Standard Drainage Area Classification (SDAC) 2003
- 07 - Great Slave Lake
- 07B - Central Athabasca, upper
- 07BA - Upper Pembina, Alberta
- 07BB - Central Pembina, Alberta
- 07BC - Lower Pembina, Alberta
- 07BD - Central Athabasca - Timeu
- 07BE - Central Athabasca - Tawatinaw
- 07BF - South Heart
- 07BG - Northern Lesser Slave Lake
- 07BH - Southwestern Lesser Slave Lake
- 07BJ - Southeastern Lesser Slave Lake
- 07BK - Lesser Slave
- 07 - Great Slave Lake
- 07B - Central Athabasca, upper
- 07BA - Upper Pembina, Alberta
- 07BB - Central Pembina, Alberta
- 07BC - Lower Pembina, Alberta
- 07BD - Central Athabasca - Timeu
- 07BE - Central Athabasca - Tawatinaw
- 07BF - South Heart
- 07BG - Northern Lesser Slave Lake
- 07BH - Southwestern Lesser Slave Lake
- 07BJ - Southeastern Lesser Slave Lake
- 07BK - Lesser Slave
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