Wellington Water is currently reviewing and revising the Regional Standard and Specification. We have released draft versions for feedback which is due no later than 5.00pm 28 June 2021.

Regional Standard for Water Services

Wellington Water is currently reviewing and revising the Regional Standard and Specification.[/contractors/technical-information/reviewing-and-revising-the-regional-standard-and-specification/] The draft versions have been released and feedback needs to be submitted by 5.00pm 28 June 2021.   Read more

Regional Specification for Water Services

Wellington Water is currently reviewing and revising the Regional Standard and Specification. We anticipate releasing draft versions for feedback in May 2021. The Regional Specification for Water Services- May 2019  (R.Spec) provides the minimum technical specifications for the materials, construction, installation, testing and commissioning of the stormwater, wastewater and water supply networks.    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

Draft revision of the Regional Standard for Water Services and the Regional Specification for Water Services.   Read more