Waikato River Water Quality Monitoring Programme - Data Report 2020
TR 2021/23
Report: TR 2021/23
Author: Noel Bates
Abstract
The report provides information on:
1. Routine monthly monitoring of water quality at 12 sites:
- Year 2020 summary data tabulated by parameter for each location and reported with the median of the previous 5 years.
- Key parameter graphs showing the average water quality for 2020 at each location, compared to results of the previous 5 years.
- Summary tables identifying the number of samples meeting ‘satisfactory’ and ‘excellent’ water quality standards and guidelines.
- Raw data for 2020.
2. Additional information is provided in the appendices on:
- Flow (Appendix I).
- The effect of flow is important to assessing water quality and making comparisons between years. Appendix I provides information on annual median flow at some locations for the previous 10 years.
- Continuous monitoring data via Datasonde (Appendix II).
- Plots of the Hamilton and Tuakau deployments undertaken during 2020 showing the level of diurnal and seasonal variation of selected parameters.
- Water quality criteria (Appendix III)
- Identifying the water quality parameters, guidelines, standards, and analytical methods used in the Waikato River water quality monitoring programme.
Table of contents | |
Acknowledgement | i |
1 Introduction | 1 |
1.1 Background 1 | 1 |
1.2 Report content | 1 |
1.3 Water quality guidelines and standards | 2 |
2 The Waikato River monitoring programme design | 3 |
2.1 Sampling collection | 3 |
2.2 Sample locations | 3 |
2.3 Water quality parameters | 5 |
2.4 Quality control, data storage and analysis | 5 |
2.5 Reports | 5 |
3 Results | 6 |
3.1 Waikato River monitoring programme | 6 |
3.1.1 Routine water quality monitoring | 6 |
Summary statistics | 7 |
Key parameter graphs | 14 |
Comparison with water quality standards | 18 |
Raw data | 19 |
References | 25 |
Appendix I | 26 |
Flow information | 26 |
Appendix II | 27 |
Datasonde deployments: selected water quality parameters | 27 |
Appendix III | 37 |
Waikato River water quality parameters | 38 |
Guidelines and standards | 39 |
Analytical methods | 40 |
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