abundant (XA)] recorded in
the Punehu Stream at Wiremu Road between 1995 and March 2016 [42 surveys], and by the
spring 2016 and summer 2017 surveys 139
Table 72 Results of previous surveys performed in the Punehu Stream at SH 45 together with spring
2016 and summer 2017 results 141
Table 73 Characteristic taxa [abundant (A), very abundant (VA), extremely abundant (XA)] recorded in
the Punehu Stream at SH 45 between 1995 and March 2016 [42 surveys], and by the spring
2016
Ordinary Council Agenda October 2023
During the monitoring period, NPDC demonstrated an overall high level of environmental
performance at the NPWWTP.
In relation to the operation of the NPWWTP, NPDC holds six resource consents, which include a total of 72
conditions setting out the requirements that NPDC must satisfy. NPDC holds one consent to discharge
treated wastewater into the Tasman Sea, one consent to discharge sludge leachate to groundwater, two
consents relating to structures, one consent to discharge emissions into the
2, June 2016 to date 69
Figure 48 Groundwater chloride concentration at Farm 2 bores, June 2016 to date 69
Figure 49 Groundwater potassium concentration at Farm 2 bores, June 2018 to date 70
Figure 50 Groundwater sodium concentration at Farm 3 bores, June 2016 to date 72
Figure 51 Groundwater chloride concentration at Farm 3 bores, June 2016 to date 72
Figure 52 Groundwater conductivity at Farm 3 bores, June 2016 to date 73
Figure 53 Groundwater potassium concentration at
July Aug Sept Oct Nov Dec Jan Feb Mar April May June
2020-2021 20 38 53 75 94 116 131 154
2019-2020 26 51 72 102 148 162 188 218 239 245 248 263
2018-2019 32 55 66 84 109 186 195 211 225 242 265 286
New Renewal Change Review Totals
2020-2021 to 28th December 2020 52 63 28 11 154
2019-2020 Total 81 138 44 0 263
2018-2019 Total 148 93 45 0 286
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Trustpower Ltd Patea HEP Scheme Monitoring Programme Annual Report 2020-2021
C7-C9 mg/kg 120.0 <8 <8 <7 <7 <7 <7
C10-C14 mg/kg 58 <20 29 <10 <10 <10 <10
C15-C36 mg/kg 4,000 <30 230 <30 140 200 170
Arsenic mg/kg 20 <2 <2 <2 <2 <2 <2
Cadmium mg/kg 1 <0.1 <0.1 <0.1 <0.1 <0.1 <0.1
Chromium mg/kg 600 16 19 14 16 15 16
Copper mg/kg 100 18 27 12 17 19 19
Lead mg/kg 300 1.50 2.2 1.2 2.4 3.5 3.50
Mercury mg/kg 1 <0.1 <0.1 0.1 <0.1 <0.1 <0.1
Nickel mg/kg 60 8 10 7 8 7 8
Zinc mg/kg 300 73 94 68 80 72 67
Barium mg/kg 10,000 590
Hongihongi-Herekawe catchment consent monitoring report - Taranaki Regional Council.
Waitaha Catchment Annual Report 2020-2021
Taranaki Regional Council meeting agenda May 2020