St. Lawrence River
Ontario, Canada
Location created by
Duncan Campbell Campbell
- Group: River Rapport & Education : River Institute
- Site ID: LSL-13
- Lat: 44.8969159
- Lng: -75.1736069
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
No photos uploaded.
Observation tests summary
Air temperature
°C
21.4
Latest
21.4
Average
Water temperature
°C
23.1
Latest
23.1
Average
Alkalinity
mg/L
80
Latest
80
Average
Hardness
mg/L
120
Latest
120
Average
Dissolved oxygen
mg/L
8.0
Latest
8.0
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
304
Latest
304
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
4.0
Latest
4.0
Average
pH (0-14)
7.5
Latest
7.5
Average