Big Rideau Lake at Hudsons Bay

Big Rideau Lake

Ontario, Canada

Location created by
RVCA Lake Monitoring Program

Group: Rideau Valley Conservation Authority : Watershed Watch Program
Site ID: RVL-39_02
Lat: 44.69
Lng: -76.2783
Waterbody Type: Lake
Timezone: America/Toronto

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Issues Summary

Algae

Observation tests summary

Total kjeldahl nitrogen μS/cm

390 Latest

395 Average

2005-06-09 -> 2005-09-07

Total phosphorus ppm

11.0 Latest

11.7 Average

2005-06-09 -> 2005-09-07

Air temperature °C

27.0 Latest

22.6 Average

2019-07-01 -> 2025-07-26

Water temperature °C

24.2 Latest

22.0 Average

2019-07-01 -> 2025-07-26

Alkalinity mg/L

80 Latest

88 Average

2019-07-01 -> 2025-07-26

Hardness mg/L

100 Latest

48 Average

2019-07-01 -> 2025-07-26

Dissolved oxygen mg/L

6.0 Latest

7.3 Average

2019-07-01 -> 2025-07-26

Chlorine ppm

0.0 Latest

0.3 Average

2019-07-01 -> 2025-07-26

Conductivity μS/cm

202 Latest

196 Average

2019-07-01 -> 2025-07-26

Secchi depth m

0.0 Latest

0.3 Average

2019-07-01 -> 2025-07-26

Water depth m

2.8 Latest

2.6 Average

2019-07-01 -> 2025-07-26

Turbidity JTU

104 Latest

104 Average

2019-07-01 -> 2020-06-27

pH (0-14)

7.6 Latest

7.3 Average

2019-07-01 -> 2025-07-26

Total dissolved solids ppm

100.0 Latest

102.4 Average

2020-07-25 -> 2025-07-26