Maitland Tower rock shelf

St Lawrence River

Ontario, Canada

Man made rock shelf , algae, rocky substrate, some plants

Location created by
Emilie DeRochie

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Observation tests summary

Air temperature °C
17.0 Latest
17.0 Average
Water temperature °C
23.9 Latest
23.9 Average
Alkalinity mg/L
120 Latest
120 Average
Hardness mg/L
150 Latest
150 Average
Dissolved oxygen mg/L
8.0 Latest
8.0 Average
Chlorine ppm
0.0 Latest
0.0 Average
Conductivity μS/cm
460 Latest
460 Average
pH (0-14)
8.1 Latest
8.1 Average

Ice On

Ice Off

  • 2022-09-01