Government of Ontario

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, plate declaration, county, weight related class and other vehicle decriptors.

Standards, guidelines and screening levels for assessing point of impingement concentrations of air contaminants Get information on the ministry’s standards, guideline values and screening levels that are used to assess point of impingement concentrations of contaminants released into the air....

This hazardous waste dataset contains spatial information about generators, carriers and receivers of hazardous and liquid industrial waste. Also contains the volumes and characterizations of waste generated and transported as defined by the General Waste Management Regulation 347. The data is...

This dataset includes information on biological communities in lakes and streams across Ontario since 1976. Biological communities sampled include: * crayfish Data were collected as part of routine monitoring of water quality of inland waters and for scientific and research purposes.

Every year, the Ministry of the Environment Conservation and Parks publicly releases the Environmental Compliance Report on the Ontario Data Catalogue. In Ontario, all facilities with regulated wastewater discharges or air emissions under the Ontario Water Resources Act and the Environmental...

Dataset includes 8 water quality surveys conducted between May and September 2021 at 4 stations in Hamilton Harbour by the Ontario Ministry of the Environment, Conservation and Parks (MECP) staff. The 4 stations surveyed by MECP are Environment and Climate Change Canada’s 4 long-term monitoring...

The cosmetic use of pesticides is considered a non-essential use. Ontario bans the cosmetic use of pesticides to protect Ontarians from unnecessary risk by only allowing certain, low-risk pesticides for controlling weeds and pests on lawns and gardens. Pesticides can only be used for cosmetic...

The Ministry of Agriculture, Food and Rural Affairs has created business, agri-food, and farm data profiles for: * each region in the province (Central, Eastern, Western, Southern, and Northern Ontario) * each county within regions * each township within counties * specific geographies in Ontario...

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 Reduction Act requires the Ministry of the Environment, Conservation and Parks to consult with experts and the public at...

The Ministry of the Environment, Conservation and Parks, with assistance from the Ontario Ministry of Agriculture, Food and Rural Affairs, started the Pollen Monitoring Network in 2015, in support of Ontario's Pollinator Health Action Plan. This was to measure changes in pesticide (neonicotinoid...

The Ministry of the Environment, Conservation and Parks (MECP) publishes an annual report on environmental penalties issued in the previous calendar year. Environmental penalties apply to plants in 9 industrial sectors and specific open and closed landfilling sites. The 9 industrial sectors are...

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 considered any land, premises, physical location or thing at, upon, in or near which a worker work.  An inspector may visit the...

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 * Total Phosphorus (TP) * total monthly flow Keywords: Sewage, Effluent, Discharge, Watershed, Waterworks, Water...

The Ontario Forest Biomonitoring Network (OFBN) monitors the health of mixed hardwood forests across southern and central Ontario. The data set includes: * Individual Tree Data: Decline Index and other measurements of visual stress symptoms of each tree within 111 plots * Decline Index: The...

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 watershed, also known as a catchment basin, includes all land that is drained by a watercourse and its tributaries....

The boundaries of provincial park administration zones in Ontario.

A tank is an above ground container that holds either petroleum or water. This data is no longer being updated. It is best suited for historical research and analysis.

The ministry monitors air pollution levels and issues smog advisories when there is strong likelihood that widespread, elevated, and persistent smog levels are expected. This dataset provides a comprehensive summary in excel file format. The dataset includes the forecasts for the regions where a...

This data set includes information on sampling locations and physical conditions in lakes and streams across Ontario. It also includes meteorological conditions from monitoring stations in south-central Ontario. Lakes The data for lakes includes sampling location details and measurements such as:...

The ORN is a provincewide geographic database of over 250,000 kilometres of municipal roads, provincial highways, and resource and recreational roads. The ORN is the authoritative source of roads data for the Government of Ontario. Road names in the ORN are the official names provided by the...