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

Observed by
Cole Chadrou
- Observed on: Wed, 01 Oct 2025 19:02:19 +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?
10.0
Chlorine ppm
What's this?
0.0
Hardness mg/L
What's this?
120.0
Alkalinity mg/L
What's this?
70.0
Water depth m
What's this?
0.1
Conductivity μS/cm
What's this?
302.0
Air temperature °C
What's this?
27.0
Water temperature °C
What's this?
17.1
Wildlife
Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
Notes
Slight fish smell, cool breeze and signs of wildlife in the trees and surrounding brush