St. Lawrence River
Cornwall, Ontario, Canada
In low point/pit from culvert pipe from Montreal Rd. Water is actively flowing out of pipe and waterfalling into pit, created by some rocks. Much deeper than surrounding water.

Location created by
Katherine Tieman
- Group: River Institute : Upper St. Lawrence River Volunteer Monitoring
- Lat: 45.0178305
- Lng: -74.7007442
- 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
21.1
Latest
19.0
Average
Alkalinity
mg/L
85
Latest
133
Average
Hardness
mg/L
180
Latest
152
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
764
Latest
671
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.5
Latest
0.5
Average
pH (0-14)
8.0
Latest
7.5
Average
Dissolved oxygen
mg/L
8.0
Latest
9.0
Average