Datasets

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30 total datasets found
Access level:

Topics: watershed (6) EMRB (15) water (24)

Showing datasets with access level:

  • 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
    • PDF

  • 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
    • PDF
    • CSV
    • SHP

  • 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:

    • ZIP
    • SHP
    • PDF

  • 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:

    • PDF
    • CSV
    • XLSX
    • ZIP

  • Ontario water and weather monitoring stations

    Ministry: Natural Resources and Forestry

    Point locations of water and weather monitoring stations used by the Surface Water Monitoring Centre to assess flood and drought conditions across Ontario. Monitoring station...

    Resource formats:

    • SHP

  • Provincial Watersheds, Historical

    Ministry: Natural Resources and Forestry

    Note: This data has been replaced by the Ontario Watershed Boundaries (OWB). We are no longer updating this data. It is best suited for historical research and analysis. A...

    Resource formats:

    • ZIP
    • PDF

  • 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
    • PDF

  • 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
    • PDF

  • 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

  • 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

  • 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
    • PDF

  • 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
    • PDF

  • 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
    • PDF

  • 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 map

    Resource formats:

    • SHP
    • ZIP
    • XLSX
    • PDF

  • 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:

    • ZIP
    • PDF
    • XLSX

  • 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:

    • ZIP
    • PDF

  • 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
    • PDF
    • XLSX

  • Water Chemistry (Great Lakes Nearshore Areas)

    Ministry: Environment, Conservation and Parks

    Data is collected each year, according to the lake-by-lake cycle. Information includes: water chemistry physical conditions including light profiles approximately 80 index and...

    Resource formats:

    • PDF
    • ZIP
    • CSV

  • 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
    • PDF

  • Water Taking

    Ministry: Environment, Conservation and Parks

    Volumes of water taken daily and annually under a Permit-to-Take-Water, as reported to the ministry under the Water Taking and Transfer Regulation 387/04. The Ontario Water...

    Resource formats:

    • CSV
    • XLSX
    • PDF