Datasets
Search for specific datasets or use filters to explore our data.
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Provincial Watersheds, Historical
Ministry: Natural Resources
Note: This data has been replaced by the Ontario Watershed Boundaries (OWB).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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Water systems that sought regulatory relief due to COVID-19 pandemic
Ministry: Environment, Conservation and Parks
Ministry of the Environment, Conservation and Parks allowed temporary system-specific regulatory relief to address challenges posed by the pandemic such as operational...Resource formats:
- CSV
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Industrial Wastewater Discharges
Ministry: Environment, Conservation and Parks
Industrial wastewater monitoring data submitted quarterly to the Ministry of the Environment. This reporting is required by the Effluent Monitoring and Effluent Limits...Resource formats:
- XLS
- XLSX
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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
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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Natural heritage system areas
Ministry: Natural Resources
This dataset shows the boundaries of systems of natural heritage features and areas, lands and waters that support connectivity and have significant ecological value. It...Resource formats:
- WEB
- DOCX
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Forest Insect Damage Event
Ministry: Natural Resources
Shows areas where forest insect pests have damaged or killed trees by defoliation, foliage mining and wood boring. Tree mortality rarely occurs as the result of one year's...Resource formats:
- WEB
- DOCX
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Niagara Escarpment Plan land use designations
Ministry: Natural Resources
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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Drinking Water Surveillance Program
Ministry: Environment, Conservation and Parks
The Drinking Water Surveillance Program (DWSP) monitors water quality at selected municipal drinking water systems for scientific and research purposes. DWSP is a voluntary...Resource formats:
- ZIP
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Hazardous Waste Public Information
Ministry: Environment, Conservation and Parks
This hazardous waste dataset contains spatial information about generators, carriers and receivers of hazardous and liquid industrial waste. Also contains the volumes and...Resource formats:
- ZIP
- CSV
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Ontario business, agri-food, and farm data profiles
Ministry: Agriculture, Food and Agribusiness
The Ministry of Agriculture, Food and Agribusiness has created business, agri-food, and farm data profiles for: each region in the province (Central, Eastern, Western,...Resource formats:
- XLSX
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Ontario Hydro Network - Waterbody
Ministry: Natural Resources
Waterbody types include: Lake River Canal Reservoir Kettle lake Pond Beaver Pond Ocean This product requires the use of geographic information system (GIS) software.Resource formats:
- WEB
- DOCX
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Bumble Bee Diversity and Abundance Survey
Ministry: Environment, Conservation and Parks
The Ministry of the Environment, Conservation and Parks started a project to characterize the number of species of bumble bees and the relative abundances of these species in...Resource formats:
- CSV
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Ring of Fire Environmental Monitoring
Ministry: Environment, Conservation and Parks
In 2013, the Ontario Ministry of the Environment, Conservation and Parks initiated an integrated baseline environmental data collection program in the Ring of Fire region...Resource formats:
- ZIP
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Pesticide Concentrations in Stream Water
Ministry: Environment, Conservation and Parks
This dataset contains measurements of pesticide concentrations in stream water samples collected at selected streams in Ontario. The Ministry of the Environment, Conservation...Resource formats:
- CSV
- XLSX
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Inland Waters Lakes and Streams – Biological Communities
Ministry: Environment, Conservation and Parks
This dataset includes information on biological communities in lakes and streams across Ontario since 1976. Biological communities sampled include: crayfish Data were...Resource formats:
- CSV
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Ontario Lake Partner
Ministry: Environment, Conservation and Parks
Get data about the water quality for Ontario's inland lakes. The data is collected through volunteer monitoring efforts – citizen science. The Lake Partner environment map...Resource formats:
- CSV
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Ontario Public Service Region
Ministry: Natural Resources
The OPS has adopted these boundaries for administrative and functional purposes which will facilitate enterprise initiatives and enhance customer service. We are no longer...Resource formats:
- SHP
- DOCX
- WEB