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Polygon features delineating potential source areas for drinking water systems in British Columbia, as defined by the Drinking Water Protection Act. This dataset, published by the Government of British Columbia, is one of three related datasets on drinking water sources and was last updated in April 2026. Source areas likely represent entire aquifers or upstream watersheds, though hydrologic connectivity is not guaranteed.
Data is provided in geospatial service formats (WMS, KML, ESRI REST) rather than a simple tabular file.