St. Lawrence River
Cornwall, Ontario, Canada
At bottom of stairs/dock from shore.
Location created by
Katherine Tieman
- Group: River Institute : Community-based Water Monitoring
- Lat: 45.0164665
- Lng: -74.6994781
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
No photos uploaded.
Observations summary
Observation tests summary
Air temperature
°C
17.5
Latest
19.3
Average
Water temperature
°C
18.5
Latest
19.4
Average
Alkalinity
mg/L
180
Latest
175
Average
Hardness
mg/L
100
Latest
125
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
315
Latest
308
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.1
Latest
0.1
Average
pH (0-14)
6.8
Latest
6.9
Average