Add observation Report an issue
St Lawrence River

St Lawrence River

Ontario, Canada

Location created by
Harleen kaur
  • Lat: 45.0166784
  • Lng: -74.7143168
  • Waterbody Type: Unknown
  • Timezone: America/Toronto

Latest photos

No photos uploaded.

Observation tests summary

Air temperature °C
What's this?
10.0 Latest
10.0 Average
Water temperature °C
What's this?
9.0 Latest
9.0 Average
Alkalinity mg/L
What's this?
80 Latest
80 Average
Hardness mg/L
What's this?
100 Latest
100 Average
Dissolved oxygen mg/L
What's this?
12.0 Latest
12.0 Average
Chlorine ppm
What's this?
0.0 Latest
0.0 Average
Conductivity μS/cm
What's this?
318 Latest
318 Average
Water depth m
What's this?
0.8 Latest
0.8 Average
pH (0-14)
What's this?
6.3 Latest
6.3 Average