St. Lawrence River
Ontario, Canada
near entrance
Location created by
Jaden Kay
- Lat: 45.0166284
- Lng: -74.7063865
- Waterbody Type: River
- Timezone: UTC
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
9.0
Latest
9.0
Average
Water temperature
°C
14.4
Latest
14.4
Average
Alkalinity
mg/L
90
Latest
90
Average
Hardness
mg/L
50
Latest
50
Average
Dissolved oxygen
mg/L
9.0
Latest
9.0
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
298
Latest
298
Average
Water depth
m
0.3
Latest
0.3
Average
pH (0-14)
7.6
Latest
7.6
Average