| Attribute | La Grande 3 × | Williston × |
|---|---|---|
| Bordering countries | ||
| Surface Area (km²) | 2420 | 1779 |
| Mean Depth (m) | 24.4 | 43.3 |
| Volume (km³) | 60.02 | 70.3 |
| Shoreline (km) | 3600 | 1770 |
| Catchment Area (km²) | 100000 | 71999.99 |
| Residence Time (yr) | 0.95 | 2.2 |
| Frozen Period | Dec.-Jun. | Nov-May |
| Mixing Type | - | Dimictic |
| Morphogenesis/Dam | Artificial | W.A.C. Bennet Dam (1968) |
| Coordinates | ||
| Latitude | 53.833 | 56.04 |
| Longitude | -75.347 | -122.205 |