Datasets
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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:
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- CSV
- SHP
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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:
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- XLSX
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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
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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:
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- SHP
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Ontario Benthos Biomonitoring Network
Ministry: Environment, Conservation and Parks
Get data describing benthic-invertebrate (bottom dwelling aquatic invertebrates) community structure and habitat conditions in various waterbodies. This dataset includes:...Resource formats:
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Inland Lakes and Streams – Water Chemistry
Ministry: Environment, Conservation and Parks
This data set includes information on water quality of lakes and streams across Ontario since 1976. It includes: major anions and cations nutrients chlorophyll metals Data...Resource formats:
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Inland Lakes and Streams – Physical Conditions
Ministry: Environment, Conservation and Parks
Data on physical conditions in Ontario’s lakes and streams: For lakes this includes measurements such as temperature, dissolved oxygen levels and water transparency, ice dates,...Resource formats:
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- XLSX
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Water quantity vulnerability indicators
Ministry: Natural Resources and Forestry
The data set estimates the vulnerability index for the Water Survey of Canada’s HYDAT gauges in the Southwestern Hudson Bay and the Nelson River watershed systems in Ontario....Resource formats:
- ZIP
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Runoff coefficient for southwestern Hudson Bay and Nelson River watershed system
Ministry: Natural Resources and Forestry
The data set represents the annual and monthly (July, August and September) runoff coefficient for each of the Water Survey of Canada’s HYDAT stream gauges of the Southwestern...Resource formats:
- ZIP