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Oxygen saturation:

Oxygen levels generally exceed the minimum acceptable level of 4mg/l.  Levels of 4 or less trigger action- release of water from Rosslynne Reservoir. Measurements have been separated into sites upstream or downstream from Sunbury.                                                        
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2014 results:

2013 results:
2012 results: Note that oxygen is markedly less soluble at water higher temperatures, so levels are often measured as percentage saturation at the given temperature at time of measurement. The desirable oxygen level at these sites is considered to be 85-110% saturation.  Observations on Kismet and Blind Creeks, tributaries of Jacksons Creek in Sunbury, have been added.