Came across the link below on CKLQ's site and felt it was important to pass along for those that followed last summer's discussion on the Killarney Lake situation..
Apparently they have purchased a large fountain and aerator, which has the potential to go a long way toward solving the problem:
http://cklq.com/index.php?option=com_content&:view=article&:id=2259:killarney-lake-clean-up-efforts&:catid=44:news&:Itemid=27