St Lawrence River
Ontario, Canada
Location created by
Emilie DeRochie
- Group: River Rapport & Education : River Institute
- Lat: 44.6320848
- Lng: -75.6141758
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
25.0
Latest
26.5
Average
Water temperature
°C
24.6
Latest
23.9
Average
Alkalinity
mg/L
80
Latest
120
Average
Hardness
mg/L
0
Latest
75
Average
Dissolved oxygen
mg/L
8.0
Latest
9.0
Average
Conductivity
μS/cm
306
Latest
293
Average
Secchi depth
m
0.0
Latest
0.0
Average
pH (0-14)
7.8
Latest
8.0
Average
Water depth
m
1.0
Latest
1.0
Average