pH (0-14)
What's this?
8.4
School Dock : St Lawrence River
Cornwall, Ontario, Canada

Observed by
Cole Chadrou
- Observed on: Wed, 08 Oct 2025 21:11:08 +0000
- Lat: 45.0163789
- Lng: -74.6993787
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Dissolved oxygen mg/L
What's this?
11.0
Chlorine ppm
What's this?
0.0
Hardness mg/L
What's this?
130.0
Alkalinity mg/L
What's this?
65.0
Water depth m
What's this?
0.1
Conductivity μS/cm
What's this?
297.0
Air temperature °C
What's this?
26.0
Water temperature °C
What's this?
16.3
Wildlife
Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
Notes
Slightly cloudy day, Bird landed and ate a goby in front of me. Fresh air smell