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
-4.0 Latest
16.2 Average
Water temperature °C
10.4 Latest
14.8 Average
Alkalinity mg/L
100 Latest
111 Average
Hardness mg/L
100 Latest
111 Average
Dissolved oxygen mg/L
7.0 Latest
7.9 Average
Conductivity μS/cm
284 Latest
290 Average
Secchi depth m
0.0 Latest
0.0 Average
Water depth m
0.8 Latest
0.8 Average
pH (0-14)
6.8 Latest
7.6 Average
Chlorine ppm
0.0 Latest
0.0 Average