Maritime Coastal Basin Long-term Water Quality Monitoring Data

Long-term freshwater quality monitoring data for sites in the Maritime Coastal basin for the past 15 years or longer for nutrients, metals, major ions, and other physical-chemical variables are included in this dataset. Monitoring is conducted by Environment and Climate Change Canada (ECCC) and Parks Canada as well as through the Canada-New Brunswick Water Quality Monitoring Agreement, the Canada-PEI Water Annex, and through collaborative work with the province of Nova Scotia to assess water quality status and long-term trends, detect emerging issues, establish water quality guidelines and track the effectiveness of remedial measures and regulatory decisions. Most recent data can be downloaded from the following link: http://data.ec.gc.ca/data/substances/monitor/national-long-term-water-quality-monitoring-data/maritime-coastal-basin-long-term-water-quality-monitoring-data/$3lang=en

Data and resources

Additional information

DOIhttps://doi.org/10.25976/6761-tk42
Temporal extent2000-01-03 – 2025-11-13
Date (publication)2019-01-24
Date (revision)2026-03-27
StatusonGoing
Update frequencyunknown
Metadata languageen
LicenseOpen Government Licence 2.0 (Canada)
Source metadataISO 19115 XML
Last updated2026-07-31
Created2026-07-31
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