Datasets
Search for specific datasets or use filters to explore our data.
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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:
- DOCX
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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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Drinking Water Quality and Enforcement
Ministry: Environment, Conservation and Parks
Ontario has a comprehensive set of measures and regulations to help ensure the safety of drinking water. The following dataset contains information about the drinking water...Resource formats:
- ZIP
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Environmental Compliance Reports
Ministry: Environment, Conservation and Parks
Every year, the Ministry of the Environment Conservation and Parks publicly releases the Environmental Compliance Report on the Ontario Data Catalogue. In Ontario, all...Resource formats:
- CSV
- XLSX
- ZIP
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Provincial (Stream) Water Quality Monitoring Network
Ministry: Environment, Conservation and Parks
Provides stream water quality monitoring data for a number of parameters, including total and dissolved nutrients, metals, and chloride. The Provincial (Stream) Water Quality...Resource formats:
- CSV
- XLSX
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Visitation to Provincial Parks
Ministry: Environment, Conservation and Parks
This dataset provides annual visitation for all operating provincial parks, including day visitation, camper nights and camping occupancy for July and August. This information...Resource formats:
- XLSX
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Vehicle population data
Ministry: Transportation
The data set contains registered vehicle population count by various criteria such as vehicle class, vehicle status, vechicle make, vehicle model, vehicle year, plate class,...Resource formats:
- ZIP
- WEB
- XLSX
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Police Use of Force Race-Based Data
Ministry: Solicitor General
The Anti-Racism Act, 2017 and its associated regulation and guidance require the Ministry of the Solicitor General to collect and analyze race-based data in police use of force....Resource formats:
- CSV
- XLSX
- 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
- CSV
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Provincial Groundwater Monitoring Network
Ministry: Environment, Conservation and Parks
The Provincial Groundwater Monitoring Network (PGMN) datasets report on ambient (baseline) groundwater level and chemistry conditions. Groundwater monitoring mapResource formats:
- SHP
- ZIP
- XLSX
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Municipal Treated Wastewater Effluent
Ministry: Environment, Conservation and Parks
The flows and effluent quality data is for the parameters of: Biological Oxygen Demand BOD5/CBOD5 Total Suspended Solids (TSS), also described as Residual Particulate Solids...Resource formats:
- XLSX
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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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Annual Air Pollutant Statistics
Ministry: Environment, Conservation and Parks
This dataset provides a summary of annual air pollution statistics from 1995 to the current available year for six air pollutants: Carbon Monoxide Oxides of Nitrogen (NO, NO2,...Resource formats:
- XLSX
- TXT
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Air Quality Stations
Ministry: Environment, Conservation and Parks
The air monitoring stations measure up to 6 common pollutants like: ground-level ozone fine particulate matter nitrogen dioxide carbon monoxide sulphur dioxide total reduced...Resource formats:
- CSV
- ZIP
- TXT
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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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Benthic Invertebrate Neonicotinoid Monitoring Study
Ministry: Environment, Conservation and Parks
The Ministry of the Environment, Conservation and Parks started the Multi-Media Monitoring Study in 2015, in support of Ontario's Pollinator Health Action Plan, to measure...Resource formats:
- CSV
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Occupational health and safety field visits, workplaces visited, and orders issued
Ministry: Labour, Immigration, Training and Skills Development
A field visit occurs when a ministry inspector visits a workplace to assess compliance with the Occupational Health and Safety Act (OHSA) and regulations. A workplace is...Resource formats:
- XLSX
- CSV
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School board financial reports (estimates, revised estimates and financial statements)
Ministry: Education
Includes financial data of school boards including revenues (e.g. ministry grants, grants from other ministries, education property taxes) and expenses (e.g. classroom...Resource formats:
- ZIP
- CSV
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Water Chemistry (Great Lakes Nearshore Areas)
Ministry: Environment, Conservation and Parks
Data is collected each year, according to the lake-by-lake cycle. Information includes: water chemistry approximately 80 index and reference stations throughout the Great Lakes...Resource formats:
- XLSX
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Ontario Benthos Biomonitoring Network
Ministry: Environment, Conservation and Parks
Get data describing benthic-invertebrate (bottom dwelling aquatic invertebrates) community structure and habitat conditions in various waterbodies. This dataset includes:...Resource formats:
- ZIP