Maitland Tower rock shelf

St Lawrence River

Ontario, Canada

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

Location created by
Emilie DeRochie

Latest photos

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Observation tests summary

Air temperature °C
28.0 Latest
22.5 Average
Water temperature °C
23.0 Latest
23.5 Average
Alkalinity mg/L
160 Latest
140 Average
Hardness mg/L
150 Latest
150 Average
Dissolved oxygen mg/L
10.0 Latest
9.0 Average
Chlorine ppm
0.0 Latest
0.0 Average
Conductivity μS/cm
280 Latest
370 Average
pH (0-14)
8.2 Latest
8.2 Average

Ice On

Ice Off

  • 2022-09-01