St. Lawrence
Cornwall, Ontario, Canada
Cottages, farm growing corn across the road
Location created by
Mark Bellis
- Lat: 45.0540426
- Lng: -74.5691872
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
No photos uploaded.
Observations summary
Observation tests summary
Air temperature
°C
25.0
Latest
25.0
Average
Water temperature
°C
22.8
Latest
22.8
Average
Alkalinity
mg/L
60
Latest
60
Average
Hardness
mg/L
200
Latest
200
Average
Dissolved oxygen
mg/L
12.0
Latest
12.0
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
303
Latest
303
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.6
Latest
0.6
Average
pH (0-14)
7.8
Latest
7.8
Average