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Big Rideau Lake
Portland, Ontario, Canada
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Location created by
Martin Lalumière
- Group: Big Rideau Lake Association : Big Rideau Lake Water Quality
- Lat: 44.6980006
- Lng: -76.1936992
- Waterbody Type: Lake
- Timezone: America/Toronto
Latest photos
View all photosObservation tests summary
Total kjeldahl nitrogen
μS/cm
950
Latest
414
Average
Total phosphorus
ppm
0.1
Latest
17.2
Average
Water temperature
°C
20.3
Latest
21.4
Average
Air temperature
°C
19.0
Latest
24.9
Average
Dissolved oxygen
mg/L
6.0
Latest
8.3
Average
pH (0-14)
7.8
Latest
8.1
Average
E.coli
cfu per 100mL
14
Latest
28
Average
Conductivity
μS/cm
202
Latest
223
Average
Dissolved oxygen
%
6.0
Latest
52.5
Average
Alkalinity
mg/L
80
Latest
105
Average
Hardness
mg/L
20
Latest
94
Average
Secchi depth
m
1.9
Latest
1.4
Average
Water depth
m
1.9
Latest
1.4
Average
Chlorine
ppm
0.0
Latest
0.1
Average
Ice On
Ice Off
- 2022-06-24
- 2022-05-30