Cooper's Marsh : St. Lawrence River

Ontario, Canada

Observed by
River Institute
pH (0-14) What's this? 7.2
Dissolved oxygen mg/L What's this? 4.0
Hardness mg/L What's this? 100.0
Alkalinity mg/L What's this? 180.0
Conductivity μS/cm What's this? 187.0
Air temperature °C What's this? 25.0
Water temperature °C What's this? 36.6

Weather

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

Latest photos

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