Open Government Portal

Lake Simcoe is located North of Toronto in Ontario, Canada and is a premier destination for tourists generating $200 million in revenue annually. Lake Simcoe is the 4th largest lake in Ontario with a surface area of 722 square kilometers and a watershed of 2900 square kilometers. Lake Simcoe has been negatively impacted by anthropogenic activity since the 1930's. In 2007, the Lake Simcoe Cleanup Fund was created to address increased phosphorus inputs, reproductive failure of the cold water fishery, nuisance aquatic plant growth and invasive species.Here we present nutrient and sediment data that was collected to inform decisions pertaining to the restoration of Lake Simcoe.

The Lake Simcoe lake monitoring program provides measurements of chemical and physical water quality limits such as total phosphorus, nitrogen, chlorophyll a, pH, alkalinity, conductivity, dissolved organic and inorganic carbon, silica, other ions, water transparency, temperature and dissolved oxygen. Samples are collected biweekly during the spring, summer and fall. *[pH]: potential of hydrogen

This boundary is used in the management of watershed-based planning by the Lake Simcoe Region Conservation Authority (LSRCA). It is used to support the Lake Simcoe Protection Act (LSPA). Instructions for downloading this dataset: * select the link below and scroll down the metadata record page until you find Transfer Options in the Distribution Information section * select the link beside the Data for download label * you must provide your name, organization and email address in order to access the dataset This product requires the use of GIS software. *[LSPA]: Lake Simcoe Protection Act *[GIS]: geographic information system *[LSRCA]: Lake Simcoe Region Conservation Authority

Natural cover includes areas that have been mapped as woodlands (including plantations and hedgerows), wetlands and other rare vegetative cover communities. Data here represent areas outlined in the Lake Simcoe Protection Plan Policy 6.48 (June 2011). Instructions for downloading this dataset: * select the link below and scroll down the metadata record page until you find Transfer Options in the Distribution Information section * select the link beside the Data for download label * you must provide your name, organization and email address in order to access the dataset. This product requires the use of GIS software.

The Canadian Environmental Sustainability Indicators (CESI) program provides data and information to track Canada's performance on key environmental sustainability issues. The Reducing phosphorus loads to Lake Simcoe and south-eastern Georgian Bay indicator reports the contribution projects funded by the Lake Simcoe Clean-Up Fund (April 2007 to March 2012) and Lake Simcoe / South-eastern Georgian Bay Clean-Up Fund (April 2012 to March 2017) are making toward reducing the amount of phosphorus reaching the water bodies from their watersheds. Changing how land is managed in the watershed helps to reduce the amount of phosphorus from rural and urban sources reaching Lake Simcoe and south-eastern Georgian Bay and to restore the lakes' health. This indicator is used to provide information about the state of the Lake Simcoe and south-eastern Georgian Bay basin and Canadian environment.

This data set includes information on water quality of lakes and streams across Ontario since 1976. It includes: * major anions and cations * nutrients * chlorophyll * metals Data were collected as part of routine monitoring of water quality of inland waters and for scientific and research purposes.

Data is collected each year, according to the lake-by-lake cycle. Information includes: * water chemistry * approximately 60 index and reference stations throughout the Great Lakes basin

The most sensitive river regions include the Atlantic coast, the Great Lakes-St. Lawrence Valley regions, the Rocky Mountains and the Prairies. The sensitivity projection for Canada's river regions in response to climate warming was derived based on an examination of the effects of projected precipitation changes on landscapes. Climate warming has the potential to cause substantial changes to flow in rivers. The most direct effects of projected climate change would be an increase in floods and river erosion.

Water quality and ecosystem health data collected using a risk-based monitoring approach to support the Great Lakes Water Quality Agreement are included in this dataset. By conducting regular, systematic measurements of the physical, chemical and biological conditions of the Great Lakes Environment and Climate Change Canada (ECCC) is able to: measure the natural changes and conditions of water quality; determine changes over time, at various locations, of water contaminants and/or threats; support development of science-based guidelines for water, fish, and sediment; identify emerging issues and threats; track the results of remedial measures and regulatory decisions; report and assess science results through performance indicators and in an Open Science environment to support an ecosystem approach to environmental and resource management in the Great Lakes. Data are collected by Environment and Climate Change Canada to meet federal commitments related to the Great Lakes as transboundary waters crossing, inter- provincial and international borders under the authorities of the Department of the Environment Act, the Canada Water Act, the Canadian Environmental Protection Act, 1999 and the Boundary Waters Treaty including the commitments under the Canada-United States Great Lakes Water Quality Agreement.

Data is collected each year, according to the lake-by-lake cycle. Information includes: * sediment chemistry * approximately 60 index and reference stations throughout the Great Lakes basin