Drinking Water Protection Zones for British Columbia Water Systems

Polygon features delineating zones where protection measures should be considered around drinking water intakes and wellheads in British Columbia. This dataset is part of a three-dataset series on drinking water sources, maintained by the Government of British Columbia and last updated in April 2026. The zones are defined based on factors like population and hydrogeology, but do not indicate implemented measures.

Use Cases

• Spatial risk assessment for land-use planning based on proximity to drinking water sources.
• GIS analysis of watershed vulnerability based on described hydrogeologic parameters.
• Regulatory compliance mapping for activities near water intakes based on protection zone boundaries.
• Integrating protection zones with intake point data using the unique Protection Zone IDs mentioned.

Strengths

• Part of an integrated three-dataset series, allowing relational analysis with intake points and source areas.
• Maintained by the Government of British Columbia, suggesting authoritative sourcing.
• Polygons are uniquely identified with Protection Zone IDs for linking to related datasets.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The description notes that zones do not confirm implemented protection measures, which is a key semantic limitation.

Provenance

Source

Government of British Columbia

Collection Method

Delineated based on reports using methods considering population, vulnerability, and hydrologic parameters.

Time Range

null

Freshness

Last updated 2026-04-22 19:01:49.582761; freshness should be verified.

Geography

British Columbia, Canada