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Kaitāia Wastewater Treatment Plant

Kaitāia Wastewater Treatment Plant

The Kaitāia wastewater treatment plant is located adjacent to Awanui River, near Bonnetts Road. This plant treats wastewater from Kaitāia and Awanui, and septic waste transferred by trucks from the northern towns of the Far North District. A portion of this wastewater is the industrial waste generated by Juken New Zealand Ltd (JNL Mill). The plant serves about 2500 properties and processes about 2400 cubic metres of wastewater a day.

Treating the Wastewater

Treatment currently consists of a septage receiving system, an inlet screen, an oxidation pond, two baffled maturation ponds, a floating wetland, and a sludge drying bed. The treatment process takes about 30 days. The treated effluent is discharged to the Awanui River.

Figure 1 Treatment Process at the Kaitaia WWTP.png


Discharges from the wastewater treatment plant are authorised by a resource consent. The resource consent sets out certain conditions, such as the requirement to regularly monitor the treated wastewater. There was three sampling points: at the plant outlet, upstream of the discharge to Awanui River, and downstream of the discharge to Awanui River.

Active projects

  • Discharging Kaitāia’s treated wastewater to land

    The Council currently discharges Kaitāia’s treated wastewater to the Awanui River, and is actively considering an alternative option of discharging to
  • Kaitāia plant upgrade

    The Council proposes to upgrade Kaitāia's wastewater treatment plant to improve the quality of the treated wastewater that is discharged to the Awanui
  • Kaitāia resource consent renewal

    Discharges from the Kaitāia wastewater treatment plant are managed by three discharge consents. An application to renew these consents has been made t

Last updated: 02 Apr 2024 4:34pm