Cornwall Marina Co-op : St. Lawrence River

Ontario, Canada

Observed by
Jonathan Ramundi

Observation report

See trends at this location

Water quality tests

✓ Quality checked by Water Rangers What's this?

pH (0-14) What's this? 7.2
Dissolved oxygen mg/L What's this? 7.0
Secchi depth m What's this? bottom visible
Chlorine ppm What's this? 0.0
Hardness mg/L What's this? 100.0
Alkalinity mg/L What's this? 120.0
Water depth m What's this? 0.75
Conductivity μS/cm What's this? 286.0
Air temperature °C What's this? 18.0
Water temperature °C What's this? 12.5

Weather

Current weather What's this?
Rain and wind started mid-way through testing.
Weather in previous 24 hours What's this?

Latest photos

No photos uploaded.