Table 12-2
Water discharge in manufacturing industries, by type of final treatment, 2007 — Drainage regions

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Drainage regions
  Water not treated before discharge Primary or mechanical Secondary or biological Tertiary or advanced
  millions of cubic metres
Canada 1,357.0 A 680.9 B 1,804.4 A 279.3 A
Pacific Coastal 32.6 A x 294.4 C x
Fraser - Lower Mainland 20.5 C 13.8 D 149.2 C 0.5 C
Okanagan - Similkameen 1.9 E F 0.0 E x
Columbia 143.5 D x x x
Yukon x x 0.0 0.0
Peace - Athabasca x x 144.5 C F
Lower Mackenzie x 0.0 0.0 0.0
Arctic Coast - Islands x 0.0 0.0 0.0
Missouri x 0.0 0.0 0.0
North Saskatchewan 44.6 E 9.5 C x x
South Saskatchewan 14.7 E 6.1 E 14.6 E 4.8 D
Assiniboine - Red F 8.9 B x 2.4 C
Winnipeg x x x 0.0
Lower Saskatchewan - Nelson F x x 0.0
Churchill 0.1 E x x 0.0
Keewatin - Southern Baffin Island 0.0 0.0 0.0 0.0
Northern Ontario x F x F
Northern Quebec x x x 0.0
Great Lakes 1 834.0 B 525.9 B 665.6 B 261.1 A
Ottawa 1 .. .. .. ..
St. Lawrence 1 .. .. .. ..
North Shore - Gaspé 29.3 D x 95.8 B x
Saint John - St. Croix 34.2 A x 71.3 A x
Maritime Coastal x 82.6 A 99.2 B x
Newfoundland - Labrador 38.8 D x x x
  percent
Percentage of total water discharge 32.9 16.5 43.8 6.8
1.
As of 2007, data for the Great Lakes drainage region, the Ottawa drainage region and the St. Lawrence drainage region are combined under the Great Lakes drainage region.
Note(s):
Figures may not add up to totals due to rounding.
Source(s):
Statistics Canada, CANSIM tables 153-0070, 153-0072 and 153-0073.
Date modified: