Gnangara Groundwater Protection Policy Spatial Planning Data

State Planning Policy 2.2 provides spatial guidance for land use and development over the Gnangara groundwater mound to protect drinking water quality. The policy defines Priority 1, 2, and 3 source protection areas and underground water pollution control zones. It is authored by the Department of Planning, Lands and Heritage and was last updated in March 2026.

Use Cases

• Analyze land use compatibility within Priority 1, 2, and 3 source protection areas for rezoning applications.
• Map underground water pollution control areas to assess development impacts on groundwater quality.
• Model spatial constraints for subdivision proposals based on policy area classifications to protect drinking water supply.

Strengths

• Policy is actively maintained, with a last update date of March 2026.
• Data is provided in multiple spatial formats including GeoJSON, SHP, and Geopackage for interoperability.
• Originates from the authoritative state Department of Planning, Lands and Heritage.

Limitations

• No quantitative data on rows, columns, or sample size is provided for assessing dataset scale.
• The description is policy-focused; specific analytical features like contaminant levels or well locations are not detailed.
• Data access requires acceptance of a custom active license, which may impose specific use conditions.

Provenance

Source

Department of Planning, Lands and Heritage

Collection Method

null

Time Range

null

Freshness

Last updated 2026-03-24.

Geography

Gnangara groundwater mound policy area, Western Australia