St. Lawrence River
Cornwall, Ontario, Canada
Just around the corner from where water flows into the river from Montreal Rd.
Location created by
Katherine Tieman
- Group: River Institute : Upper St. Lawrence River Volunteer Monitoring
- Lat: 45.0178311
- Lng: -74.7009373
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
No photos uploaded.
Observations summary
Observation tests summary
Air temperature
°C
22.0
Latest
21.5
Average
Water temperature
°C
22.6
Latest
21.9
Average
Alkalinity
mg/L
90
Latest
133
Average
Hardness
mg/L
180
Latest
160
Average
Dissolved oxygen
mg/L
6.0
Latest
5.8
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
821
Latest
606
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.1
Latest
0.1
Average
pH (0-14)
8.0
Latest
7.7
Average