St Lawrence River
Ontario, Canada
Location created by
Kat Kavanagh
- Lat: 44.4222012
- Lng: -75.891631
- Waterbody Type: Unknown
- Timezone: America/Toronto
Latest photos
Observation tests summary
Air temperature
°C
4.0
Latest
16.5
Average
Water temperature
ppt
2.7
Latest
13.7
Average
Conductivity
uS/cm
293
Latest
293
Average
Alkalinity (mg/L)
100
Latest
100
Average
Hardness (mg/L)
50
Latest
50
Average
pH (0-14)
8.4
Latest
8.4
Average
Fluorometer (ppm)
4.0
Latest
4.0
Average