Cornwall Marina Co-op : St. Lawrence River

Ontario, Canada

Observed by
Elizabeth Cloutier
pH (0-14) What's this? 7.2
Dissolved oxygen mg/L What's this? 9.0
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? 329.0
Air temperature °C What's this? 14.0
Water temperature °C What's this? 11.0

Weather

Current weather What's this?
  • cloudy
  • windy
Weather in previous 24 hours What's this?
  • cloudy
  • rainy
  • windy

Latest photos

No photos uploaded.