Cornwall Marina Co-op : St. Lawrence River

Ontario, Canada

Observed by
Elizabeth Cloutier

Observation report

See trends at this location

Water quality tests

Pending Quality Check from Water Rangers What's this?

pH (0-14) What's this? 7.5
Dissolved oxygen mg/L What's this? 10.0
Secchi depth m What's this? bottom visible
Hardness mg/L What's this? 100.0
Alkalinity mg/L What's this? 80.0
Conductivity μS/cm What's this? 310.0
Air temperature °C What's this? 26.0
Water temperature °C What's this? 23.0

Weather

Current weather What's this?
Weather in previous 24 hours What's this?

Latest photos

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