Water
River Water Quality
Charts

Chart Type	Theme Hold Ctrl to Select Multiple	Start Year	End Year

References and Related Online Materials

Oldman River Upstream of Lethbridge:	Government of Alberta Environment. (2008). River Water Quality Index Results for 2007-2008. Last updated June 30, 2008. http://environment.alberta.ca/01276.html (accessed July 9, 2010). Notes: --> Water quality is measured on a 1-100 scale, with 100 being the highest possible quality. Alberta Environment considers numbers from 96-100 as "excellent," 81-95 as "good," 66-80 as "fair," 46-65 as "marginal," and 0-45 as "poor." --> Original data is from mid-year to mid-year (eg: 2005-2006). In this table, data from 2005-2006 is listed as 2005, data from 2006-2007 is listed as 2006, etc. --> For a full description of methodologies used in this ranking system, please see http://www.environment.alberta.ca/01275.html.
Oldman River Downstream of Lethbridge:	See reference for "Oldman River Upstream of Lethbridge."
Bow River Upstream of Calgary:	See reference for "Oldman River Upstream of Lethbridge."
Bow River Downstream of Calgary:	See reference for "Oldman River Upstream of Lethbridge."
Red Deer River Upstream of Red Deer:	See reference for "Oldman River Upstream of Lethbridge."
Red Deer River Downstream of Red Deer:	See reference for "Oldman River Upstream of Lethbridge."
North Saskatchewan River Upstream of Edmonton:	See reference for "Oldman River Upstream of Lethbridge."
North Saskatchewan River Downstream of Edmonton:	See reference for "Oldman River Upstream of Lethbridge."
Smokey or Peace Rivers at Watino:	See reference for "Oldman River Upstream of Lethbridge."
Smokey or Peace Rivers at Ft. Vermilion:	See reference for "Oldman River Upstream of Lethbridge."
Athabasca River at Athabasca:	See reference for "Oldman River Upstream of Lethbridge."
Athabasca River at Old Fort:	See reference for "Oldman River Upstream of Lethbridge."

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