St. Mary’s River
Ontario, Canada
On the shore by the stone pier at the south end of Huron Line in Jocelyn Township. Turn left on Huron Line from Otter Lake Road and go to end.

Location created by
Janice Fairfax
- Group: The Kensington Conservancy : St Joseph Channel Water Quality Monitoring
- Lat: 46.1644956
- Lng: -84.0185451
- Waterbody Type: River
- Timezone: America/Toronto
Latest photos
No photos uploaded.
Observations summary
Observation tests summary
Air temperature
°C
18.0
Latest
13.3
Average
Water temperature
°C
19.9
Latest
14.1
Average
Alkalinity
mg/L
40
Latest
40
Average
Hardness
mg/L
0
Latest
20
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
139
Latest
145
Average
Secchi depth
m
0.3
Latest
0.1
Average
Water depth
m
0.3
Latest
0.3
Average
pH (0-14)
7.8
Latest
7.6
Average