Lake Simcoe Monitoring

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

Additional information

Tags
Geographic coverage
Ontario
Update frequency
As required

Lake Simcoe Monitoring

Learn more about accessing data using different formats.

Date range: April 1, 2013 - December 31, 2024

  • SHP
    Shapefile English

    Last Updated: February 2, 2026

    Zip contains shapefiles.

    Explore

Date range: January 1, 1980 - December 31, 2024

  • ZIP
    Data English

    Last Updated: February 2, 2026

    Zip contains Excel files (xlsx).

    Explore

Supporting Files

  • PDF
    Metadata record English

    Last Updated: December 20, 2022

    Explore
  • PDF
    Metadata record French

    Last Updated: December 20, 2022

    Explore

Report an issue with this data

Submit a report if you are experiencing issues with the data resources in this dataset.

Help us improve the Data Catalogue