Cornwall Marina Co-op

St. Lawrence River

Ontario, Canada

Small pier jutting out into the river from a small gravel parking lot.

Location created by
Jonathan Ramundi

Latest photos

No photos uploaded.

Observation tests summary

Air temperature °C
26.0 Latest
18.0 Average
Water temperature °C
23.0 Latest
16.1 Average
Alkalinity mg/L
80 Latest
103 Average
Hardness mg/L
100 Latest
114 Average
Dissolved oxygen mg/L
10.0 Latest
8.5 Average
Conductivity μS/cm
310 Latest
302 Average
Secchi depth m
0.0 Latest
0.0 Average
Water depth m
0.8 Latest
0.8 Average
pH (0-14)
7.5 Latest
7.5 Average
Chlorine ppm
0.0 Latest
0.0 Average