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Auckland Council
Water conservation efforts
More How we are reducing water usage across the Auckland region. Learn moreWater conservation efforts

Water projects

Ngā kaupapa ā-wai Tahua Pūtea 10-tau 2018-2028

Western isthmus

Project cost


This programme will improve beach water quality in the Waitematā harbour and help to reduce volumes of waste water going to the Manukau Harbour.

Work for this will include:

  • new stormwater pipes
  • a Waterview stormwater separation
  • the St Marys Bay overflow diversion project
  • water quality improvements across the western suburbs.


Contaminant reduction programme

Project cost


This project aims to reduce the amount of litter and road pollutants flowing into stormwater drains to improve water quality in our harbours and beaches.

It will also target the volume of sediment slipping into our waterways.

Urban and rural stream rehabilitation programme

Project cost


A programme to improve the ecological health of our streams through riparian planting to create improved habitats and minimise stream erosion.

Septic tank and on-site wastewater programme

Project cost


An improved compliance programme to ensure wastewater systems are regularly inspected and maintained to reduce the amount of waste water entering our waterways to help improve water quality.

Safe Networks

Project cost


A programme of investigative work to establish the sources of plumbing defects and illegal connections causing contamination of our beaches through our networks.