Hydrologic Soil Groups (HSG) of NSW

Brief description

This map provides an estimation of Hydrologic Groups of soils in NSW according to the four class system (A-D)\r\n\r\n* A — soils having __high infiltration__ rates, even when thoroughly wetted and consisting chiefly of deep, well to excessively-drained sands or gravels. These soils have a high rate of water transmission and have low water run-off potential.\r\n\r\n* B — soils having __moderate infiltration__ rates when thoroughly wetted and consisting chiefly of moderately deep to deep, moderately fine to moderately coarse textures. These soils have a moderate rate of water transmission.\r\n\r\n* C — soils having __slow infiltration__ rates when thoroughly wetted and consisting chiefly of soils with a layer that impedes downward movement of water, or soils with moderately fine to fine texture. These soils have a slow rate of water transmission.\r\n\r\n* D — soils having __very slow infiltration__ rates when thoroughly wetted and consisting chiefly of clay soils with a high swelling potential, soils with a permanent high water table, soils with a claypan or clay layer at or near the surface, and shallow soils over nearly impervious material. These soils have a very slow rate of water transmission.\r\n\r\nThe map uses the best available soils mapping coverage and was derived from a lookup table system linking a Hydrologic Group class to a particular soil type using the Great Soil Group (GSG) classification. Each dominant GSG has been assigned a Hydrologic Soil Group.\r\n\r\nThe classification is based on the United State's Hydrologic Soil Group system published within the National Engineering Handbook (2007).\r\n\r\n__Online Maps:__ This dataset can be viewed using eSPADE (NSW’s soil spatial viewer), which contains a suite of soil and landscape information including soil profile data. Many of these datasets have hot-linked soil reports. An alternative viewer is the SEED Map ; an ideal way to see what other natural resources datasets (e.g. vegetation) are available for this map area.\r\n\r\n__Reference:__ Department of Planning, Industry and Environment, 2021, _Hydrologic Soil Groups of NSW_, Version 4.5, NSW Department of Planning, Industry and Environment, Parramatta.

Full description

Show on SEED Web Map
Data quality statement
Show on eSPADE Web Map
Hydrologic Soil Group data package
Land and soil information web page
DPIE's Land and soil website
ArcGIS REST Map Services
Web Map Service (WMS)
KML Service