St Lawrence River
Cornwall, Ontario, Canada
On the point, rocky bottom, clear water, on the St. Lawrence College.
Location created by
James Hardiment
- Lat: 45.0162556
- Lng: -74.6993173
- Waterbody Type: River
- Timezone: UTC
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
26.0
Latest
26.0
Average
Water temperature
°C
25.0
Latest
25.0
Average
Alkalinity
mg/L
120
Latest
120
Average
Hardness
mg/L
100
Latest
100
Average
Dissolved oxygen
mg/L
10.0
Latest
10.0
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
303
Latest
303
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.0
Latest
0.0
Average
pH (0-14)
7.8
Latest
7.8
Average