Lake Simcoe Water and Sediment Quality 2008 to 2011

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.

Supplemental Information:

Lake Simcoe/South-Eastern Georgian Bay Cleanup Fund

Lake Simcoe is the fourth largest lake entirely in Ontario. It is part of the Trent Severn Waterway connecting GeorgianBay to Lake Ontario where tourism generates more than $200 million per year. In 2007-2012 the Lake Simcoe Cleanup Fund wascreated to address the increased phosphorus loading from point and non-point sources, research and monitoring to improveenvironmental information for decision making and conservation of fish and aquatic wildlife habitat. Collaborative researchbetween a number of government and non-government stakeholders have contributed to monitoring, research and management ofLake Simcoe to ensure long term ecosystem health of this valuable resource.

For more information please visit: https://www.canada.ca/en/environment-climate-change/services/water-overview/comprehensive-approach-clean/lake-simcoe-georgian-bay/clean-up-fund.html

Data and Resources

Additional Info

Field Value
Last Updated April 17, 2026, 20:23 (UTC)
Created April 17, 2026, 20:23 (UTC)
contact_email open-overt@tbs-sct.gc.ca
contact_person {}
criticality_level []
data_dictionary []
geographic_scope ["0"]
open_canada_collection primary
open_canada_date_published 2019-07-24 00:00:00
open_canada_keywords {"fr": ["nutriments", "les sédiments", "Lac Simcoe et du sud-est de la baie Georgienne du Fonds d'assainissement", "l'eau", "Qualité de l'eau", "Eaux intérieures", "Hydrographie", "Eau - qualité", "Observation et mesures"], "en": ["nutrients", "sediment", "Lake Simcoe/South-Eastern Georgian Bay Cleanup Fund", "water", "Water quality", "Inland waters", "Water - Quality", "Observation/Measurement"]}
open_canada_subject ["nature_and_environment"]
sensitivity_level unrestricted
title_fr Qualité de l’eau et des sédiments du lac Simcoe de 2008 à 2011
update_frequency as_needed