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

Regional As-Built Specification and Draughting manual

The following can be downloaded here: .   Read more