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Cormorant Island

Big Rideau Lake

Portland, Ontario, Canada

Location created by
Gayle Mathe

Site ID: Cormorant Island BRLA
Lat: 44.727
Lng: -76.2298
Waterbody Type: Lake
Timezone: America/Toronto

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Observation tests summary

Alkalinity (mg/L)

100 Latest

100 Average

2018-06-08 -> 2021-10-07

Water Depth (m)

15.0 Latest

3.5 Average

2018-06-08 -> 2021-06-14

Conductivity (uS/cm)

190 Latest

205 Average

2018-06-08 -> 2021-10-07

Water temperature ℃

18.0 Latest

22.4 Average

2018-06-08 -> 2021-10-07

Hardness (mg/L)

150 Latest

78 Average

2018-06-08 -> 2021-10-07

Dissolved oxygen (mg/L)

9.0 Latest

7.5 Average

2018-06-08 -> 2021-10-07

pH (0-14)

7.6 Latest

7.6 Average

2018-06-08 -> 2021-10-07

Air temperature ℃

21.0 Latest

23.8 Average

2018-06-08 -> 2021-10-07

Secchi depth (m)

5.5 Latest

1.1 Average

2018-06-08 -> 2021-10-07

Total Dissolved Solids (ppm)

105.0 Latest

103.5 Average

2018-08-27 -> 2020-07-25

Turbidity (JTU)

104 Latest

105 Average

2018-09-16 -> 2020-06-27

Chlorine (ppm)

0.0 Latest

0.5 Average

2019-06-28 -> 2021-10-07

Turbidity (NTU)

105.0 Latest

105.0 Average

2020-06-27 -> 2020-06-27