Catchment Management Authority Boundaries for Victoria, Australia

Indicative boundaries for Victoria's Catchment Management Authorities, established in 1997 under the Catchment and Land Protection Act. The layer is maintained by the Department of Energy, Environment and Climate Action and was last updated in June 2026. It represents a whole-catchment approach to natural resource management, with boundaries aligning to waterway management districts.

Use Cases

• Map regional administrative boundaries for natural resource management based on the described CMA regions.
• Analyze the spatial relationship between catchment authorities and waterway districts based on the 2021 boundary realignment.
• Conduct historical analysis of catchment governance based on the 1997 establishment date and subsequent amendments.

Strengths

• Spatial accuracy is specified as +/- 100 metres for 80% of the time.
• Boundaries have been updated through 2026, including a 2021 realignment following an authority amalgamation.
• Available in multiple geospatial formats including SHP, GDB, WFS, and WMS.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• The description explicitly states the data is indicative and should not be used for operational funding decisions.

Provenance

Source

Department of Energy, Environment and Climate Action

Collection Method

Derived from CALP100.

Time Range

Boundaries reflect amendments from 2014 and 2021, with origins in 1997.

Freshness

Last updated 2026-06-15 01:06:32.693639; freshness should be verified.

Geography

Victoria, Australia.