-
Ontario Digital Surface Model (Imagery-Derived)
The Ontario Digital Surface Model (Imagery-Derived) is a raster elevation product that was generated from the elevation point clouds created via pixel-correlation from aerial... -
Ontario Lake Partner
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 The... -
Bumble Bee Diversity and Abundance Survey
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... -
Lake St Clair Water Quality
This dataset provides water quality analyses of lake surface samples and river samples collected throughout the ice-free season (May/June to October) from 2016 to 2019 from the... -
Municipal Treated Wastewater Effluent
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... -
Inland Lakes and Streams – Physical Conditions
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... -
Industrial Wastewater Discharges
Industrial wastewater monitoring data submitted quarterly to the Ministry of the Environment. This reporting is required by the Effluent Monitoring and Effluent Limits... -
Tables of Drinking Water Threats
We've made tables that include the 21 drinking water quality threat activities, set out in O. Reg. 287/07, which may pose a risk to a municipal drinking water supply. The tables... -
Non-government agency Nature Reserve
Non-government agency Nature Reserves are polygon features describing lands held by nature trusts and other non-government agencies for the purpose of nature conservation. We... -
Honey bee pests and pathogens in Ontario apiaries
Get data on pests and pathogens measured in honey bee apiaries in Ontario. The Ontario government conducted a multi-year monitoring project from 2015 to 2019 to create an... -
Water systems that sought regulatory relief due to COVID-19 pandemic
Ministry of the Environment, Conservation and Parks allowed temporary system-specific regulatory relief to address challenges posed by the pandemic such as operational... -
Licensed Toxics Planners
Data contains toxics planner's license number, expiration date, name, contact information and location. Proposed Changes to the Toxic Reduction Program We are proposing changes... -
Emissions Performance Standards (EPS) Program Aggregated Compliance Data
The Ministry of the Environment, Conservation and Parks Emissions Performance Standards (EPS) program regulates GHG emissions from large facilities in manufacturing, resource... -
Ring of Fire Environmental Monitoring
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... -
Climate data – High Resolution Projections
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... -
Drinking Water Quality and Enforcement
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... -
Fish Contaminants
Data on fish contaminants is collected across Ontario. Contaminants are chemicals that could be harmful to environment and human health. Toxic contaminants can enter in... -
Provincial Watersheds, Historical
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...