Datasets
Search for specific datasets or use filters to explore our data.
-
Lake Ontario tagged Atlantic salmon
Ministry: Natural Resources and Forestry
Get data on Lake Ontario tagged Atlantic salmon recaptures. This dataset represents tagged adult Atlantic salmon that were released and then recaptured by anglers. These fish...Resource formats:
- WEB
-
Great Lakes Shoreline Ecosystem inventory
Ministry: Natural Resources and Forestry
This dataset contains the Great Lakes Shoreline Ecosystem (GLSE) inventory, which is a geospatial digital inventory of: ecosite polygon mapping field survey calibration points...Resource formats:
- WEB
-
Inland Lakes and Streams – Water Chemistry
Ministry: Environment, Conservation and Parks
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...Resource formats:
- ZIP
-
Lake Ontario Prey Fish Trawl Data
Ministry: Natural Resources and Forestry
This dataset contains Lake Ontario prey fish abundance and distribution statistics, collected every year during spring and fall bottom trawl surveys. The New York State...Resource formats:
- WEB
-
Lake Water Quality at Drinking Water Intakes
Ministry: Environment, Conservation and Parks
This data set includes information on sampling locations, water chemistry and chlorophyll collected at 18 locations in the Great Lakes-St. Lawrence River and 4 locations in Lake...Resource formats:
- XLSX
-
Lake Simcoe Monitoring
Ministry: Environment, Conservation and Parks
The Lake Simcoe lake monitoring program provides measurements of chemical and physical water quality limits such as total phosphorus, nitrogen, chlorophyll a, pH, alkalinity,...Resource formats:
- ZIP
- SHP
-
Jackfish Bay Area of Concern in Recovery – Water and Sediment Chemistry
Ministry: Environment, Conservation and Parks
In 2017, the Ministry of Environment, Conservation, and Parks collected water and sediment from the Jackfish Bay ‘Area of Concern in Recovery’ study area, which included...Resource formats:
- CSV
- XLSX
-
Hamilton Harbour Area of Concern (AOC) Monitoring
Ministry: Environment, Conservation and Parks
Dataset includes 8 water quality surveys conducted between May and September 2021 at 4 stations in Hamilton Harbour by the Ontario Ministry of the Environment, Conservation and...Resource formats:
- XLSX