St Lawrence River
Ontario, Canada
Location created by
Emilie DeRochie
- Group: River Rapport & Education : River Institute
- Lat: 45.0141026
- Lng: -74.8783493
- Waterbody Type: Unknown
- Timezone: America/Toronto
Latest photos
No photos uploaded.
Observation tests summary
Air temperature
°C
25.9
Latest
25.0
Average
Water temperature
°C
24.9
Latest
24.3
Average
Alkalinity
mg/L
180
Latest
130
Average
Hardness
mg/L
200
Latest
150
Average
Dissolved oxygen
mg/L
4.0
Latest
6.0
Average
Conductivity
μS/cm
287
Latest
274
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
1.4
Latest
2.6
Average
pH (0-14)
8.4
Latest
8.1
Average
Chlorine
ppm
0.0
Latest
0.0
Average