St. Lawrence River
Ontario, Canada
The site is at the end of Island rd on Cornwall Island. The sediment in the water is rocky/sandy, with not a lot of macrophyte cover.
Location created by
Emma Ehrenfeld
- Group: River Rapport & Education : River Institute
- Lat: 45.0149657
- Lng: -74.664073
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
21.0
Latest
15.3
Average
Water temperature
°C
22.2
Latest
17.5
Average
Alkalinity
mg/L
120
Latest
107
Average
Hardness
mg/L
100
Latest
100
Average
Dissolved oxygen
mg/L
8.0
Latest
7.0
Average
Conductivity
μS/cm
295
Latest
303
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.9
Latest
0.8
Average
pH (0-14)
7.7
Latest
7.6
Average
Chlorine
ppm
0.0
Latest
0.0
Average