Datasets
Search for specific datasets or use filters to explore our data.
-
Tables of Drinking Water Threats
Ministry: Environment, Conservation and Parks
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...Resource formats:
- XLSX
-
Ontario Hydro Network - Watercourse
Ministry: Natural Resources and Forestry
Watercourses are line features - natural or manmade - that represent the location of flowing surface water. This product requires the use of geographic information system (GIS)...Resource formats:
- WEB
- DOCX
-
Office of the Registrar General Annual Report
Ministry: Public and Business Service Delivery and Procurement
The Office of the Registrar General (ORG), under the Ministry of Public and Business Service Delivery and Procurement, is dedicated to delivering secure, accurate and accessible...Resource formats:
-
Lake Ontario Downstream Tributary Water Chemistry Monitoring
Ministry: Environment, Conservation and Parks
From 2018 to 2023, ministry staff collected water quality samples year-round from seven rivers that flow into Lake Ontario in the Greater Toronto Area. They did this to...Resource formats:
- XLSX
-
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
-
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
-
Oak Ridges Moraine: planning area
Ministry: Municipal Affairs and Housing
This dataset was created to establish a permanent boundary. Lands within this boundary are subject to the principles contained in the Oak Ridges Moraine Legislation. Boundary is...Resource formats:
- DOCX
-
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
-
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
-
Niagara Escarpment Plan policy area
Ministry: Natural Resources and Forestry
The Niagara Escarpment Special Policy Area is comprised of the North Aldershot Policy Area and the Waterdown Policy Area. More informationResource formats:
- WEB
- DOCX
-
Ontario radar digital surface model
Ministry: Natural Resources and Forestry
The Ontario Radar Digital Surface Model (DSM) has the following features: source data: 1 arc second spaceborne C-Band Interferometric Synthetic Aperture Radar (IFSAR) data...Resource formats:
- WEB
- ZIP
-
Environmental Occurrences and Spills
Ministry: Environment, Conservation and Parks
This dataset consists of information from reports received by the Spills Action Centre (SAC). They are generated and completed by SAC following the initial report of a spill....Resource formats:
- CSV
- XLSX
-
Well Records
Ministry: Environment, Conservation and Parks
This dataset provides information submitted by well contractors as prescribed by Regulation 903, and is stored in the Water Well Information System (WWIS). Spatial information...Resource formats:
- ZIP
- SHP
-
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
-
Forest Insect Damage Event
Ministry: Natural Resources and Forestry
Shows areas where forest insect pests have damaged or killed trees by defoliation, foliage mining and wood boring. Tree mortality rarely occurs as the result of one year's...Resource formats:
- WEB
- DOCX
-
Natural heritage system areas
Ministry: Natural Resources and Forestry
This dataset shows the boundaries of systems of natural heritage features and areas, lands and waters that support connectivity and have significant ecological value. It...Resource formats:
- WEB
- DOCX
-
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
-
Petroleum Crown Lake Grid
Ministry: Natural Resources and Forestry
This information is used to manage oil and gas rights on offshore Crown lands in Ontario. A grid system of blocks and tracts is used to divide the area. 1 block = 5 minute...Resource formats:
- WEB
- DOCX
-
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:
- WEB
- DOCX
-
Ontario Elevation Data Index
Ministry: Natural Resources and Forestry
Elevation data is the representation of the height of the ground at a location on earth. This data allows users to discover the extent of elevation products, and the metadata...Resource formats:
- WEB