Upper Spavinaw Lake Reservoir
| Reservoir Name | Upper Spavinaw Lake |
| Dam Name | Eucha |
| River | Spavinaw Creek |
| Administration City | Oklahoma |
| Country | United States |
| Year | 1952 |
| Dam Height | 29 |
| Dam Length | 61 |
| Area(Sqkm) | 9 |
| Area(Polygonal) | 9 |
| Capital Expenditure | 146.8 |
| Depth(M) | 16.3 |
| Avg Displacement Of Water | 8538 |
| Catchment Area In Sqkm | 934 |
| Main Usage | Water supply |
| Status | 2: Good |
| Longitude | -94.93375 |
| Latitude | 36.375417 |
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