
St Lawrence River
Ontario, Canada
Man made rock shelf , algae, rocky substrate, some plants

Location created by
Emilie DeRochie
- Group: River Rapport & Education : River Institute
- Lat: 44.6342618
- Lng: -75.6125215
- Waterbody Type: River
- Timezone: UTC
Latest photos
View all photosObservation 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