Drainage letter: There was a regrettable error made in the processing of the mailing list. If you received mail from Waikato Regional Council to your address but in another person’s name, please dispose of it. The information will be resupplied.

From Monday 24 November, our Whitianga office will be closed to customers. If you need assistance or to contact our local staff, please phone 0800 800 401.

Close alert

Groundwater field investigations over the 2014-15 summer in support of the Healthy Rivers project

TR 2018/32
  1. Services »
  2. Publications »
  3. TR2018/32

Report: TR 2018/32

Author: John Hadfield

About this report

This report was commissioned by the Technical Leaders Group for the Healthy Rivers Wai Ora Project Report No. HR/TLG/2015-2016/1.5B

This report describes short-term groundwater related field investigations undertaken in the summer of 2014-15 in support of the Healthy Rivers Project (Waiora He Rautaki Whakapaipai).

Read or download the report

Groundwater field investigations over the 2014-15 summer in support of the Healthy Rivers project [PDF, 4.1 MB]

Contents
1 Introduction
1.1 Background
1.2 Work brief
1.3 Approach
2 Flow confirmation survey
2.1 Method
2.2 Data obtained
3 Low flow gauging
3.1 Method
3.2 Data obtained
4 Well information surveys
4.1 Method
4.2 Results
5 Groundwater chemistry
5.1 Method
5.2 Results
6 Groundwater level surveying
6.1 Method
6.2 Results
7 Investigation of redox conditions
7.1 Method
7.2 Results
8 Radon
8.1 Method
8.2 Results
9 Water age
9.1 Method
9.2 Results