A NSW Government website

Basins and catchments

Catchment snapshots

The department manages groundwater and surface water resources in various basins and catchments throughout the state.

Lake Burragorang Warragamba Catchment Nattai National Park - Image credit:  John Spencer

Learn about catchments in NSW

The department manages groundwater and surface water resources in various basins and catchments throughout the state.

Barwon-Darling

The Barwon-Darling is an unregulated river system which stretches from the Queensland border to the Darling River.

Old bridge over Barwon River in Brewarrina NSW - Image credit: Quentin Jones

Bega

The Bega catchment lies on the NSW far south coast.

Bega River with trees and green area by the riverside - Image credit: Jaime Plaza Van Roon

Bellinger

The Bellinger catchment is on the mid-north coast, and is renowned for its natural beauty.

 A boat on Bellinger River in Bellingen NSW - Image credit Jaime Plaza Van Roon

Benanee

The Benanee catchment borders the Murray and Murrumbidgee river basins.

Lake Benanee with tree skeletons on the lake edge, NSW.

Border Rivers

The Border Rivers catchment lies along the boundary of NSW and Queensland, and contains the Dumaresq, Severn and Macintyre rivers.

Severn River: Image credit -Tanya Weir

Brunswick

The Brunswick catchment is made up of a series of small coastal catchments and contains significant wetland areas.

Aerial view of people fishing near the mouth of the Brunswick River

Castlereagh

The Castlereagh is an unregulated river catchment in central-western NSW.

A sandy bank of the Castlereagh River, Gilgandra. Image credit: Quentin Jones

Clarence

The Clarence catchment is situated around the city of Grafton on the far north NSW coast.

Grafton Bridge over Clarence River - Image credit: Don Fuchs

Clyde

The Clyde catchment is on the NSW south coast, between the Moruya and Shoalhaven catchments.

Bridge over the Clyde River on Princes Highway - Image credit: Jaime Plaza Van Roon

Condamine-Culgoa

The Condamine-Culgoa catchment is on the NSW-Queensland border.

Culgoa River - Image credit: Melissa Hams

East Gippsland

The East Gippsland catchment is largely within north-east Victoria, with a small proportion on the NSW far south coast.

A sandy bank of the Castlereagh River, Gilgandra. Image credit: Quentin Jones

Georges River

The Georges River catchment contains most of Sydney and the Heathcote and Dharawal national parks.

Burrawang Reach picnic area, Georges River National Park.

Gwydir

The Gwydir catchment is in north-eastern NSW. It is surrounded by the Mastermans, Nandewar and Great Dividing ranges.

Gingham Waterhole, Gwydir Wetlands, Northern NSW - Image credit: Sharon Bowen

Hastings

The Hastings catchment is on the NSW mid-north coast between the Manning and Macleay catchments.

Hastings River - Image credit: John Lugg

Hawkesbury-Nepean

The Hawkesbury-Nepean catchment is one of the largest coastal basins in NSW.

Lake Burragorang Warragamba Catchment Nattai National Park- Image credit: John Spencer

Hunter

The Hunter catchment is on the NSW coast, north of Sydney. It contains the state’s second largest city, Newcastle.

Cargo ship on Hunter River Newcastle - Image credit: Jaime Plaza Van Roon

Karuah

Karuah is an unregulated coastal river catchment directly north of the Hunter catchment.

Shores of the Karuah River - Image credit: John Spence

Lachlan

The Lachlan is one of the largest catchments in NSW. It borders on the Murrumbidgee and Darling catchments.

The Lachlan river in the central west of New South Wales.

Lake George

Lake George is a small, internally draining catchment. The lake dries up during dry periods.

Lake George in south-eastern New South Wales.

Lower Darling

The Lower Darling catchment is the portion of the catchment below the Menindee Lakes.

Lake Menindee with trees growing in the water and blue sky.

Macquarie-Bogan

The Macquarie-Bogan is a large catchment with large changes in elevation from north to south.

 A view of the Bogan River at Nyngan in rural New South Wales.

Macquarie Tuggerah

The Macquarie Tuggerah is a small catchment on the NSW Central Coast.

The Entrance bridge over Tuggerah Lake, The Entrance, NSW - Image credit: Don Fuchs

Manning

The Manning is a highly fertile catchment on the NSW mid-north coast.

Manning River, Cundletown.

Mooni

The Mooni catchment lies predominantly in Queensland, with a small portion in NSW.

Flood waters flow down the Mooni River.

Moruya

The Moruya catchment lies on the NSW south coast.

Deua River campground, Deua National Park.

Murray Riverina

The Murray Riverina is the regulated portion of the Murray River in NSW.

 Wetlands Sunset, Mid Murray River - Image credit: John Spencer

Murrumbidgee

The Murrumbidgee is a large catchment in southern NSW.

Birds take flight over Tuckerbil Swamp, Murrumbidgee Valley - Image credit: James Maguire

Namoi

The Namoi lies in north-western NSW, and includes the urban centre of Tamworth.

Namoi River. Gunnedah, NSW - Image credit: Neil Fenelon

North-western NSW

The Barwon-Darling is an unregulated river system which stretches from the Queensland border to the Darling River.

Bulloo River.

Paroo

The Paroo catchment has minimal water extraction, and is an important area for water birds.

Paroo River - Image credit: Joanne Ocock

Richmond

The Richmond catchment extends from the NSW-Queensland border to the ocean at Ballina.

Scenic country views of the Mann River near Cangai.

Shoalhaven

The Shoalhaven is a smaller catchment which transfers water to Sydney through the Shoalhaven Scheme.

Aerial view of Shoalhaven hospital looking west with the sun setting over the Shoalhaven River

Snowy

The Snowy catchment is home to the Snowy Hydro-electric Scheme and the Snowy Mountains.

Snowy River Reflection - Image credit: Vanessa Allen

Towamba

Towamba is a small catchment on the far south coast of NSW.

Merimbula Lake, NSW.

Tuross

The Tuross is a smaller catchment on the NSW south coast.

Aerial view of the Tuross River estuary - Image credit: DPE

Tweed

The Tweed catchment is on the far north NSW coast around the Tweed River.

Tweed River with view onto Wollumbin National Park - Image credit: Don Fuchs

Upper Murray

The Upper Murray catchment is a major contributor to water flows in the Murray River.

Horses cross Swampy Plain River at Geehi Valley Kosciuzko - Image credit: Murray Vanderveer

Warrego

The Warrego is an important catchment for waterbirds in the Murray-Darling Basin.

Warrego wetland walk - Image credit: Melissa Hams

Wollongong

Wollongong is a narrow coastal catchment south of Sydney.

Cabbage Tree Creek in Wollongong - Image credit: Georgia McKeon