Cornwall Marina Co-op : St. Lawrence River

Ontario, Canada

Observed by
Elizabeth Cloutier

Observation report

See trends at this location

Water quality tests

✓ Quality checked by Water Rangers What's this?

pH (0-14) What's this? 7.5
Dissolved oxygen mg/L What's this? 9.0
Secchi depth m What's this? bottom visible
Hardness mg/L What's this? 200.0
Alkalinity mg/L What's this? 80.0
Conductivity μS/cm What's this? 321.0
Air temperature °C What's this? 19.0
Water temperature °C What's this? 17.0

Weather

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

Latest photos

No photos uploaded.