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Oklahoma |
| County | Pushmataha |
| Nearest City | Tuskahoma |
| River/Stream | Tr-kiamichi Riv |
| Coordinates | 34.63075, -95.29699 |
Physical Characteristics
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 1,500 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 1,064 acre-ft |
| Max Storage | 693 acre-ft |
| Normal Storage | 1,064 acre-ft |
| Surface Area | 131 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,004 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Dept of Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 06/12/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK02343 |
| Federal ID | OK02343 |
| More Info | State Dam Safety Program |