Special and Controlled Areas in the Sydney Water Catchment

Spatial Services (DCS) provides a geospatial dataset of Special and Controlled Areas designated under the Sydney Water Catchment Management Act 1998. The dataset covers approximately 364,000 hectares of land around water storages supplying Sydney, the Illawarra, Blue Mountains, Southern Highlands, and Shoalhaven regions. It was last updated on 2026-05-17.

Use Cases

• Map public access restrictions based on the three defined protection zones (Special Areas - no entry, Controlled Areas - no entry, Special Areas - restricted entry).
• Analyze land use for water quality protection based on the coverage of unspoilt native bushland around water infrastructure.
• Identify permissible activities within protected zones based on described restrictions on vehicles, pets, and firearms.

Strengths

• Covers approximately 364,000 hectares of land.
• Defines three distinct protection zones with specific activity restrictions.
• Originates from an authoritative government source (Spatial Services, DCS).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Freshness should be verified despite the 2026 update date.

Provenance

Source

Spatial Services (DCS)

Freshness

Last updated 2026-05-17 18:26:54.490098

Geography

Sydney, Illawarra, Blue Mountains, Southern Highlands, and Shoalhaven regions, New South Wales, Australia