This page contains our most recent versions of standards, specifications and supporting guidance.
Wellington Water reviews and updates these standards on an on-going basis, and we encourage all developments to meet the most recent version where possible.
Regional Standard and Specification for Water Services
The Regional Standard and Specification for Water Services provides a regionally consistent method of design and implementation of stormwater, wastewater and water supply services to meet the outcomes of; safe and healthy water, respectful of the environment and resilient networks support our economy. Read more
Approved Products Register
The Approved Products Register lists products that are approved for use in the Lower Hutt, Upper Hutt, Wellington, Porirua and South Wairarapa public water supply and drainage infrastructure projects. Read more
Electrical Specifications Parts 1 through 4
The following electrical specifications can be downloaded:. Read more
Water supply shutdowns
This process provides guidance for activities that require planned shutdowns to the water supply network.
This includes shutdown templates for those following this process.
Read more
Water Sensitive Design
Download the Water Sensitive Design for Stormwater: Treatment Device Design Guideline. Read more
Approved Solutions for Hydraulic Neutrality
Download Managing Stormwater Runoff: The use of approved solutions for hydraulic neutrality Read more
Reference Guide for Storm Hydrology
Download the Reference Guide for Storm Hydrology. Read more
Reviewing and revising the Regional Standard and Specification
*Reviewing and revising the Regional Standard and Specification*. Read more