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\u00a0    Access API

NSW Water Theme -\nHydro Line

Please Note

WGS 84 = GDA94 service 

This dataset has a spatial reference of [WGS 84 = GDA94] and can NOT be easily consumed into GDA2020 environments. A similar service with a \u2018multiCRS\u2019 suffix is available which can support GDA2020, GDA94 and WGS84 = GDA2020 environments. In due course, and allowing time for user feedback and testing, it is intended that these original services will adopt the new multiCRS functionally. 

\n\n

NSW Hydro Line defines the centreline\nof a water course.\nIt includes features\nsuch as natural water course,\ncanal-drain, race, spill way and tunnel-siphen. It includes key attributes\nsuch as hydro\nline name, perennially and flow direction.

\n\n

Features within the Hydro Line class include:

Watercourse 

\n\n

Watercourse Centre Line

\n\n

Connector

\n\n

Water security is one\nof Australia\u2019s major challenges. Key users of the hydrology data\nare NSW State\nand Local Government agencies as well as Federal Government agencies. These bodies use this data to\nbetter manage State and Local Government assets.

\n
\nThis hydrology data\nprovides\nthe NSW component of the Australian\nHydrological\nGeospatial Fabric which is a critical input to the Australian Water Resources\nInformation System.

\n\n\n\n

More widespread\nuse of the hydrology\ndata is also found in emergency\nmanagement response and recovery efforts,\nhazard mitigation or disaster risk reduction, climate change,\nnatural resource\nassessment,\nenvironmental\nplanning and monitoring, insurance, mining and agriculture.

\n\n

Spatial Services continuously\nupdates this theme with information sourced from relevant stakeholders\nand custodians; by data verification from other internal and external\ndatabases; research and through Spatial Services\u2019 regular cycle of updating\nfrom aerial imagery and elevation data.

\n\n

Metadata

Type  

Esri Feature Service   

Update Frequency  

As required   

Contact Details  

Contact us via the Spatial Services Customer Hub

Relationship to Themes and Datasets  

NSW Water Theme of the Foundation Spatial Data Framework (FSDF)  

Accuracy 

The dataset maintains a positional relationship to, and alignment with, the Lot and Property digital datasets. This dataset was captured by digitising the best available cadastral mapping at a variety of scales and accuracies, ranging from 1:500 to 1:250 000 according to the National Mapping Council of Australia, Standards of Map Accuracy (1975). Therefore, the position of the feature instance will be within 0.5mm at map scale for 90% of the well-defined points. That is, 1:500 = 0.25m, 1:2000 = 1m, 1:4000 = 2m, 1:25000 = 12.5m, 1:50000 = 25m and 1:100000 = 50m. A program of positional upgrade (accuracy improvement) is currently underway.  

Spatial Reference System 
(dataset) 

Geocentric Datum of Australia 1994 (GDA94), Australian Height Datum (AHD)  

Spatial Reference System\u202f\u202f\u202f 
(web service)  

EPSG 4326: WGS84 Geographic 2D  

WGS84 Equivalent To 

GDA94  

Spatial Extent  

Full state  

Standards and Specifications  

Open Geospatial Consortium (OGC) implemented and compatible for consumption by common GIS platforms. Available as either cache or non-cache, depending on client use or requirement.  

Distributors  

Service Delivery, DCS Spatial Services
346 Panorama Ave Bathurst NSW 2795

Dataset Producers and Contributors  

Environmental Spatial Programs, DCS Spatial Services
346 Panorama Ave Bathurst NSW 2795


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