Technical Information
Wellington Water is currently reviewing and revising the Regional Standard and Specification. We anticipate releasing draft versions for feedback in July 2020.
Regional Standard and Specification
These documents were developed to consolidate the existing codes of practice for water services for Porirua City, Hutt City, Upper Hutt City and Wellington City in order to provide a regionally consistent method of design and implementation of water services across the Wellington region. Read more
Approved Products Register
The Approved Products Register lists products that are approved for use in Hutt, Upper Hutt, Wellington, and Porirua cities’ water supply and drainage infrastructure projects. Read more
Water Sensitive Design
Download the Water Sensitive Design for Stormwater: Treatment Device Design Guideline. Read more
Acceptable Solution #1
Download Acceptable Solution #1, Managing Stormwater Runoff: The use of raintanks 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
Regular revisions to the Regional Standard for Water Services (RSWS) and Regional Specification for Water Services (R.Spec) are needed to respond to shifts of policy, best practice, referenced standards and legislation. Read more