Datasets
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Provincial Watersheds, Historical
Ministry: Natural Resources and Forestry
Note: This data has been replaced by the Ontario Watershed Boundaries (OWB). We are no longer updating this data. It is best suited for historical research and analysis. A...Resource formats:
- ZIP
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Oak Ridges Moraine: land use designations
Ministry: Municipal Affairs and Housing
This dataset was created to provide land use information on the Oak Ridges Moraine and is the basis for Ontario Regulation 140/02. The data was digitized at 1:10,000 or better...Resource formats:
- DOCX
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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
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Permit to Take Water
Ministry: Environment, Conservation and Parks
Companies or organizations who take over 50,000 litres of water/day from a lake, river, stream or groundwater source, must obtain a Permit to Take Water from the Ministry of the...Resource formats:
- SHP
- XLS
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Caribou Range Boundary
Ministry: Environment, Conservation and Parks
Shows areas where the health and prevalence of caribou can be linked to the attributes of the land that supports them. Ontario's Woodland Caribou Recovery Strategy (2008)...Resource formats:
- SHP
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Niagara Escarpment Plan boundary
Ministry: Natural Resources and Forestry
The purpose of this dataset is to depict the boundaries of the Niagara Escarpment Plan. The outer boundary of the area covered by the Niagara Escarpment Plan is fixed and...Resource formats:
- WEB
- DOCX
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Niagara Escarpment Plan land use designations
Ministry: Natural Resources and Forestry
Depicts the internal boundaries of the Niagara Escarpment Plan area. The 7 land use designations are: escarpment natural area escarpment protection area escarpment rural area...Resource formats:
- WEB
- DOCX
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Official airports
Ministry: Natural Resources and Forestry
This layer is derived from data provided from Nav Canada. Where possible, it is spatially aligned with Ontario land parcel layers. Data is continually updated. This layer should...Resource formats:
- WEB
- DOCX
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Risk Management Measures Catalogue
Ministry: Environment, Conservation and Parks
The catalogue provides a means for a user to determine which management measures and management targets are suitable to effectively manage a specific threat to the quality or...Resource formats:
- XLSX
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Ontario Hydro Network - Hydrographic Poly
Ministry: Natural Resources and Forestry
A feature is a representation of a real world object, such as a lake, stream, dam or rapid. There are three hydrographic feature classes: points, lines and polys. All may...Resource formats:
- WEB
- DOCX
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Ministry of the Environment, Conservation and Park’s Common Service Standards performance results
Ministry: Environment, Conservation and Parks
This dataset contains a yearly comparison summary of MECP's average for meeting the standards. The CSS categories are: telephone in-person e-mail/online mail/fax social...Resource formats:
- XLSX
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Ontario Integrated Hydrology (OIH) data
Ministry: Natural Resources and Forestry
Ontario Integrated Hydrology (OIH) data is used to generate watersheds and support provincial-scale hydrology applications including: watershed generation hydrologic modelling...Resource formats:
- WEB
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Ontario provincial land cover 1996 - 28 classes
Ministry: Natural Resources and Forestry
This data was produced in 1999 by rationalizing a 48-class database into 28 distinct classes. The original database was derived from digital, multispectral Landsat Thematic...Resource formats:
- WEB
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Toxics Reduction Act - Reporting
Ministry: Environment, Conservation and Parks
Toxics Reduction dataset provides the complete public data contained in annual reports, toxic substance reduction plan summaries, exit records and exemption records submitted by...Resource formats:
- ZIP
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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
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Ontario Forest Biomonitoring Network
Ministry: Environment, Conservation and Parks
The Ontario Forest Biomonitoring Network (OFBN) monitors the health of mixed hardwood forests across southern and central Ontario. The data set includes: Individual Tree Data:...Resource formats:
- SHP
- XLSX
- TXT
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Ontario’s Emissions Trading Program Data
Ministry: Environment, Conservation and Parks
This historic dataset includes data reported under Ontario’s now revoked Emissions Trading Program regulations (O. Reg. 397/01: Emissions Trading and O. Reg. 194/05: Industry...Resource formats:
- CSV
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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
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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
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Niagara River Caged Mussel Biomonitoring Program
Ministry: Environment, Conservation and Parks
Data are contaminants in tissue of caged mussels put in the river for 3 weeks at about 25 stations located on the Canadian and US side of the river. The main objective of the...Resource formats:
- ZIP