St. Lawrence River
Ontario, Canada
Location created by
Harleen kaur
- Lat: 45.0166441
- Lng: -74.6997142
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
No photos uploaded.
Observation tests summary
Air temperature
°C
4.0
Latest
4.0
Average
Water temperature
°C
6.0
Latest
6.0
Average
Alkalinity
mg/L
80
Latest
80
Average
Hardness
mg/L
100
Latest
100
Average
Dissolved oxygen
mg/L
12.0
Latest
12.0
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
374
Latest
374
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.5
Latest
0.5
Average
pH (0-14)
6.4
Latest
6.4
Average