Cairns Regional Council

Environment, Water & Waste

The Cairns Water Supply -

Intended use & users of the product

Component Description

General Intended Use

The treated water product for the Copperlode and Behana systems is intended for the highest use i.e. uses requiring potable quality and intended for the general population. The water is not intended for special industrial, commercial or other uses, such as aquaculture, pharmaceuticals, medical uses and other uses that need water of different quality from potable water.

Water & Waste produces water from the Copperlode and Behana systems that meets the current version of the Australian Drinking Water Guidelines (click to view).


Users

There may be some people for whom ordinary drinking water is unsuitable and such customers are not necessarily the intended users of the water.

There are people (such as the old, young, pregnant or immunocompromised) who are advised to provide additional point-of-use treatment before drinking the water based on specific medical advice and such patients are not necessarily the intended users


Major Supply Systems

Copperlode Falls Dam

Copperlode Falls Dam has a useable capacity when full of 37,100 million litres.

The daily safe yield of the dam is 84 million litres.

 

The safe yield is based on

  • an annual rainfall in the Dam catchment of 2620mm
  • an evaporation rate of 1330mm/year
  • environmental flow requirements
  • losses into the ground

Freshwater Supply System

The Freshwater supply system includes Copperlode Dam, an intake at Crystal Cascades, and piplelines from Crystal Cascades to the Freshwater Treatment Plant at Brinsmead.

Behana Creek Supply System

The Behana Creek supply system includes intakes in the Behana Gorge and a treatment plant.

Minor Supply Systems - Rural Communities

Small supply systems provide for residents south of Aloomba and the Mulgrave Valley. These systems range from bores to creek supplies. Treatment includes mechanical filtration and disinfection with chlorine.

Distribution System

(reservoirs, delivery pipes, meters etc)

The distribution system comprises reservoirs, pipelines, meters, valves, fire hydrants and associated equipment.