Filtered COD g/m³ 74 98 11 290 110
Iron Acid Soluble g/m³ 15.3 16.8 0.38 72 29.7
Mercury Total g/m³ <0.00008 <0.00008 <0.00008 0.0016 -
Nitrite/nitrate nitrogen g/m³ N 0.39 0.2 <0.01 3.97 -
Zinc Dissolved g/m³ <0.0010 <0.0010 <0.0010 0.086 -
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12
Figure 4 Hāwera landfill leachate chloride concentration 1999-2023
Figure 5 Hāwera landfill leachate filtered chemical oxygen demand 1999-2023
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13
Figure 6 Hāwera landfill
Port Taranaki Industries Annual Report 2022-2023
Date Time (NZST) Temperature (°C)
Dissolved Oxygen
Concentration
(g/m³) Saturation (%)
25 Sep 2019 1015 13.2 3.7 37
5 Feb 2020 0950 22.1 7.2 85
18 May 2020 1015 12.7 7.6 72
Photo 3 Dissolved oxygen monitoring
2.2.2 Microfloral component
Pond microflora are very important for the stability of the symbiotic relation between aerobic bacteria in the
pond. These phytoplankton may be used as a bio-indicator of pond conditions, for example cyanobacteria
are often …
Recommendation from the 2014-2015 Annual Report 71
10.3.5 Alterations to monitoring programmes for 2016-2017 71
10.4 Recommendation 71
11. Schlumberger New Zealand Ltd 72
11.1 Introduction 72
11.1.1 Process description 72
11.1.2 Water discharge permits 72
11.2 Results 73
11.2.1 Water 73
11.2.1.1 Inspections 73
11.2.1.2 Results of discharge monitoring 73
11.2.2 Investigations, interventions, and incidents 75
11.3 Discussion 76
11.3.1 Discussion of site performance 76
11.3.2
BTW Wellington landfarm consent monitoring report - Taranaki Regional Council.
Trustpower Patea hydro scheme consent monitoring report 2017-2018
Trustpower Patea River Hydro Dam consent monitoring report
STDC landfills consent monitoring report - Taranaki Regional Council
Trustpower Patea hydro scheme consent monitoring report - Taranaki Regional Council.