Lake Ontario
Ontario, Canada
Location created by
Don Ross
- Group: County Sustainability Group
- Lat: 43.9348812
- Lng: -76.9893765
- Waterbody Type: Lake
- Timezone: America/Toronto
Latest photos
Issues Summary
Observations summary
Observation tests summary
Air temperature
°C
23.5
Latest
19.3
Average
Water temperature
°C
22.6
Latest
15.5
Average
Alkalinity
mg/L
60
Latest
99
Average
Hardness
mg/L
150
Latest
176
Average
Dissolved oxygen
mg/L
6.0
Latest
7.6
Average
Conductivity
μS/cm
267
Latest
291
Average
Secchi depth
m
0.0
Latest
0.0
Average
Water depth
m
0.2
Latest
0.2
Average
pH (0-14)
7.0
Latest
7.8
Average
Phosphates total
ppm
3.0
Latest
3.0
Average
Chlorine
ppm
0.3
Latest
0.3
Average
Ice On
- 2023-01-02
- 2021-12-30
- 2020-12-30
Ice Off
- 2023-03-03
- 2022-03-10
- 2021-03-08
- 2020-03-22
- 2019-04-17
- 2018-03-31