St.Lawrence river
Cornwall, Ontario, Canada
Museum inlet
Location created by
Sareena McDonald
- Lat: 45.0130476
- Lng: -74.7295078
- Waterbody Type: River
- Timezone: UTC
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
27.0
Latest
28.3
Average
Water temperature
°C
25.0
Latest
25.1
Average
Alkalinity
mg/L
80
Latest
105
Average
Hardness
mg/L
100
Latest
150
Average
Dissolved oxygen
mg/L
8.0
Latest
7.4
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
31
Latest
238
Average
Secchi depth
m
0.0
Latest
0.0
Average
pH (0-14)
8.4
Latest
8.3
Average