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Phoslock - Testing in the Lake Simcoe Watershed

In partnership with the Ontario Ministry of the Environment, the LSRCA is implementing a pilot project to test Phoslock. Laboratory and field tests will investigate its effectiveness and appropriateness for the watershed. This is the first use of Phoslock in Canada.

Laboratory testing will validate the effectiveness of the product in removing phosphorus from the water. As the product settles to the pond floor or lakebed, testing will determine if the concentration of materials in the sediment on the bottom are harmful. Furthermore, tests will indicate if there are safety concerns for nearby agricultural activities.

Field tests include the stormwater management pond along the Cane Parkway, next to the Town of Newmarket offices, whose location provides the public and media full access to see the process and the results; an open water reservoir test at Scanlon Creek Conservation Area; and a canal beside a muck farm.

As test results become available, they will be posted to this website.

The Cane Parkway Stormwater Management Pond, next to the Town of Newmarket offices, was chosen as a stormwater field test.


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The open water reservoir test is being conducted at Scanlon Creek Conservation Area.


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