surveys 59
4.2.10.3 Cyanobacteria 60
Timaru Stream at Weld Road (near mouth) 61 4.2.11
4.2.11.1 Comparison with guidelines 63
4.2.11.2 Comparison with previous summers’ surveys 63
4.2.11.3 Benthic cyanobacteria 64
Waimoku Stream at Oakura beach 65 4.2.12
4.2.12.2 Compliance with guidelines 67
4.2.12.3 Comparison with previous summers’ surveys 68
Oakura River below SH45 69 4.2.13
4.2.13.1 Comparison with guidelines 71
4.2.13.2 Comparison with previous summers’ surveys 72
4.2.13.3
Considerations of Stream Size in Determining Minimum Flows and Water Allocation Limits in Taranaki rivers
surveys 63
4.2.10.3 Cyanobacteria 64
Timaru Stream at Weld Road (near mouth) 65 4.2.11
4.2.11.1 Comparison with guidelines 67
4.2.11.2 Comparison with previous summers’ surveys 67
4.2.11.3 Benthic cyanobacteria 69
Waimoku Stream at Oakura beach 69 4.2.12
Oakura River below SH45 70 4.2.13
4.2.13.1 Comparison with guidelines 72
4.2.13.2 Comparison with previous summers’ surveys 72
4.2.13.3 Benthic cyanobacteria 73
Waitara River at the town wharf, Waitara 74 4.2.14
4.2.14.1
Comparison with previous summers’ surveys 68
3.2.15 Lake Ratapiko 69
3.2.15.1 Compliance with guidelines 70
3.2.15.2 Comparison with previous summers’ surveys 71
3.2.15.3 Cyanobacteria 71
3.2.16 Lake Rotokare 72
3.2.16.1 Cyanobacteria 73
4. General data summary 75
4.1 Comparison with thirteen previous summers’ surveys 78
4.2 General 79
5. Recommendations 81
Bibliography and References 82
Appendix I MAC assessments for all sites 85
Appendix II High tide times 95
the following charges, under section
36(1)(cc) of the Resource Management Act 1991, for
monitoring permitted activities authorised under
regulations in the NES-FW installed after 3 September
2020. The Council may charge for monitoring permitted
activities for compliance inspections and monitoring
under the following sections of the regulations:
70 Culverts
72 Weirs.
Inspection (includes travel time, inspection, monitoring
and reporting) will be undertaken
previous summers’ surveys 71
4.2.11.3 Benthic cyanobacteria 72
Waimoku Stream at Oakura beach 72 4.2.12
Oakura River below SH45 73 4.2.13
4.2.13.1 Comparison with guidelines 75
4.2.13.2 Comparison with previous summers’ surveys 76
4.2.13.3 Benthic cyanobacteria 77
Waitara River at the town wharf, Waitara 78 4.2.14
4.2.14.1 Comparison with guidelines 81
4.2.14.2 Comparison with previous summers’ surveys 82
Urenui River at the estuary 83 4.2.15
4.2.15.1 Comparison with guidelines
in relation to the Kapuni-J fracturing event
Pre-fracturing 3mth post fracturing 1 year post fracturing
Sample date Unit 12/04/2023 19/12/2023 26/09/2024
Sample time - 10:25 11:45 13:30
Sample id. TRC - TRC2311827 TRC2315844 TRC2420119
pH pH 6.9 7.5 6.8
Temperature °C 14.5 16.4 14.4
Total alkalinity g/m3 CaCO3 87 84 72
Bicarbonate g/m3 HCO3 106 102 87
Total hardness g/m3 CaCO3 47 46 54
Electrical conductivity mS/m 25.5 24.1 29
Total dissolved solids
70 40.0 68 45
2017/18 9,310 71 35.5 85 71
2016/17 2,000 77 26.0 85 64
2015/16 9,919 92 36.8 70 59
Consent limit
5312-1 - - - - -
2014/15 13,403 58 18.3 119** 74
2013/14 15,299 69 18.0 93** 72
Note ** Maximum injection pressures were recorded during reporting periods prior to the consent limit of 85 bar being applied
page
17
Figure 4 Kaimiro-17 well: Historical injection volumes and injection pressures (2015-2024)
2.4.2 Summary of
Biomonitoring 31
Groundwater 34
2.4.1 Results 37
Air 44
Land and soil 44
2.6.1 Irrigation wastewater storage IND002044 44
2.6.2 Soil samples (irrigation areas) 46
2.6.3 Irrigation loading rates 56
2.6.4 Incidents, investigations, and interventions 58
Discussion 59
page
ii
Site performance 59
Environmental effects 62
Evaluation of performance 63
Recommendations from the 2022/23 Annual Report 72
Alterations to monitoring programmes for
trend analysis 68
page
iii
4.11.4 Cyanobacteria 68
4.12 Waimoku Stream at Oakura Beach 68
4.12.1 Comparison with guidelines 70
4.12.2 Comparison with previous summer surveys 71
4.12.3 Long-term trend analysis 72
4.13 Oakura River below SH45 72
4.13.2 Comparison with previous summer surveys 74
4.13.3 Long-term trend analysis 75
4.13.4 Cyanobacteria 76
4.14 Waitara River at the town wharf, Waitara 77
4.14.1 Comparison with guidelines 79