Datasets
Search for specific datasets or use filters to explore our data.
-
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
-
Environmental Penalty Annual Report
Ministry: Environment, Conservation and Parks
The Ministry of the Environment, Conservation and Parks (MECP) publishes an annual report on environmental penalties issued in the previous calendar year. Environmental...Resource formats:
- XLSX
-
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
-
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
-
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
-
Technical Standards Registry - Air Pollution
Ministry: Environment, Conservation and Parks
Access the list of facilities registered to a technical standard to manage industrial air pollution by the Ministry of the Environment, Conservation and Parks.Resource formats:
- CSV
-
Emissions Performance Standards (EPS) Program Aggregated Compliance Data
Ministry: Environment, Conservation and Parks
The Ministry of the Environment, Conservation and Parks Emissions Performance Standards (EPS) program regulates GHG emissions from large facilities in manufacturing, resource...Resource formats:
- XLSX
-
Lake Water Quality at Drinking Water Intakes
Ministry: Environment, Conservation and Parks
This data set includes information on sampling locations, water chemistry and chlorophyll collected at 18 locations in the Great Lakes-St. Lawrence River and 4 locations in Lake...Resource formats:
- XLSX
-
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
-
Renewable Energy Approval Projects
Ministry: Environment, Conservation and Parks
The Renewable Energy Approval Projects (REA Projects) data contains project type, project information, approval status and project county, district or region for projects...Resource formats:
- CSV
-
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
-
Permit to Take Water
Ministry: Environment, Conservation and Parks
Companies or organizations who take over 50,000 litres of water/day from a lake, river, stream or groundwater source, must obtain a Permit to Take Water from the Ministry of the...Resource formats:
- SHP
- XLS
-
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
-
Benthic Invertebrate Community (Great Lakes Nearshore Areas)
Ministry: Environment, Conservation and Parks
This dataset contains information on benthic invertebrate community structure of samples collected from nearshore index monitoring stations within a Great Lake basin each year....Resource formats:
- ZIP
-
Greenhouse Gas Emissions Reporting By Facility
Ministry: Environment, Conservation and Parks
The Ministry of the Environment, Conservation and Parks collects greenhouse gas emissions data from regulated facilities under Ontario Regulation 390/18: Greenhouse Gas...Resource formats:
- CSV
- XLS
-
Industrial Wastewater Discharges
Ministry: Environment, Conservation and Parks
Industrial wastewater monitoring data submitted quarterly to the Ministry of the Environment. This reporting is required by the Effluent Monitoring and Effluent Limits...Resource formats:
- XLS
- XLSX
-
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
-
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
-
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 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