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Anoxic Events

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Anoxic events are a common occurrence in Island estuaries during the summer months.  The symptoms of an anoxic event include:

  • milky white or green discolouration of the water, 
  • H2S or 'rotten turnip' odour, and                        
  • low (near zero) dissolved oxygen readings.


A list of sites that have recorded anoxic events thus far in 2014 is provided below. A map of these sites is available.   A map that highlights the intensity of anoxic events across PEI from 2009 to 2013 is also provided.

Historical information, from 2004 to 2013, is available.                                                     

Please note that information provided may not capture every anoxic estuary in PEI for a particular year. Some events may not have not been reported to, or documented by, the Department of Environment, Labour and Justice.
                                                                                                                                      
                                                                                                                   
                                                                                                

                                   2014* Anoxic Events
 
Covehead Bay
Darnley Basin
Kildare River
Mill River 
Nufrage Harbour
Southwest River (Eel Creek/Long River)
Wheatley River

 
* Current to July 28, 2014

If you have questions related to anoxic events in PEI, please contact the PEI Department of Environment, Labour and Justice at (902) 368-5044.

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