monitoring programme for 2021-2022 62
5 Summary of recommendations 64
Glossary of common terms and abbreviations 65
Bibliography and references 67
Appendix I Resource consents held by companies in the Herekawe Catchment
Appendix II Resource consents held by companies in the Hongihongi Catchment
Appendix III Resource consents held by other companies discharging to the CMA
List of tables
Table 1 Resource consents for activities in the Herekawe catchment 4
Table 2
Figure 33 Groundwater pH at Farm 2 bores during the year under review 64
Figure 34 Groundwater sodium concentration at Farm 2 bores during the year
under review 64
Figure 35 Groundwater chloride concentration at Farm 2 bores during the year
under review 64
Figure 36 Groundwater sodium concentration at Farm 3 bores during the year
under review 67
Figure 37 Groundwater chloride concentration at Farm 3 bores during the year
under review 67
Figure 38 Groundwater conductivity at
g/m3 < 0.7 < 0.7 < 0.7 < 0.7
Ammoniacal nitrogen g/m3 N 0.58 0.26 0.41 0.21
Turbidity FNU 9.5 4.7 93 40
pH 7.2 7.0 6.7 6.9
Chloride g/m3 55 41 28 17
Suspended solids g/m3 16 5 164 67
2.1.3.2 Biomonitoring
The Council collected streambed macroinvertebrates from two sites (approximately 500 m and 1,600 m
downstream of the discharge) in an unnamed coastal stream (informally known as the Ngapirau Stream) on
12 January 2021 to investigate the effects of the Maui Production
<0.0010 <0.0010 <0.0010 <0.0010
Hydrocarbon (TPH) g/m3 <0.4 <0.7 <0.7 <0.4
HC C7-C9 g/m3 <0.10 <0.10 <0.10 <0.10
HC C10-C14 g/m3 <0.2 <0.2 <0.2 <0.2
HC C15-C36 g/m3 <0.4 <0.4 <0.4 <0.4
Static water level m 7.485 7.685 7.902 7.313
Sodium g/m3 70.4 67 69.4 74.1
PH pH 6.7 6.6 6.6 6.5
Total dissolved salts g/m3 680.1 570.2 645.3 643.7
July 2020 to June 2021 describes the monitoring programme implemented by the
Taranaki Regional Council (the Council) to assess the Company’s environmental and consent compliance
performance during the period under review. The report also details the results of the monitoring
undertaken and assesses the environmental effects of the Company’s activities.
The Company holds five resource consents, which include a total of 67 conditions setting out the
requirements that the Company must satisfy.
Operations and Regulatory Committee Agenda June 2023 v2