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: Central Algoma Land Trust : 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
27.0
Latest
16.8
Average
Water temperature
°C
26.2
Latest
17.2
Average
Alkalinity
mg/L
0
Latest
30
Average
Hardness
mg/L
0
Latest
15
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Conductivity
μS/cm
116
Latest
138
Average
Secchi depth
m
0.0
Latest
0.1
Average
Water depth
m
0.4
Latest
0.3
Average
pH (0-14)
7.8
Latest
7.7
Average