Cow Island

Big Rideau Lake

Portland, Ontario, Canada

Location created by
Gayle Mathe

Group: Big Rideau Lake Association : Big Rideau Lake Water Quality
Site ID: BRLA Cow Island
Lat: 44.7184
Lng: -76.2015
Waterbody Type: Lake
Timezone: America/Toronto

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Observation tests summary

Air temperature °C

32.0 Latest

25.1 Average

2018-06-08 -> 2021-07-15

Water temperature °C

24.6 Latest

22.6 Average

2018-06-08 -> 2021-07-15

Alkalinity mg/L

60 Latest

106 Average

2018-06-08 -> 2021-07-15

Hardness mg/L

0 Latest

50 Average

2018-06-08 -> 2021-07-15

Conductivity μS/cm

178 Latest

206 Average

2018-06-08 -> 2021-07-15

Secchi depth m

2.9 Latest

2.6 Average

2018-06-08 -> 2019-08-31

Dissolved oxygen %

9.0 Latest

9.0 Average

2018-06-08 -> 2018-06-08

pH (0-14)

8.0 Latest

7.7 Average

2018-06-08 -> 2021-07-15

Water depth m

2.7 Latest

3.1 Average

2018-07-06 -> 2021-07-15

Dissolved oxygen mg/L

8.0 Latest

7.3 Average

2018-07-29 -> 2021-07-15

Total dissolved solids ppm

102.0 Latest

102.0 Average

2018-08-27 -> 2018-08-27

Chlorine ppm

0.0 Latest

0.2 Average

2019-06-28 -> 2021-07-15

Turbidity JTU

107 Latest

107 Average

2019-06-28 -> 2019-06-28