St Lawrence River
Ontario, Canada
Location created by
Emilie DeRochie
- Group: River Rapport & Education : River Institute
- Lat: 45.0271384
- Lng: -74.6769905
- Waterbody Type: Unknown
- Timezone: America/Toronto
Latest photos
View all photosObservation tests summary
Air temperature
°C
23.0
Latest
21.3
Average
Water temperature
°C
16.7
Latest
19.9
Average
Alkalinity
mg/L
70
Latest
130
Average
Hardness
mg/L
100
Latest
117
Average
Dissolved oxygen
mg/L
7.0
Latest
7.0
Average
Conductivity
μS/cm
711
Latest
434
Average
pH (0-14)
7.8
Latest
7.5
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Secchi depth
m
0.0
Latest
3.0
Average
Water depth
m
0.2
Latest
4.5
Average