Sunday, 7 August 2016

Sewage spill closes beaches at Honolulu.

A number of beaches have been closed and a body boarding competition cancelled after a sewage spill entered the sea via a storm drain at Ala Wai Boat Harbor. The spill occurred after a blockage in the sewage system close to the University of Hawaii at Manoa, early in the morning of Friday 5 August 2016, which released about 50 000 litres of sewage, some of which then entered a storm drain (designed to carry rainwater) at the intersection of Metcalf and Hunnewell streets.

 Warning sign on a beach in Honolulu. KITV.

As well as the obvious dangers to health presented by sewage, which is likely to contain a variety of Bacteria and other micro-organisms harmful to Human health, sewage provides a source of nutrients which can lead to eutrophication and the rapid growth of blooms of Algae, Bacteria or other micro-organisms, which absorb oxygen from the water leading Fish and other aquatic organisms to asphyxiate.

See also...

http://sciencythoughts.blogspot.co.uk/2016/07/sewage-spill-closes-long-beech.htmlSewage spill closes waterfront at Long Beech, California.                                       Parts of the harbour in Long Beech, Los Angeles, had to be closed off after a collapsed pipeline leaked about nine million liters of sewage into the Los Angeles...
http://sciencythoughts.blogspot.co.uk/2016/02/cleanup-underway-after-sewage-spill-in.htmlCleanup underway after sewage spill in Bellingham, Washington.                                A cleanup operation is underway after about 1 140 000 liters of sewage was spilt into Padden Creek in the south of Bellingham in Whatcom County...
http://sciencythoughts.blogspot.co.uk/2015/10/dairy-wastewater-spill-kills-hundreds.htmlDairy wastewater spill kills hundreds of Fish in Alabama creek.                                            A spill of dairy wastewater has killed several hundred Fish in the Shades Creek at Homewood, Alabama, close to West Homewood Park, on Monday 19 October 2015. The comprised about 380 liters of wastewater from the Mayfield Creamery, which turned the...
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