Water discharge in mineral extraction industries,
by type of final treatment, industry group and region, 2011
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|Water not treated before discharge||Primary or mechanical||Secondary or biological||Tertiary or advanced|
|millions of cubic metres|
|Coal mines||23.3 A||13.7 A||0.1 A||0.0|
|Metal mines||106.5 B||194.0 B||x||x|
|Non-metal mines 1||128.0 E||72.3 B||x||x|
|Total||257.8 D||279.9 A||x||x|
|Atlantic 2||74.4 C||x||x||19.1 A|
|Quebec||x||80.7 A||0.1 C||x|
|Prairies 3||42.7 B||x||0.0 A||x|
|British Columbia and territories 4||37.9 A||57.2 D||x||x|
|Canada||257.8 D||279.9 A||x||x|