| Unit | 2007 | 2008 | 2009 | 2010 | 2011 | |
|---|---|---|---|---|---|---|
| Imported from Athabasca River | million m3 | 36.0 | 41.2 | 37.5 | 34.1 | 38.5 |
| Imported from Athabasca River | m3/m3 production | 2.03 | 2.45 | 2.31 | 1.97 | 2.28 |
| Water returned to the Athabasca River - treated sanitary |
thousand m3 | 261 | 233 | 270 | 320 | 321 |
| Water returned to the Athabasca River - other (Aurora diversion) |
thousands m3 | 1.9 | 2.5 | 4.9 | 10.5 | 7.9 |
| Process water recycled | millions m3 | 256 | 268 | 258 | 278 | 270 |
| Process water recycled | % of total water used | 88 | 87 | 87 | 89 | 88 |
| Water discharge quality exceedances (treated sanitary) |
# of incidents | 1 | 0 | 0 | 0 | 0 |
| Water discharge quality exceedances (industrial process) |
# of incidents | 0 | 0 | 0 | 0 | 0 |
| Reportable spills to natural water bodies |
m3 | 0 | 0 | 0 | 0 | 0 |
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