Datasets
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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
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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
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Provincial (Stream) Water Quality Monitoring Network
Ministry: Environment, Conservation and Parks
Provides stream water quality monitoring data for a number of parameters, including total and dissolved nutrients, metals, and chloride. The Provincial (Stream) Water Quality...Resource formats:
- CSV
- XLSX
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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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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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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
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Fish Contaminants
Ministry: Environment, Conservation and Parks
Data on fish contaminants is collected across Ontario. Contaminants are chemicals that could be harmful to environment and human health. Toxic contaminants can enter in...Resource formats:
- XLSX
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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
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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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Municipal Treated Wastewater Effluent
Ministry: Environment, Conservation and Parks
The flows and effluent quality data is for the parameters of: Biological Oxygen Demand BOD5/CBOD5 Total Suspended Solids (TSS), also described as Residual Particulate Solids...Resource formats:
- XLSX
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Ontario Lake Partner
Ministry: Environment, Conservation and Parks
Get data about the water quality for Ontario's inland lakes. The data is collected through volunteer monitoring efforts – citizen science. The Lake Partner environment map...Resource formats:
- CSV
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Air Quality Stations
Ministry: Environment, Conservation and Parks
The air monitoring stations measure up to 6 common pollutants like: ground-level ozone fine particulate matter nitrogen dioxide carbon monoxide sulphur dioxide total reduced...Resource formats:
- CSV
- ZIP
- TXT
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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:
- SHP
- ZIP
- XLSX
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Single master gravity and aeromagnetic data for Ontario
Ministry: Energy and Mines
Gravity and aeromagnetic contains ground field reading of gravity strengths and airborne surveys of magnetic strengths from across the province of Ontario. Beginning in 1947,...Resource formats:
- KML
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Aggregate Resources index
Ministry: Energy and Mines
Aggregate Resources contains reports on the nature and extent of sand, gravel and bedrock resources within specific areas across Ontario. Data includes: locations of aggregate...Resource formats:
- KML
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Ambient Groundwater Geochemistry data for southwestern Ontario
Ministry: Energy and Mines
Ambient Groundwater Geochemistry contains detailed inorganic chemistry data collected from over 900 water samples from south-western Ontario. Data includes: well information,...Resource formats:
- KML
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Geotechnical boreholes
Ministry: Energy and Mines
Geotechnical boreholes contains records of boreholes constructed during geotechnical investigations. Data includes: information on the geological stratum identified down each...Resource formats:
- KML
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Borehole
Ministry: Energy and Mines
A borehole is a general term for any narrow shaft drilled in the ground, either vertically or horizontally. A borehole may be constructed for many different purposes, including:...Resource formats:
- ZIP
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Geophysical dataset index
Ministry: Energy and Mines
Geophysical contains boundaries illustrating areas that have published digital data products released by the Ontario Geological Survey. Data includes: locations of published...Resource formats:
- KML
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OGSEarth
Ministry: Energy and Mines
OGSEarth provides data on mining claims, geology, index maps, administrative boundaries and abandoned mines. The data provided by OGSEarth is available in Keyhole Markup...Resource formats:
- WEB