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

TR 2018/32

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