Datasets
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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
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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
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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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Source Protection Area Generalized
Ministry: Environment, Conservation and Parks
A source protection area (SPA) is an area of land and water governed by a Source Protection Authority, an agency, person or body. This dataset defines the geographic boundaries...Resource formats:
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Greenhouse Gas Emissions by Sector
Ministry: Environment, Conservation and Parks
The data sets show historical greenhouse gas emissions and emission changes for selected years, in megatonnes of CO2 equivalent. Historical estimates are based on Environment...Resource formats:
- ZIP
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Caribou Range Boundary
Ministry: Environment, Conservation and Parks
Shows areas where the health and prevalence of caribou can be linked to the attributes of the land that supports them. Ontario's Woodland Caribou Recovery Strategy (2008)...Resource formats:
- SHP
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Provincial Park Regulated
Ministry: Environment, Conservation and Parks
Ontario provincial parks are classified as one of the following : Wilderness Nature Reserve Cultural Heritage Natural Environment Waterway Recreational These parks are managed...Resource formats:
- SHP
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Soil 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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Risk Management Measures Catalogue
Ministry: Environment, Conservation and Parks
The catalogue provides a means for a user to determine which management measures and management targets are suitable to effectively manage a specific threat to the quality or...Resource formats:
- XLSX
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Lake St Clair Water Quality
Ministry: Environment, Conservation and Parks
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...Resource formats:
- CSV
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Lake Simcoe Monitoring
Ministry: Environment, Conservation and Parks
The Lake Simcoe lake monitoring program provides measurements of chemical and physical water quality limits such as total phosphorus, nitrogen, chlorophyll a, pH, alkalinity,...Resource formats:
- ZIP
- SHP
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List of Licensed Laboratories
Ministry: Environment, Conservation and Parks
This is a list of licensed and out-of-province eligible laboratories that can test Ontario drinking water. Prior to submitting samples, please contact the licensed laboratory to...Resource formats:
- CSV
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Ontario Forest Biomonitoring Network
Ministry: Environment, Conservation and Parks
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:...Resource formats:
- SHP
- XLSX
- TXT
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Ontario Landfills
Ministry: Environment, Conservation and Parks
This is a listing of approved landfills in Ontario. Here you will find basic information on Ontario’s landfills including: Environmental Compliance Approval (ECA) number...Resource formats:
- CSV
- XLSX
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Climate data – High Resolution Projections
Ministry: Environment, Conservation and Parks
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...Resource formats:
- ZIP
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Conservation Reserve Regulated
Ministry: Environment, Conservation and Parks
Displays areas regulated as a conservation reserve in order to: permanently protect representative ecosystems, biodiversity and significant elements of Ontario's natural...Resource formats:
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Hamilton Harbour Area of Concern (AOC) Monitoring
Ministry: Environment, Conservation and Parks
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...Resource formats:
- XLSX
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Niagara River Caged Mussel Biomonitoring Program
Ministry: Environment, Conservation and Parks
Data are contaminants in tissue of caged mussels put in the river for 3 weeks at about 25 stations located on the Canadian and US side of the river. The main objective of the...Resource formats:
- ZIP
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Lake Simcoe Protection Act Watershed Boundary
Ministry: Environment, Conservation and Parks
This boundary is used in the management of watershed-based planning by the Lake Simcoe Region Conservation Authority (LSRCA). It is used to support the Lake Simcoe Protection...Resource formats:
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Ambient Air Quality Criteria
Ministry: Environment, Conservation and Parks
Access the List of Ambient Air Quality Criteria (AAQC) set by the Ministry of the Environment, Conservation and Parks. An AAQC is not a regulatory value. It is a concentration...Resource formats:
- CSV