Big Rideau Lake

Portland, Ontario, Canada

Location created by
RVCA Lake Monitoring Program
  • Site ID: RVL-39_32
  • Lat: 44.7629994
  • Lng: -76.2170988
  • Waterbody Type: Lake
  • Timezone: America/Toronto

Latest photos

View all photos

Observation tests summary

Total Phosphorus (µg/L)
0.0 Latest
8.5 Average
Total Kjeldahl Nitrogen (µg/L)
0 Latest
311 Average
Secchi depth (m)
6.0 Latest
6.9 Average
Air temperature ℃
18.0 Latest
22.2 Average
Water temperature ℃
19.0 Latest
21.1 Average
pH (0-14)
7.2 Latest
7.8 Average
Dissolved oxygen (mg/L)
9.0 Latest
9.6 Average
E.coli per 100mL
2 Latest
1 Average
Dissolved oxygen (%)
135.7 Latest
135.7 Average
Conductivity (uS/cm)
185 Latest
194 Average
Alkalinity (mg/L)
180 Latest
148 Average
Hardness (mg/L)
150 Latest
167 Average
Total Dissolved Solids (ppm)
102.0 Latest
102.0 Average
Water Depth (m)
37.0 Latest
90.9 Average
Chlorine (ppm)
0.0 Latest
0.2 Average