Standard Drainage Area Classification (SDAC) 2003
- 04 - Southwestern Hudson Bay
- 04A - Hayes, Manitoba
- 04AA - Upper Hayes, Manitoba
- 04AB - Lower Hayes, Manitoba
- 04AC - Gods Lake
- 04AD - Gods
- 04AE - Echoing
- 04AF - Fox
- 04B - Southwestern Hudson Bay
- 04BA - Kaskattama
- 04BB - Black Duck
- 04BC - Niskibi
- 04C - Severn
- 04CA - Upper Severn
- 04CB - Windigo
- 04CC - Central Severn
- 04CD - Sachigo
- 04CE - Fawn
- 04CF - Lower Severn
- 04D - Winisk, coast
- 04DA - Upper Winisk
- 04DB - Central Winisk
- 04DC - Lower Winisk
- 04DD - Shagamu
- 04E - Ekwan, coast
- 04EA - Upper Ekwan
- 04EB - Lower Ekwan
- 04EC - Opinnagau
- 04ED - Sutton
- 04F - Attawapiskat, coast
- 04FA - Otoskwin
- 04FB - Upper Attawapiskat
- 04FC - Lower Attawapiskat
- 04G - Upper Albany
- 04GA - Upper Albany - Cat
- 04GB - Upper Ogoki
- 04GC - Upper Albany - Misehkow
- 04GD - Upper Albany - Makokibatan Lake
- 04GE - Lower Ogoki
- 04GF - Upper Albany - Muswabik
- 04H - Lower Albany, coast
- 04HA - Albany - Mouth
- 04HB - Kinosheo
- 04HC - Upper Kapiskau
- 04HD - Lower Kapiskau
- 04J - Kenogami
- 04JA - Upper Kabinakagami
- 04JB - Lower Kabinakagami
- 04JC - Nagagami
- 04JD - Upper Kenogami
- 04JE - Drowning
- 04JF - Little Current
- 04JG - Lower Kenogami
- 04K - Moose, Ontario
- 04KA - Upper Moose
- 04KB - Lower Moose
- 04L - Missinaibi and Mattagami
- 04LA - Upper Mattagami
- 04LB - Central Mattagami
- 04LC - Upper Groundhog
- 04LD - Lower Groundhog
- 04LE - Upper Kapuskasing
- 04LF - Lower Kapuskasing
- 04LG - Lower Mattagami
- 04LH - Upper Missinaibi
- 04LJ - Central Missinaibi - Mattawitchewan
- 04LK - Central Missinaibi - Mattawishkwia
- 04LL - Opasatika
- 04M - Abitibi
- 04LM - Lower Missinaibi
- 04MA - Upper Abitibi
- 04MB - Black
- 04MC - Central Abitibi
- 04MD - Frederick House
- 04ME - Lower Abitibi
- 04N - Harricanaw, coast
- 04NA - Upper Harricanaw
- 04NB - Turgeon
- 04NC - Lower Harricanaw
- 04 - Southwestern Hudson Bay
- 04A - Hayes, Manitoba
- 04AA - Upper Hayes, Manitoba
- 04AB - Lower Hayes, Manitoba
- 04AC - Gods Lake
- 04AD - Gods
- 04AE - Echoing
- 04AF - Fox
- 04B - Southwestern Hudson Bay
- 04BA - Kaskattama
- 04BB - Black Duck
- 04BC - Niskibi
- 04C - Severn
- 04CA - Upper Severn
- 04CB - Windigo
- 04CC - Central Severn
- 04CD - Sachigo
- 04CE - Fawn
- 04CF - Lower Severn
- 04D - Winisk, coast
- 04DA - Upper Winisk
- 04DB - Central Winisk
- 04DC - Lower Winisk
- 04DD - Shagamu
- 04E - Ekwan, coast
- 04EA - Upper Ekwan
- 04EB - Lower Ekwan
- 04EC - Opinnagau
- 04ED - Sutton
- 04F - Attawapiskat, coast
- 04FA - Otoskwin
- 04FB - Upper Attawapiskat
- 04FC - Lower Attawapiskat
- 04G - Upper Albany
- 04GA - Upper Albany - Cat
- 04GB - Upper Ogoki
- 04GC - Upper Albany - Misehkow
- 04GD - Upper Albany - Makokibatan Lake
- 04GE - Lower Ogoki
- 04GF - Upper Albany - Muswabik
- 04H - Lower Albany, coast
- 04HA - Albany - Mouth
- 04HB - Kinosheo
- 04HC - Upper Kapiskau
- 04HD - Lower Kapiskau
- 04J - Kenogami
- 04JA - Upper Kabinakagami
- 04JB - Lower Kabinakagami
- 04JC - Nagagami
- 04JD - Upper Kenogami
- 04JE - Drowning
- 04JF - Little Current
- 04JG - Lower Kenogami
- 04K - Moose, Ontario
- 04KA - Upper Moose
- 04KB - Lower Moose
- 04L - Missinaibi and Mattagami
- 04LA - Upper Mattagami
- 04LB - Central Mattagami
- 04LC - Upper Groundhog
- 04LD - Lower Groundhog
- 04LE - Upper Kapuskasing
- 04LF - Lower Kapuskasing
- 04LG - Lower Mattagami
- 04LH - Upper Missinaibi
- 04LJ - Central Missinaibi - Mattawitchewan
- 04LK - Central Missinaibi - Mattawishkwia
- 04LL - Opasatika
- 04M - Abitibi
- 04LM - Lower Missinaibi
- 04MA - Upper Abitibi
- 04MB - Black
- 04MC - Central Abitibi
- 04MD - Frederick House
- 04ME - Lower Abitibi
- 04N - Harricanaw, coast
- 04NA - Upper Harricanaw
- 04NB - Turgeon
- 04NC - Lower Harricanaw
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