The Lake Simcoe Region Conservation Authority

Riverine Flood Status
Lake Simcoe Shoreline Status
Low Water Status

Lake Simcoe Science

A curb on the side of a street after a large rainfall with water flowing down it, and grass on the other side.

Low Impact Development (LID) A Recipe for Urban Sustainability

Lake Simcoe Science Low Impact Development (LID) A Recipe for Urban Sustainability In previous issues of our Science newsletter, we’ve explored the problems associated with urban stormwater run-off, a major contributor of pollutants entering into our rivers and ultimately into Lake Simcoe itself. Urban stormwater run-off is responsible for around 20 per cent of the […]

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A hand holding a round goby fish, an invasive species.

A Fish Tale

Lake Simcoe Science A Fish Tale Fish are Important Measures of Ecosystem Health  It is widely understood that biodiversity is a measure of ecosystem health. An ecosystem rich in biodiversity is more resilient to stressors and changes, provides better ecosystem services such as air and water purification, and provides more resources for recreational, cultural or

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A stream surrounded by snow, flowing through a culvert.

 Phosphorus Monitoring in Rivers and Streams

Lake Simcoe Science ​Testing the Waters with Innovative Monitoring​ ​Improving Phosphorus Monitoring in Streams and Rivers  Phosphorus is an essential nutrient for living things. In nature it is found in small amounts, where it is needed for processes such as plant growth. When a little extra phosphorus is added to an ecosystem (think of fertilizing

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