Minor Sub-watersheds (Water Survey of Canada Regions) (0)
| 05AA |
| 05AB |
| 05AC |
| 05AD |
| 05AE |
| 05AG |
| 05AH |
| 05AJ |
| 05AK |
| 05BA |
| 05BB |
| 05BC |
| 05BD |
| 05BE |
| 05BF |
| 05BG |
| 05BH |
| 05BJ |
| 05BK |
| 05BL |
| 05BM |
| 05BN |
| 05CA |
| 05CB |
| 05CC |
| 05CD |
| 05CE |
| 05CF |
| 05CG |
| 05CH |
| 05CJ |
| 05CK |
| 05DA |
| 05DB |
| 05DC |
| 05DD |
| 05DE |
| 05DF |
| 05EA |
| 05EB |
| 05EC |
| 05ED |
| 05EE |
| 05EF |
| 05FA |
| 05FB |
| 05FC |
| 05FD |
| 05FE |
| 05GA |
| 05HA |
| 05HB |
| 06AA |
| 06AB |
| 06AC |
| 06AD |
| 06AF |
| 06BA |
| 07AA |
| 07AB |
| 07AC |
| 07AD |
| 07AE |
| 07AF |
| 07AG |
| 07AH |
| 07BA |
| 07BB |
| 07BC |
| 07BD |
| 07BE |
| 07BF |
| 07BG |
| 07BH |
| 07BJ |
| 07BK |
| 07CA |
| 07CB |
| 07CC |
| 07CD |
| 07CE |
| 07DA |
| 07DB |
| 07DC |
| 07DD |
| 07FC |
| 07FD |
| 07GA |
| 07GB |
| 07GC |
| 07GD |
| 07GE |
| 07GF |
| 07GG |
| 07GH |
| 07GJ |
| 07HA |
| 07HB |
| 07HC |
| 07HD |
| 07HE |
| 07HF |
| 07JA |
| 07JB |
| 07JC |
| 07JD |
| 07JE |
| 07JF |
| 07KA |
| 07KB |
| 07KC |
| 07KD |
| 07KE |
| 07KF |
| 07MA |
| 07MD |
| 07NA |
| 07NB |
| 07OA |
| 07OB |
| 07OC |
| 07PA |
| 07PB |
| 07PC |
| 07QA |
| 07QC |
| 07UC |
| 10CA |
| 10DA |
| 11AA |
| 11AA(05AF) |
| 11AB |
Major Sub-watersheds (1)
| Athabasca River |
| Battle River |
| Beaver River |
| Bow River |
| Brazeau River |
| Buffalo River |
| Churchill Lake |
| Clearwater River |
| Cold Lake |
| Fontas-Ft.Nelson River |
| Great Slave Lake |
| Hay River |
| Lake Athabasca |
| Lake Claire |
| Lesser Slave River |
| Little Buffalo River |
| Little Smoky River |
| McLeod River |
| Milk River |
| North Saskatchewan River |
| Oldman River |
| Pakowki Lake |
| Peace River |
| Pembina River |
| Petitot River |
| Red Deer River |
| Slave River |
| Smoky River |
| Sounding-Eyehill Creek |
| South Saskatchewan River |
| Wabasca River |
| Wapiti River |
Watersheds (2)
| Athabasca River |
| Battle River |
| Beaver River |
| Bow River |
| Buffalo River |
| Great Slave Lake |
| Hay River |
| Lake Athabasca |
| Liard River |
| Milk River |
| North Saskatchewan River |
| Oldman River |
| Pakowki Lake |
| Peace River |
| Red Deer River |
| Slave River |
| Sounding Creek |
| South Saskatchewan River |
Major River Basins (3)
| Athabasca |
| Beaver |
| Hay/Great Slave |
| Milk |
| North Saskatchewan |
| Peace/Slave |
| South Saskatchewan |
Sub-continental Basins (4)
| Churchill |
| Great Slave (Mackenzie) |
| Mackenzie |
| Missouri-Mississippi |
| Saskatchewan-Nelson |
Continental Basins (5)
| Mackenzie (Arctic Ocean) |
| Mississippi (Gulf of Mexico) |
| Nelson-Churchill (Hudson Bay) |
|