The doors to our Whitianga and Paeroa offices will be closed for the summer break from 4pm on Friday, 20 December, while our Taupō and Hamilton offices will close for the summer break at 1pm on Tuesday, 24 December. All offices will reopen on Monday, 6 January 2025. To report air or water pollution, unsafe water activities in or on a river, lake or harbour, or make a general enquiry or information request during this time, call us 24/7 on 0800 800 401.

Close alert

Flow requirements for dissolved oxygen in the Waihou River catchment

TR 2014/10
  1. Services »
  2. Publications »
  3. TR2014/10

Report: TR 2014/10

Author: Paul Franklin, National Institute of Water and Atmospheric Research Ltd.

About this report

Waikato Regional Council is currently in the process of reviewing the status of water resource availability and allocation in the Waihou River catchment. The aim of this project was to evaluate the interactions between dissolved oxygen (DO) and flow in the catchment.

Read or download the survey report

Flow requirements for dissolved oxygen in the Waihou River catchment [PDF, 966 KB]

Contents
  Executive summary
1 Introduction
1.1 Background
1.2 Project scope
2 Methodology
2.1 Long-term data
2.2 Low flow DO dynamics
3 Results
3.1 Long-term data
3.2 Low flow dissolved oxygen dynamics
3.2.1 Waihou River
3.2.2 Mangawhero Stream
4 Discussion
5 Recommendations
6 References