Water Chemistry
Sampling methods:
 Provincial Water Quality Monitoring Network (PWQMN)
RVCA Baseline
Watershed Watch
Provincial Water Quality Monitoring Network (PWQMN):
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a “grab” sample at approximately 30 centimetres depth taken standing in the water where possible, from the bank using an extension pole or from a bridge using a sampling cylinder on a rope |
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lab analysis at the Ministry of Environment lab in Etobicoke |
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field measurements of pH, dissolved oxygen, conductivity and temperature |
RVCA Baseline:
Watershed Watch:
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grab samples taken at a half metre depth in about one metre of water near the lake shore; composite sample at the deep point of the lake in the “euphotic” zone (surface zone of light penetration); alpha bottle sample one metre above the lake bottom at the deep point |
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lab analysis at City of Ottawa lab at the Robert O. Pickard Environmental Centre |
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field measurements of pH, conductivity, deep point surface and bottom water temperature; dissolved oxygen/temperature profiles at deep point |
Enter WIS here to learn more about the Rideau's water quality information.
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