St. Lawrence River
Ontario, Canada
Very rocky, barren, natural shoreline, main channel of river, very clear and slow moving water.
Location created by
Emma Ehrenfeld
- Group: River Rapport & Education : River Institute
- Lat: 44.3421236
- Lng: -76.0528779
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
19.0
Latest
19.0
Average
Water temperature
°C
23.5
Latest
23.5
Average
Alkalinity
mg/L
120
Latest
120
Average
Hardness
mg/L
100
Latest
100
Average
Dissolved oxygen
mg/L
9.0
Latest
9.0
Average
Conductivity
μS/cm
306
Latest
306
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
1.5
Latest
1.5
Average
pH (0-14)
7.8
Latest
7.8
Average