Potential phone delays

10:00AM 07 Jun 2023

Thanks for your patience if you experience a delay when ringing our call centre. Please email us on enquiries@npdc.govt.nz or drop into one of our offices. 

Rārangi hua kua whakaaetia

Approved products list

Below is a list of approved products you can use with our water, wastewater and stormwater networks. If you have any questions please contact us.

Water approved products

Stormwater approved products

# Trunk mains:- larger than 300mm (These to be specifically approved and specified by the Council.)
# Reticulation mains:- 150mm
# Lateral connection:- 100mm
# Rising main:-  min 63mm

Wastewater approved products