Big Rideau Lake
Portland, Ontario, Canada
Location created by
Martin Lalumière
- Group: Big Rideau Lake Association : Big Rideau Lake Water Quality
- Lat: 44.7005001
- Lng: -76.186
- Waterbody Type: Lake
- Timezone: America/Toronto
Latest photos
View all photosObservation tests summary
Total kjeldahl nitrogen
μS/cm
350
Latest
411
Average
Total phosphorus
ppm
0.0
Latest
15.4
Average
Water temperature
°C
22.2
Latest
22.2
Average
Air temperature
°C
28.5
Latest
25.4
Average
Dissolved oxygen
mg/L
6.0
Latest
7.8
Average
pH (0-14)
8.0
Latest
8.1
Average
E.coli
cfu per 100mL
8
Latest
8
Average
Conductivity
μS/cm
196
Latest
202
Average
Alkalinity
mg/L
90
Latest
100
Average
Hardness
mg/L
50
Latest
80
Average
Secchi depth
m
1.5
Latest
1.5
Average
Water depth
m
1.5
Latest
1.7
Average
Chlorine
ppm
0.0
Latest
0.1
Average
Ice On
Ice Off
- 2022-09-25
- 2022-09-03
- 2022-07-30
- 2022-06-24
- 2022-05-30