St. Lawrence River
Ontario, Canada
Clear water with sandy bottom, natural shorelines.
VERY fast moving water and powerful underflow - stay close to shore to avoid the high flow
Location created by
Emma Ehrenfeld
- Group: River Rapport & Education : River Institute
- Lat: 44.9952543
- Lng: -74.7582722
- Waterbody Type: River
- Timezone: America/New_York
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
25.0
Latest
26.3
Average
Water temperature
°C
23.5
Latest
24.2
Average
Alkalinity
mg/L
120
Latest
100
Average
Hardness
mg/L
100
Latest
100
Average
Dissolved oxygen
mg/L
8.0
Latest
8.0
Average
Conductivity
μS/cm
284
Latest
280
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.8
Latest
1.4
Average
pH (0-14)
7.8
Latest
7.7
Average
Chlorine
ppm
0.0
Latest
0.0
Average