St. Lawrence River
Quebec, Canada
Location created by
Mohawk Council of Akwesasne (MCA)
- Group: River Rapport & Education : River Institute
- Lat: 45.0661201
- Lng: -74.5057583
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
25.0
Latest
21.0
Average
Water temperature
°C
23.9
Latest
21.3
Average
Alkalinity
mg/L
80
Latest
100
Average
Hardness
mg/L
100
Latest
125
Average
Dissolved oxygen
mg/L
7.0
Latest
7.5
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
276
Latest
284
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.3
Latest
0.6
Average
pH (0-14)
8.0
Latest
7.6
Average