St. Lawrence River
Ontario, Canada
Active marina, very deep - cannot see the bottom.
Moving water, lots of rocks.
Location created by
Emma Ehrenfeld
- Group: River Rapport & Education : River Institute
- Lat: 44.585791
- Lng: -75.6829262
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
20.0
Latest
20.0
Average
Water temperature
°C
22.1
Latest
22.1
Average
Alkalinity
mg/L
120
Latest
120
Average
Hardness
mg/L
100
Latest
100
Average
Dissolved oxygen
mg/L
5.5
Latest
5.5
Average
Conductivity
μS/cm
299
Latest
299
Average
Secchi depth
m
4.0
Latest
4.0
Average
Water depth
m
4.8
Latest
4.8
Average
pH (0-14)
7.2
Latest
7.2
Average