St Lawrence River
Ontario, Canada
Location created by
Emilie DeRochie
- Group: River Rapport & Education : River Institute
- Lat: 45.1261949
- Lng: -74.4918108
- Waterbody Type: Unknown
- Timezone: America/Toronto
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
10.1
Latest
22.5
Average
Water temperature
°C
3.6
Latest
19.6
Average
Alkalinity
mg/L
120
Latest
125
Average
Hardness
mg/L
150
Latest
136
Average
Conductivity
μS/cm
736
Latest
451
Average
Secchi depth
m
1.5
Latest
1.0
Average
pH (0-14)
6.8
Latest
7.7
Average
Dissolved oxygen
mg/L
9.0
Latest
7.3
Average
Water depth
m
3.5
Latest
2.8
Average
Chlorine
ppm
0.0
Latest
0.0
Average