Datasets
Search for specific datasets or use filters to explore our data.
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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
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Service Territory Boundaries of Ontario Natural Gas Distributors
Ministry: Energy and Electrification
Location data for natural gas distributors’ service areas boundaries that can be used in geographic information systems (GIS) applications.Resource formats:
- ZIP
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Guide to Eating Ontario Fish: Advisory Database
Ministry: Environment, Conservation and Parks
Fish consumption advisories for Ontario's lakes and rivers are available in the Guide to Eating Ontario Fish. The zip file below includes a GIS shapefile of all lake/river...Resource formats:
- SHP
- CSV
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Climate data – High Resolution Projections
Ministry: Environment, Conservation and Parks
The zip file contains high-resolution projections of the annual averaged temperature and precipitation over 50 regions and 150 municipalities in the Province of Ontario from...Resource formats:
- ZIP
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Inland Lakes and Streams – Physical Conditions
Ministry: Environment, Conservation and Parks
Data on physical conditions in Ontario’s lakes and streams: For lakes this includes measurements such as temperature, dissolved oxygen levels and water transparency, ice dates,...Resource formats:
- ZIP
- XLSX
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Water quantity vulnerability indicators
Ministry: Natural Resources and Forestry
The data set estimates the vulnerability index for the Water Survey of Canada’s HYDAT gauges in the Southwestern Hudson Bay and the Nelson River watershed systems in Ontario....Resource formats:
- ZIP
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Runoff coefficient for southwestern Hudson Bay and Nelson River watershed system
Ministry: Natural Resources and Forestry
The data set represents the annual and monthly (July, August and September) runoff coefficient for each of the Water Survey of Canada’s HYDAT stream gauges of the Southwestern...Resource formats:
- ZIP
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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
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Ontario water and weather monitoring stations
Ministry: Natural Resources and Forestry
Point locations of water and weather monitoring stations used by the Surface Water Monitoring Centre to assess flood and drought conditions across Ontario. Monitoring station...Resource formats:
- SHP
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Ontario Snow Survey location and data
Ministry: Natural Resources and Forestry
This data contains location information for 1 of Ontario’s snow monitoring networks: Surface Water Monitoring Centre (SWMC) Snow course data is collected by: conservation...Resource formats:
- SHP
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Aquatic ecosystems in the Great Lakes Basin
Ministry: Natural Resources and Forestry
The dataset has been used for the Great Lakes Conservation Blueprint Project for Aquatic Biodiversity. It can be used for: research and aquatic species inventories...Resource formats:
- SHP
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Stewardship Zone, Council Area and Location
Ministry: Natural Resources and Forestry
The Ontario Stewardship Program has established Stewardship Councils across Ontario. Ministry of Natural Resources staff no longer directly administer and support Ontario...Resource formats:
- ZIP
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Ministry of Natural Resources area, district and region administrative boundaries (1997-2022)
Ministry: Natural Resources and Forestry
This data represents the Ministry of Natural Resources (MNR) administrative boundaries from 1997-2022. Ministry of Natural Resources (MNR) administrative areas divide Ontario...Resource formats:
- SHP
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Ontario Public Service Region
Ministry: Natural Resources and Forestry
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
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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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Agreement Forest Area
Ministry: Natural Resources and Forestry
An Agreement Forest Area is a polygon feature that identifies an area of forested private land governed by a Forest Management Agreement. Private companies have agreed, through...Resource formats:
- SHP
- DOCX
- dBase
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Ontario's Local Distribution Companies (LDCs) Boundaries Map
Ministry: Energy and Electrification
The spatial extent of service territory boundaries for Ontario's local distribution companies (LDCs). ENERGY's data consumers require visualization of the service...Resource formats:
- ZIP
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Greenhouse Gas Emissions by Sector
Ministry: Environment, Conservation and Parks
The data sets show historical greenhouse gas emissions and emission changes for selected years, in megatonnes of CO2 equivalent. Historical estimates are based on Environment...Resource formats:
- ZIP
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Provincial Park Regulated
Ministry: Environment, Conservation and Parks
Ontario provincial parks are classified as one of the following : Wilderness Nature Reserve Cultural Heritage Natural Environment Waterway Recreational These parks are managed...Resource formats:
- SHP
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Ontario Typical Range Soil Chemistry
Ministry: Environment, Conservation and Parks
Concentration levels from soil sampled in urban and rural parklands in the province. Data includes: station name and location (rounded to 1 km precision) sample date results...Resource formats:
- SHP