St Lawrence River
Ontario, Canada
Location created by
Emilie DeRochie
- Group: River Rapport & Education : River Institute
- Lat: 44.9901691
- Lng: -74.9557686
- Waterbody Type: Unknown
- Timezone: America/Toronto
Latest photos
View all photosObservations summary
Observation tests summary
Air temperature
°C
26.2
Latest
27.1
Average
Water temperature
°C
24.3
Latest
25.1
Average
Alkalinity
mg/L
120
Latest
133
Average
Hardness
mg/L
100
Latest
117
Average
Dissolved oxygen
mg/L
9.0
Latest
10.0
Average
Conductivity
μS/cm
296
Latest
279
Average
Secchi depth
m
2.2
Latest
0.7
Average
Water depth
m
0.9
Latest
1.2
Average
pH (0-14)
8.4
Latest
8.4
Average
Chlorine
ppm
0.0
Latest
0.0
Average