Cormorant Island

Big Rideau Lake

Portland, Ontario, Canada

Location created by
Gayle Mathe

Latest photos

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Pollen present on water surface- thin layer

11 Jun 12:40 by Debbie Bagg

10 roosting cormorants
Smell of guano

20 Jun 17:31 by Debbie Bagg

Secchi depth not measured because daylight failing.

20 Sep 19:30 by Debbie Bagg

Total chlorine 2 mg/L
Monitoring location slightly further from island than usual due to low water levels.

25 Jul 08:45 by Marie F Mathe Drader

TCl 0.5
TDS 108 ppm
mostly cloudy

31 Aug 14:24 by Marie F Mathe Drader