Big Rideau Lake
Portland, Ontario, Canada
Location created by
Ann White
- Group: Big Rideau Lake Association : Big Rideau Lake Water Quality
- Site ID: BRLA Ironwoods
- Lat: 44.7051747
- Lng: -76.2042189
- Waterbody Type: Lake
- Timezone: America/Toronto
Latest photos
Observations summary
Observation tests summary
Air temperature
°C
25.0
Latest
26.3
Average
Water temperature
°C
23.2
Latest
22.3
Average
Alkalinity
mg/L
80
Latest
99
Average
Hardness
mg/L
150
Latest
75
Average
Dissolved oxygen
mg/L
11.0
Latest
7.6
Average
Conductivity
μS/cm
215
Latest
200
Average
Secchi depth
m
1.8
Latest
2.1
Average
Water depth
m
1.8
Latest
2.3
Average
pH (0-14)
7.6
Latest
7.9
Average
Nitrites
mg/L
0.5
Latest
0.5
Average
Chlorine
ppm
0.0
Latest
0.0
Average
Ice On
Ice Off
- 2022-09-03
- 2022-07-30
- 2022-06-24
- 2022-05-30