Split Rock Dam

Split Rock Dam

Location

  • 28 kilometres north of Manilla, NSW Australia
  • On the Manilla River in the Namoi Valley
  • Google maps 

Construction

Description

  • Minor ungated dam
  • Spillway - Ungated concrete chute
  • Wall - Concrete faced rock fill

Usage

  • Environmental
  • Irrigation
  • Stock and domestic
  • Town water
  • Water conservation

Dimensions

  • Catchment - 1,650 square kilometres
  • Crest length - 456 metres
  • Surface area - 2,150 hectares
  • Wall height - 66 metres 

Capacity

  • Outlet - 6,048 megalitres per day
  • Power station - 2 megawatts
  • Spillway - 720,000 megalitres per day
  • Storage - 397,370 megalitres

More information

Visit NSW Water Information to find out more about:

  • Historic data
  • Storage levels
  • Storage water quality
  • Weekly storage reports