St. Lawrence River
Cornwall, Ontario, Canada
Sample taken off the shore of the Gazebo near the pumping station.
Location created by
James Hardiment
- Group: River Institute : Upper St. Lawrence River Volunteer Monitoring
- Lat: 45.028205
- Lng: -74.6731546
- Waterbody Type: River
- Timezone: EST
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
30.0
Latest
30.0
Average
Water temperature
°C
25.6
Latest
25.6
Average
Alkalinity
mg/L
40
Latest
40
Average
Hardness
mg/L
150
Latest
150
Average
Dissolved oxygen
mg/L
7.0
Latest
7.0
Average
Chlorine
ppm
0.3
Latest
0.3
Average
Conductivity
μS/cm
307
Latest
307
Average
Secchi depth
m
0.4
Latest
0.4
Average
Water depth
m
0.4
Latest
0.4
Average
pH (0-14)
8.1
Latest
8.1
Average