Standard Drainage Area Classification (SDAC) 2003
- 06 - Western and Northern Hudson Bay
- 06A - Beaver, Alberta and Saskatchewan
- 06AA - Headwaters Beaver, Alberta and Saskatchewan
- 06AB - Sand
- 06AC - Upper Beaver, Alberta and Saskatchewan
- 06AD - Central Beaver, Alberta and Saskatchewan
- 06AE - Cowan
- 06AF - Waterhen, Saskatchewan
- 06AG - Lower Beaver, Alberta and Saskatchewan
- 06B - Upper Churchill, Manitoba
- 06BA - Churchill Lake
- 06BB - Upper Churchill, Manitoba - Lac Île-à-la-Crosse
- 06BC - Mudjatik
- 06BD - Haultain
- 06C - Central Churchill, upper, Manitoba
- 06CA - Montreal, Saskatchewan
- 06CB - Rapid
- 06CC - Smoothstone
- 06CD - Central Churchill, Manitoba - Pinehouse Lake
- 06CE - Foster
- 06D - Reindeer
- 06DA - Cochrane
- 06DB - Upper Reindeer - Reindeer Lake
- 06DC - Wathaman
- 06DD - Lower Reindeer - Mouth
- 06E - Central Churchill, lower, Manitoba
- 06EA - Central Churchill, Manitoba - Highrock Lake
- 06EB - Central Churchill, Manitoba - Hughes
- 06EC - Southern Indian Lake
- 06F - Lower Churchill, Manitoba
- 06FA - Northern Indian Lake
- 06FB - Lower Churchill, Manitoba - Little Beaver
- 06FC - Little Churchill
- 06FD - Lower Churchill, Manitoba - Mouth
- 06FE - Hudson Bay - Owl
- 06G - Seal, coast
- 06GA - South Seal
- 06GB - North Seal
- 06GC - North and South Knife
- 06GD - Seal
- 06GE - Caribou
- 06H - Western Hudson Bay, Southern
- 06HA - Upper Thlewiaza - Nueltin Lake
- 06HB - Lower Thlewiaza - Mouth
- 06HC - Geillini
- 06HD - Upper Tha-anne - Kognak
- 06HE - Lower Tha-anne
- 06J - Thelon
- 06JA - Upper Thelon - Lynx Lake
- 06JB - Central Thelon - Hanbury
- 06JC - Central Thelon - Beverly Lake
- 06JD - Lower Thelon - Mouth
- 06K - Dubawnt
- 06KA - Upper Dubawnt
- 06KB - Central Dubawnt
- 06KC - Lower Dubawnt
- 06L - Kazan
- 06LA - Upper Kazan - Ennadai Lake
- 06LB - Central Kazan
- 06LC - Lower Kazan
- 06M - Chesterfield Inlet
- 06MA - Baker Lake
- 06MB - Quoich
- 06MC - Chesterfield Inlet - Mouth
- 06N - Western Hudson Bay, central
- 06NA - Western Hudson Bay - Maguse
- 06NB - Western Hudson Bay - Ferguson
- 06NC - Western Hudson Bay - Wilson
- 06O - Western Hudson Bay, northern
- 06OA - Western Hudson Bay - Lorillard
- 06OB - Western Hudson Bay - Wager Bay
- 06P - Hudson Bay, Southampton Island
- 06PA - Southern Southampton Island
- 06Q - Foxe Basin, Southampton Island
- 06QA - Northern Southampton Island
- 06R - Foxe Basin, Melville Peninsula
- 06RA - Repulse Bay
- 06RB - Foxe Basin - Barrow
- 06RC - Foxe Basin - Kingora
- 06S - Foxe Basin, Baffin Island
- 06SA - Foxe Basin - Baffin - Gifford
- 06SB - Foxe Basin - Baffin - MacDonald
- 06SC - Foxe Basin - Baffin - Prince Charles Island
- 06SD - Foxe Basin - Baffin - Koukdjuak
- 06SE - Foxe Basin - Baffin - Aukpar
- 06T - Hudson Strait, Baffin and Southampton Islands
- 06TA - Baffin Island - Hudson Strait
- 06TB - Eastern Southampton Island
- 07A - Upper Athabasca
- 07AA - Headwaters Athabasca
- 07AB - Snake Indian
- 07AC - Berland
- 07AD - Upper Athabasca - Oldman
- 07AE - Upper Athabasca - Windfall
- 07AF - Upper McLeod
- 07AG - Lower McLeod
- 07AH - Upper Athabasca - Freeman
- 06 - Western and Northern Hudson Bay
- 06A - Beaver, Alberta and Saskatchewan
- 06AA - Headwaters Beaver, Alberta and Saskatchewan
- 06AB - Sand
- 06AC - Upper Beaver, Alberta and Saskatchewan
- 06AD - Central Beaver, Alberta and Saskatchewan
- 06AE - Cowan
- 06AF - Waterhen, Saskatchewan
- 06AG - Lower Beaver, Alberta and Saskatchewan
- 06B - Upper Churchill, Manitoba
- 06BA - Churchill Lake
- 06BB - Upper Churchill, Manitoba - Lac Île-à-la-Crosse
- 06BC - Mudjatik
- 06BD - Haultain
- 06C - Central Churchill, upper, Manitoba
- 06CA - Montreal, Saskatchewan
- 06CB - Rapid
- 06CC - Smoothstone
- 06CD - Central Churchill, Manitoba - Pinehouse Lake
- 06CE - Foster
- 06D - Reindeer
- 06DA - Cochrane
- 06DB - Upper Reindeer - Reindeer Lake
- 06DC - Wathaman
- 06DD - Lower Reindeer - Mouth
- 06E - Central Churchill, lower, Manitoba
- 06EA - Central Churchill, Manitoba - Highrock Lake
- 06EB - Central Churchill, Manitoba - Hughes
- 06EC - Southern Indian Lake
- 06F - Lower Churchill, Manitoba
- 06FA - Northern Indian Lake
- 06FB - Lower Churchill, Manitoba - Little Beaver
- 06FC - Little Churchill
- 06FD - Lower Churchill, Manitoba - Mouth
- 06FE - Hudson Bay - Owl
- 06G - Seal, coast
- 06GA - South Seal
- 06GB - North Seal
- 06GC - North and South Knife
- 06GD - Seal
- 06GE - Caribou
- 06H - Western Hudson Bay, Southern
- 06HA - Upper Thlewiaza - Nueltin Lake
- 06HB - Lower Thlewiaza - Mouth
- 06HC - Geillini
- 06HD - Upper Tha-anne - Kognak
- 06HE - Lower Tha-anne
- 06J - Thelon
- 06JA - Upper Thelon - Lynx Lake
- 06JB - Central Thelon - Hanbury
- 06JC - Central Thelon - Beverly Lake
- 06JD - Lower Thelon - Mouth
- 06K - Dubawnt
- 06KA - Upper Dubawnt
- 06KB - Central Dubawnt
- 06KC - Lower Dubawnt
- 06L - Kazan
- 06LA - Upper Kazan - Ennadai Lake
- 06LB - Central Kazan
- 06LC - Lower Kazan
- 06M - Chesterfield Inlet
- 06MA - Baker Lake
- 06MB - Quoich
- 06MC - Chesterfield Inlet - Mouth
- 06N - Western Hudson Bay, central
- 06NA - Western Hudson Bay - Maguse
- 06NB - Western Hudson Bay - Ferguson
- 06NC - Western Hudson Bay - Wilson
- 06O - Western Hudson Bay, northern
- 06OA - Western Hudson Bay - Lorillard
- 06OB - Western Hudson Bay - Wager Bay
- 06P - Hudson Bay, Southampton Island
- 06PA - Southern Southampton Island
- 06Q - Foxe Basin, Southampton Island
- 06QA - Northern Southampton Island
- 06R - Foxe Basin, Melville Peninsula
- 06RA - Repulse Bay
- 06RB - Foxe Basin - Barrow
- 06RC - Foxe Basin - Kingora
- 06S - Foxe Basin, Baffin Island
- 06SA - Foxe Basin - Baffin - Gifford
- 06SB - Foxe Basin - Baffin - MacDonald
- 06SC - Foxe Basin - Baffin - Prince Charles Island
- 06SD - Foxe Basin - Baffin - Koukdjuak
- 06SE - Foxe Basin - Baffin - Aukpar
- 06T - Hudson Strait, Baffin and Southampton Islands
- 06TA - Baffin Island - Hudson Strait
- 06TB - Eastern Southampton Island
- 07A - Upper Athabasca
- 07AA - Headwaters Athabasca
- 07AB - Snake Indian
- 07AC - Berland
- 07AD - Upper Athabasca - Oldman
- 07AE - Upper Athabasca - Windfall
- 07AF - Upper McLeod
- 07AG - Lower McLeod
- 07AH - Upper Athabasca - Freeman
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