Datasets
Search for specific datasets or use filters to explore our data.
-
Water systems that sought regulatory relief due to COVID-19 pandemic
Ministry: Environment, Conservation and Parks
Ministry of the Environment, Conservation and Parks allowed temporary system-specific regulatory relief to address challenges posed by the pandemic such as operational...Resource formats:
- CSV
-
Ontario Hydro Network - Hydrographic Poly
Ministry: Natural Resources and Forestry
A feature is a representation of a real world object, such as a lake, stream, dam or rapid. There are three hydrographic feature classes: points, lines and polys. All may...Resource formats:
- WEB
- DOCX
-
Ministry of the Environment, Conservation and Park’s Common Service Standards performance results
Ministry: Environment, Conservation and Parks
This dataset contains a yearly comparison summary of MECP's average for meeting the standards. The CSS categories are: telephone in-person e-mail/online mail/fax social...Resource formats:
- XLSX
-
Prescribed Substances under the Toxics Reduction Act
Ministry: Environment, Conservation and Parks
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...Resource formats:
- XLS
-
Ontario Hydro Network - Hydrographic Line
Ministry: Natural Resources and Forestry
A feature is a representation of a real world object, such as a lake, stream, dam or rapid. There are three hydrographic feature classes: points, lines and polys. All may...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
-
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
-
Air Quality Alerts
Ministry: Environment, Conservation and Parks
This dataset summarizes the number of air quality alerts issued to the public for Ontario and by air quality forecast region for individual years to the current available year.Resource formats:
- XLSX
-
Total Active Wastewater Treatment and Wastewater Collection Licenses
Ministry: Environment, Conservation and Parks
This dataset provides a count of the number of wastewater operator licences held in Ontario. • Municipal wastewater facilities and non-municipal domestic wastewater...Resource formats:
- XLSX
-
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