NSW Hydrographic Areas: Waterbodies and Watercourses in New South Wales

NSW Water Theme - Hydro Area is a polygon feature class defining hydrographic feature types for New South Wales, Australia. Spatial Services (DCS) continuously updates this theme with information from stakeholders, data verification, and aerial imagery. The dataset was last updated on 2026-04 08.

Use Cases

• Model water resource availability based on waterbody and watercourse classifications.
• Support emergency management and hazard mitigation based on hydrological feature locations.
• Inform environmental planning and monitoring based on perennial and non-perennial water area data.
• Contribute to climate change and natural resource assessments based on the geospatial fabric of water features.

Strengths

• Data is continuously updated by Spatial Services through multiple sources including aerial imagery.
• Forms the NSW component of the Australian Hydrological Geospatial Fabric, a critical national system.
• Feature class includes detailed classifications such as perennial, non-perennial, or mainly dry.

Limitations

• The service is scheduled for retirement, requiring users to transition to a new GDA2020 service.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Spatial Services (DCS)

Collection Method

Updated with information from stakeholders, data verification from other databases, research, and aerial imagery.

Time Range

null

Freshness

Last updated 2026-04-08 19:12:02.511345; freshness should be verified.

Geography

New South Wales, Australia