Drainage Regions - Variant of SDAC 2003
- 5 - Atlantic Ocean
- 524 - Maritime Coastal
- 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
- 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
- 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
- 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
- 01FA - Inhabitants
- 01FB - Margaree
- 01FC - Chéticamp
- 01FD - Wreck Cove
- 01FE - Indian
- 01FF - Baddeck
- 01FG - Denys
- 01FH - Grand
- 01FJ - Mira
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