Big Rideau Lake
Portland, Ontario, Canada
Location created by
RVCA Lake Monitoring Program
- Group: Rideau Valley Conservation Authority : Watershed Watch Program
- Site ID: RVL-39_8
- Lat: 44.703
- Lng: -76.2359
- Waterbody Type: Lake
- Timezone: America/Toronto
Latest photos
Observation tests summary
Total kjeldahl nitrogen
μS/cm
380
Latest
370
Average
Total phosphorus
ppm
10.0
Latest
9.5
Average
Secchi depth
m
5.0
Latest
6.8
Average
Air temperature
°C
23.0
Latest
23.0
Average
Water temperature
°C
19.1
Latest
19.1
Average
Alkalinity
mg/L
120
Latest
120
Average
Hardness
mg/L
100
Latest
100
Average
Dissolved oxygen
mg/L
8.5
Latest
8.5
Average
Conductivity
μS/cm
213
Latest
213
Average
pH (0-14)
9.0
Latest
9.0
Average