Standard Drainage Area Classification (SDAC) 2003
- 01 - Maritime Provinces
- 01A - Saint John and Southern Bay of Fundy, New Brunswick
- 01AA - Headwaters Saint John
- 01AB - Upper Saint John - Big Black
- 01AD - Upper Saint John - St. Francis
- 01AF - Upper Saint John - Verte
- 01AG - Aroostook
- 01AH - Tobique
- 01AJ - Central Saint John - Becaguimec
- 01AK - Central Saint John - Keswick
- 01AL - Nashwaak
- 01AM - Oromocto
- 01AN - Salmon, New Brunswick
- 01AO - Lower Saint John - Grand Lake
- 01AP - Lower Saint John - Kennebecasis
- 01AQ - Magaguadavic
- 01AR - St. Croix
- 01B - Gulf of St. Lawrence and Northern Bay of Fundy, New Brunswick
- 01BA - Upper Restigouche
- 01BB - Kedgwick
- 01BC - Central Restigouche
- 01BD - Matapédia
- 01BE - Upsalquitch
- 01BF - Lower Restigouche - Nouvelle
- 01BG - Chaleur Bay - Northwestern
- 01BH - Chaleur Bay - Gulf of St. Lawrence
- 01BJ - Chaleur Bay - Southwestern
- 01BK - Nepisiguit
- 01BL - Acadian Peninsula
- 01BM - Southwest Miramichi - Upper
- 01BN - Southwest Miramichi - Central
- 01BO - Miramichi - Mouth
- 01BP - Little Southwest Miramichi
- 01BQ - Northwest Miramichi
- 01BR - Kouchibouguac
- 01BS - Richibucto
- 01BT - Kinnear
- 01BU - Petitcodiac
- 01BV - Point Wolfe
- 01C - Prince Edward Island
- 01CA - Western Prince Edward Island
- 01CB - Central Prince Edward Island - Wilmot
- 01CC - Central Prince Edward Island - Hillsborough
- 01CD - Northeastern Prince Edward Island
- 01CE - Southeastern Prince Edward Island
- 01D - Bay of Fundy and Gulf of St. Lawrence, Nova Scotia
- 01DA - Meteghan
- 01DB - Sissiboo
- 01DC - Annapolis
- 01DD - Gaspereau
- 01DE - Avon
- 01DF - Kennetcook
- 01DG - Shubenacadie
- 01DH - Salmon, Nova Scotia
- 01DJ - Economy
- 01DK - Minas Channel - Parrsboro
- 01DL - Maccan
- 01DM - Tidnish
- 01DN - Philip
- 01DO - John
- 01DP - East and West River of Pictou
- 01DQ - French, Nova Scotia
- 01DR - South and West Antigonish
- 01DS - Tracadie
- 01E - Southeastern Atlantic Ocean, Nova Scotia
- 01EA - Tusket
- 01EB - Clyde
- 01EC - Roseway
- 01ED - Mersey
- 01EE - Medway
- 01EF - LaHave
- 01EG - Gold
- 01EH - St. Margarets Bay
- 01EJ - Sackville
- 01EK - Musquodoboit
- 01EL - Tangier
- 01EM - East and West River Sheet Harbour
- 01EN - Liscomb
- 01EO - St. Marys
- 01EP - Country Harbour
- 01EQ - New Harbour
- 01ER - St. Francis Harbour
- 01F - Cape Breton Island
- 01FA - Inhabitants
- 01FB - Margaree
- 01FC - Chéticamp
- 01FD - Wreck Cove
- 01FE - Indian
- 01FF - Baddeck
- 01FG - Denys
- 01FH - Grand
- 01FJ - Mira
- 01 - Maritime Provinces
- 01A - Saint John and Southern Bay of Fundy, New Brunswick
- 01AA - Headwaters Saint John
- 01AB - Upper Saint John - Big Black
- 01AD - Upper Saint John - St. Francis
- 01AF - Upper Saint John - Verte
- 01AG - Aroostook
- 01AH - Tobique
- 01AJ - Central Saint John - Becaguimec
- 01AK - Central Saint John - Keswick
- 01AL - Nashwaak
- 01AM - Oromocto
- 01AN - Salmon, New Brunswick
- 01AO - Lower Saint John - Grand Lake
- 01AP - Lower Saint John - Kennebecasis
- 01AQ - Magaguadavic
- 01AR - St. Croix
- 01B - Gulf of St. Lawrence and Northern Bay of Fundy, New Brunswick
- 01BA - Upper Restigouche
- 01BB - Kedgwick
- 01BC - Central Restigouche
- 01BD - Matapédia
- 01BE - Upsalquitch
- 01BF - Lower Restigouche - Nouvelle
- 01BG - Chaleur Bay - Northwestern
- 01BH - Chaleur Bay - Gulf of St. Lawrence
- 01BJ - Chaleur Bay - Southwestern
- 01BK - Nepisiguit
- 01BL - Acadian Peninsula
- 01BM - Southwest Miramichi - Upper
- 01BN - Southwest Miramichi - Central
- 01BO - Miramichi - Mouth
- 01BP - Little Southwest Miramichi
- 01BQ - Northwest Miramichi
- 01BR - Kouchibouguac
- 01BS - Richibucto
- 01BT - Kinnear
- 01BU - Petitcodiac
- 01BV - Point Wolfe
- 01C - Prince Edward Island
- 01CA - Western Prince Edward Island
- 01CB - Central Prince Edward Island - Wilmot
- 01CC - Central Prince Edward Island - Hillsborough
- 01CD - Northeastern Prince Edward Island
- 01CE - Southeastern Prince Edward Island
- 01D - Bay of Fundy and Gulf of St. Lawrence, Nova Scotia
- 01DA - Meteghan
- 01DB - Sissiboo
- 01DC - Annapolis
- 01DD - Gaspereau
- 01DE - Avon
- 01DF - Kennetcook
- 01DG - Shubenacadie
- 01DH - Salmon, Nova Scotia
- 01DJ - Economy
- 01DK - Minas Channel - Parrsboro
- 01DL - Maccan
- 01DM - Tidnish
- 01DN - Philip
- 01DO - John
- 01DP - East and West River of Pictou
- 01DQ - French, Nova Scotia
- 01DR - South and West Antigonish
- 01DS - Tracadie
- 01E - Southeastern Atlantic Ocean, Nova Scotia
- 01EA - Tusket
- 01EB - Clyde
- 01EC - Roseway
- 01ED - Mersey
- 01EE - Medway
- 01EF - LaHave
- 01EG - Gold
- 01EH - St. Margarets Bay
- 01EJ - Sackville
- 01EK - Musquodoboit
- 01EL - Tangier
- 01EM - East and West River Sheet Harbour
- 01EN - Liscomb
- 01EO - St. Marys
- 01EP - Country Harbour
- 01EQ - New Harbour
- 01ER - St. Francis Harbour
- 01F - Cape Breton Island
- 01FA - Inhabitants
- 01FB - Margaree
- 01FC - Chéticamp
- 01FD - Wreck Cove
- 01FE - Indian
- 01FF - Baddeck
- 01FG - Denys
- 01FH - Grand
- 01FJ - Mira
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