St Lawrence River
Ontario, Canada
Man-made canal system within the Charlottenburgh Marsh. Shallow, slow moving system.
Location created by
Emilie DeRochie
- Group: River Rapport & Education : River Institute
- Lat: 45.1092007
- Lng: -74.5144486
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
View all photosObservations summary
Observation tests summary
Air temperature
°C
10.1
Latest
22.0
Average
Water temperature
°C
4.6
Latest
20.7
Average
Alkalinity
mg/L
120
Latest
134
Average
Hardness
mg/L
100
Latest
139
Average
Dissolved oxygen
mg/L
9.0
Latest
7.4
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
634
Latest
408
Average
Secchi depth
m
0.0
Latest
0.6
Average
pH (0-14)
6.4
Latest
7.5
Average
Water depth
m
0.5
Latest
0.8
Average
Ice On
Ice Off
- 2022-10-30
- 2022-08-29