Quebec Watershed Boundaries for the Great Lakes and St. Lawrence River Basin Agreement

The Government and Municipalities of Québec provides this geospatial dataset representing the Quebec territory covered by the Agreement on Sustainable Water Resources of the Great Lakes and St. Lawrence River Basin. It delineates watershed boundaries at a cartographic scale of 1:20,000. The dataset was last updated on April 22, 2026.

Use Cases

• Delineate jurisdictional boundaries for water governance based on the described watershed grouping.
• Map the spatial extent of the sustainable water resources agreement based on the described territorial limits.
• Perform hydrological modeling and analysis using the 1:20,000 scale watershed boundaries mentioned in the description.

Strengths

• Provides official boundaries for a major international water resource agreement.
• Created at a detailed cartographic scale of 1:20,000.
• Available under a permissive CC-BY-4.0 license.
• Offered in multiple geospatial formats (SHP, GeoJSON, ESRI REST).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and total file size are unknown, which may limit suitability assessment.

Provenance

Source

Government and Municipalities of Québec

Collection Method

Generated from the grouping of watersheds.

Time Range

null

Freshness

Last updated 2026-04-22 17:42:03.584440; freshness should be verified.

Geography

Quebec territory within the Great Lakes and St. Lawrence River Basin.