Big Rideau Lake deep water, northwest of Tar Island

Big Rideau Lake

Portland, Ontario, Canada

Location created by
RVCA Lake Monitoring Program

Group: Big Rideau Lake Association : Big Rideau Lake Water Quality
Site ID: RVL-39_32
Lat: 44.7629994
Lng: -76.2170988
Waterbody Type: Lake
Timezone: America/Toronto

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Observation tests summary

Total kjeldahl nitrogen μS/cm

0 Latest

311 Average

2005-06-09 -> 2018-08-28

Secchi depth m

7.0 Latest

6.8 Average

2005-06-09 -> 2023-09-23

Total phosphorus ppm

0.0 Latest

8.5 Average

2005-06-09 -> 2018-08-28

Air temperature °C

23.0 Latest

22.9 Average

2005-08-04 -> 2023-09-23

Water temperature °C

20.0 Latest

21.3 Average

2007-06-06 -> 2023-09-23

pH (0-14)

6.8 Latest

7.6 Average

2007-06-06 -> 2023-09-23

Dissolved oxygen mg/L

7.0 Latest

9.0 Average

2010-06-08 -> 2023-09-23

E.coli cfu per 100mL

2 Latest

1 Average

2016-07-18 -> 2018-08-28

Conductivity μS/cm

194 Latest

194 Average

2017-06-21 -> 2023-09-23

Dissolved oxygen %

135.7 Latest

135.7 Average

2017-06-21 -> 2017-06-21

Alkalinity mg/L

80 Latest

125 Average

2018-05-31 -> 2023-09-23

Hardness mg/L

50 Latest

135 Average

2018-05-31 -> 2023-09-23

Total dissolved solids ppm

102.0 Latest

102.0 Average

2018-07-30 -> 2018-07-30

Chlorine ppm

0.0 Latest

0.1 Average

2018-09-09 -> 2023-09-23

Water depth m

38.0 Latest

65.7 Average

2018-09-09 -> 2023-09-23