Description

This dataset contains measurements of pesticide concentrations in stream water samples collected at selected streams in Ontario. The Ministry of the Environment, Conservation and Parks (MECP) and Ontario Ministry of Agriculture, Food and Agribusiness (OMAFA) jointly collaborate to monitor pesticides in selected tributaries in southern Ontario. There are currently 19 monitoring sites within watershed or predominately agricultural land. The data includes: * Location of 21 stations (19 of which are currently active) * Pesticide concentration levels Keywords: pesticides, pollution

Resources

Name	Format	Description	Link
Original metadata (https://data.ontario.ca)	HTML		https://data.ontario.ca/dataset/c615d2b7-f8e4-49c0-ab2c-2274b70146e9
Original metadata (https://data.ontario.ca/fr)	HTML		https://data.ontario.ca/fr/dataset/c615d2b7-f8e4-49c0-ab2c-2274b70146e9
Coordinates	xlsx		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Coordinates.xlsx
Data 2019	xlsx		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Data_2019.xlsx
Limits of Detection and Quantification	xlsx		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Limits_of_Detection_and_Quantitation_2025.xlsx
Data 2020	CSV		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Pesticide_Conc_Streams_Data_2020.csv
Data 2021	CSV		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Pesticide_Conc_Streams_Data_2021.csv
Data 2022	CSV		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Pesticide_Conc_Streams_Data_2022.csv
Data 2023	CSV		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Pesticide_Conc_Streams_Data_2023.csv
Data 2024	CSV		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Pesticide_Conc_Streams_Data_2024.csv
Data 2025	CSV		https://files.ontario.ca/moe_mapping/downloads/2Water/Pesticide/Pesticide_Conc_Streams_Data_2025.csv
Metadata	PDF		https://files.ontario.ca/moe_mapping/downloads/metadata/opendata/Pesticide_Conc_In_Stream_Water_metadata_EN_2026.pdf
Metadata	PDF		https://files.ontario.ca/moe_mapping/downloads/metadata/opendata/Pesticide_Conc_In_Stream_Water_metadata_FR_2026.pdf

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