![](https://cdn.waterrangers.ca/attachments/8655ca1c361acf9b700d23289f7a2c9d4dfe5ad3/store/fill/300/300/7dadd7ecc7005a6954df4679a0be729ab92f5a855263e43e0f4d1bcc9ff6/image.jpg)
Big Rideau Lake
Portland, Ontario, Canada
![](https://cdn.waterrangers.ca/assets/default-150x150-cd282e9606eb9f82711bac32876e2d0e601ded2e263f562808e560a6eda4e0ea.jpg)
Location created by
Gayle Mathe
- Group: Big Rideau Lake Association : Big Rideau Lake Water Quality
- Site ID: Klautz Pt BRLA
- Lat: 44.721
- Lng: -76.1859
- Waterbody Type: Lake
- Timezone: America/Toronto
Latest photos
Observation tests summary
Air temperature
°C
19.0
Latest
23.2
Average
Water temperature
°C
21.0
Latest
22.7
Average
Alkalinity
mg/L
20
Latest
97
Average
Hardness
mg/L
0
Latest
65
Average
Conductivity
μS/cm
227
Latest
198
Average
Secchi depth
m
5.5
Latest
2.3
Average
Water depth
m
4.3
Latest
4.1
Average
pH (0-14)
6.8
Latest
7.5
Average
Dissolved oxygen
mg/L
9.0
Latest
8.4
Average
Total dissolved solids
ppm
102.0
Latest
102.0
Average
Chlorine
ppm
0.0
Latest
0.1
Average
Turbidity
JTU
106
Latest
109
Average
Ice On
Ice Off
- 2022-08-21
- 2022-06-20
- 2022-06-20