Lachlan region

About the region

The Lachlan region lies west of the Great Dividing Range in central NSW, extending across 90,000 km² from the Great Dividing Range near Gunning in the east to the junction of the Lachlan and Murrumbidgee Rivers near Oxley in the west.

The region is the traditional lands of the Barkandji, Nari Nari, Ngiyampaa, Wiradjuri and Yita Yita Nations.

The water sharing plans that apply to the surface water and groundwater resources of the Lachlan region are listed below.

View all plans

Water Sharing Plan (WSP)	Supporting documentation	Commence date	Cease date	Prior Water Sharing Plan and status
Lachlan Alluvial Groundwater Sources 2020 Status: In force Lachlan Alluvial Groundwater Sources 2020 – Plan map (WSP048_V1) Lachlan Alluvial Groundwater Sources 2020 – GDE map (GDE014_V1)	Rule summary sheets	July, 2020	June, 2030	Lower Lachlan Groundwater Sources 2003 Status: Replaced Archived background document: N/A Lachlan Unregulated and Alluvial Water Sources 2012 Status: Amended (to remove alluvial water sources) Archived background document (2016)
Lachlan Regulated River Water Source 2016 Status: In force	Changes to the Lachlan Regulated River Water Sharing Plan (December 2022) Compliance with water management principles (December 2022) Changes to the Lachlan Regulated River Water Sharing Plan (August 2023) Compliance with water management principles (August 2023)	July, 2016	June, 2026	This plan has been amended since it commenced. See the NSW Legislation site for details.
Belubula Regulated River Water Sources 2012 Status: In force (with two year extension)	Rule summary sheet Background document (2013) Changes to the Belubula Regulated River Water Sharing Plan (December 2022) Compliance with water management principles (December 2022) Changes to the Belubula Regulated River Water Sharing Plan (August 2023) Compliance with water management principles (August 2023)	October, 2012	June, 2025	This plan has been amended since it commenced. See the NSW Legislation site for details.
Lachlan Unregulated River Water Sources 2012 Status: In force (with two year extension) Lachlan Unregulated River Water Sources 2012 – Plan map (WSP024_V3)	Rule summary sheets Background document (2012) Changes to the Lachlan Unregulated River Water Sharing Plan (December 2022) Compliance with water management principles (December 2022)	September, 2012	June, 2025	This plan has been amended since it commenced. See the NSW Legislation site for details Lachlan Unregulated and Alluvial Water Sources 2012 Status: Amended (to remove alluvial water sources)
NSW Murray–Darling Basin Fractured Rock Groundwater Sources 2020 Status: In force Murray Darling Basin Fractured Rock Groundwater Sources 2020 – Plan map (WSP012_V3) Murray Darling Basin Fractured Rock Groundwater Sources 2020 – GDE map (GDE024_V3)	Rule summary sheets Compliance with Water Management Principles (December 2021) Compliance with Water Management Principles (May 2022)	July, 2020	June, 2030	This plan has been amended since it commenced. See the NSW Legislation site for details. NSW Murray–Darling Basin Fractured Rock Groundwater Sources 2011 Status: Replaced Archived background document (2012)