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August 31, 2010 Mara Lake / Hwy 97A Two Mile The foam washed on the beaches at Mara Lake and around the Eagle Bay / Blind Bay area is not caused by pollutants but the result of a natural process in the lake. This is the official conclusion of Dennis Einarson, Environmental Impact Biologist from the Ministry of Environment. Einarson and his team had been assigned to investigate this recent foam occurrence all over the Shuswap Lakes. |
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The foam is most likely caused by decomposing marine plant life, which has been exposed due to the low water levels of the lake and warm water temperature. The decomposing particles getting absorbed by the lake water and, under certain conditions, can wash as foam on the beaches. Wind, waves, rain, and boat traffic are the most likely causes for creating the foam-like substance. "This kind of foam omits a fish-like or foul odour", Einarson said. "Soap-based foam has a different aroma specific to the soap or cleaning product". The decomposition process is a frequent yearly event and does not offer any reason for concerns. It is a natural process and causes not danger for public health. There might be also a chance that soon red / rusty strains appear on some beaches. This is caused by bacteria feeding on particles washed on the shore and, as another natural event, does not give reasons for concern as well. For further information please feel free to contact shuswaplakewatch.com. |
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