St Lawrence river
Ontario, Canada
River
Location created by
Grayson Lapensee
- Lat: 45.0351209
- Lng: -74.6437419
- Waterbody Type: River
- Timezone: UTC
Latest photos
No photos uploaded.
Observations summary
Observation tests summary
Air temperature
°C
26.0
Latest
22.3
Average
Water temperature
°C
18.0
Latest
20.8
Average
Alkalinity
mg/L
80
Latest
86
Average
Hardness
mg/L
150
Latest
65
Average
Dissolved oxygen
mg/L
10.0
Latest
9.2
Average
Conductivity
μS/cm
303
Latest
312
Average
Water depth
m
1.0
Latest
0.4
Average
pH (0-14)
7.2
Latest
7.4
Average
Chlorine
ppm
0.0
Latest
0.2
Average
Secchi depth
m
0.0
Latest
0.0
Average