Datasets
Search for specific datasets or use filters to explore our data.
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Multi-Watershed Nutrient Study
Ministry: Environment, Conservation and Parks
The Multi-Watershed Nutrient Study collected stream water samples from 11 small agricultural watersheds between 2014 and 2020. Samples were collected during flow events like...Resource formats:
- ZIP
- CSV
- SHP
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Ontario Cage Aquaculture Water and Sediment Quality
Ministry: Environment, Conservation and Parks
This dataset contains measurements of water (chemistry and algal pigments) and sediment (chemistry and size fraction) quality in nearshore areas of Lake Huron surrounding cage...Resource formats:
- CSV
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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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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
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Ontario Hydro Network - Hydrographic Line
Ministry: Natural Resources
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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Prescribed Substances under the Toxics Reduction Act
Ministry: Environment, Conservation and Parks
The Toxics Reduction Act aims to protect the health of people and the environment by reducing the use and emission of the toxic substances prescribed in this list. The Toxics...Resource formats:
- XLS
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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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Toxics Reduction Act – Living List Status of Nominations
Ministry: Environment, Conservation and Parks
The Toxics Reduction Act requires the ministry to consult with experts and the public at least once every five years about possible changes to the lists of substances that are...Resource formats:
- XLS
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Ontario Hydro Network - Shoreline
Ministry: Natural Resources
The Ontario Hydro Network (OHN) is a provincial medium scale originating from data with regional scales of 1: 10,000 in Southern Ontario, 1: 20,000 in Northern Ontario and 1:...Resource formats:
- WEB
- DOCX
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Ontario Hydro Network - Hydrographic Point
Ministry: Natural Resources
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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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