Hawkesbury-Nepean River

The NSW Office of Water manages groundwater and surface water resources in various basins and catchments throughout the state.

Find out about the water resources and water management issues, including real-time water data in all New South Wales catchments including these major areas:

Catchment snapshots

Find out about your catchment in New South Wales, by selecting from the snapshot page links listed in the table below.

NSW Catchment snapshots
Barwon-Darling Clyde Karuah Mooni Shoalhaven
Bega Condamine-Culgoa Lachlan Moruya Snowy
Bellinger East Gippsland Lake George Murray Riverina Towamba
Benanee Georges Lower Darling Murrumbidgee Tuross
Border Rivers Gwydir Macleay Namoi Tweed
Brunswick Hastings Macquarie-Bogan North-western NSW Upper Murray
Castlereagh Hawkesbury-Nepean Macquarie Tuggerah Paroo Warrego
Clarence Hunter Manning Richmond Wollongong

Find your catchment

Go to your location on the map below, and click to read the relevant catchment snapshot. To explore your catchment in detail at street level, via satellite, terrain or 3D images, view larger map. Please note the boundaries shown are a guide only.


View Larger Map

Monitoring, evaluation and reporting

The NSW Office of Water plays an important role in researching and reporting on rivers, groundwater and catchment health. Find out more about the health of catchments throughout NSW on this website at Water management > Monitoring > Catchments.

Catchment descriptions

NSW Office of Water is currently developing detailed catchment description reports, initially for the major inland regulated river valleys and later covering the whole state. The reports include information such as climate, hydrology, environmental aspects, land use, water resources, regulating structures and water resource management.