Lake Rowlands Dam to Carcoar Dam pipeline

Lake Rowlands Dam to Carcoar Dam pipeline

About the project

WaterNSW has been engaged by the Department of Planning Industry and Environment to prepare a Detailed Business Case to explore the option of building a 12km pipeline from the Central Tablelands Water-operated Lake Rowlands Dam to the larger WaterNSW-operated Carcoar Dam.  This follows recommendations by Infrastructure NSW in the 2018 State Infrastructure Strategy and WaterNSW’s Lachlan Valley Water Security Study.

The Detailed Business case for the Lake Rowlands to Carcoar pipeline will be developed to align with the Lachlan Regional Water Strategy which is currently under development. The Lachlan Regional Water Strategy will identify policy, planning and infrastructure options that deliver resilient water resources for all water users in the Lachlan catchment. The Detailed Business Case and the Lachlan Regional Water Strategy are supported through funding from the Snowy Hydro Legacy Fund.

The proposed two-way pipeline will transfer water from Lake Rowlands Dam to Carcoar Dam when appropriate volumes are available.  This will result in more efficient storage of available water and increase operational flexibility.

The development of the Detailed Business Case will involve stakeholder consultation, as well as comprehensive environmental and engineering studies.  These studies will begin in the third quarter of 2019 and extend for around 9 months. Outcomes of this study will be included in the Detailed Business Case and submitted to Infrastructure NSW as part of the NSW Gateway process.


  • Achieving the primary water security objectives in the Lachlan Valley
  • Providing benefits to customers
  • Informing key stakeholders so they remain informed as the project progresses
  • Easing the future impact on existing customers’ water prices
  • Providing a greater level of water security

Project Schedule

  • Mid to late 2019: Field investigations
  • Late 2019: Concept design and REF
  • Mid 2020: Detailed concept design and Business Case


Media Releases

Contact Details

For more information about the project or to enquire about any of the project activities contact us or call 1300 662 007

Project Manager: Andrew Lavelle

NSW Government

This project is supported by the Department of Planning Industry and Environment.


Sunday 26 January
1,100,178 ML
2,596,150 ML
8,216 ML
1,174 ML
-7,051 ML
Sunday 26 January