Al­gal warn­ing no longer in bloom

Weekend Courier - - Anzac Day 2018 -

A WARN­ING for peo­ple to be care­ful in Shoal­wa­ter Bay has been with­drawn.

The City of Rock­ing­ham is­sued a warn­ing for peo­ple to avoid con­tact with an al­gal bloom in the bay on April 12.

The al­gal bloom was lo­cated along the shore­line in a 100m stretch of wa­ter within Shoal­wa­ter Bay near Bound­ary Road.

It has since dis­persed and the warn­ing signs have been re­moved.

There is no cur­rent warn­ing in place.

The al­gal bloom (tri­chodesmium ery­thraeum), com­monly re­ferred to as ‘red tide’ or ‘sea saw­dust’, can be iden­ti­fied by a yel­low­brown sur­face scum with the ap­pear­ance of an oil slick.

When it de­com­poses it may re­lease a pink­ish colour into the sur­round­ing wa­ter and then may take on a pale green colour.

Con­tact with the bloom could re­sult in skin ir­ri­ta­tion and a rash may de­velop.

Mayor Barry Sam­mels said this type of al­gal bloom was nat­u­rally oc­cur­ring and could be trans­ported by wind and tide and po­ten­tially im­pact other beach ar­eas.

The al­gal bloom in Shoal­wa­ter Bay.

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