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
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.
Taranaki Regional Council meeting agenda May 2020
exercise of consent 67
11.5.3 Evaluation of performance 67
12 Ravensdown Fertiliser Co-operative Ltd 70
12.1 Process description 70
12.2 Water discharge permit 70
12.3 Results 71
12.3.1 Inspections 71
12.3.2 Results of discharge monitoring 71
12.3.3 Investigations, interventions, and incidents 71
12.4 Discussion 72
12.4.1 Discussion of site performance 72
12.4.2 Environmental effects of exercise of consent 72
12.4.3 Evaluation of performance 73
13 Taranaki …
Executive Audit and Risk Agenda December 2024 web
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LEGEND
!( Flow monitoring stations
Waiwhakaiho River
Lake Mangamahoe catchment
Waiwhakaiho diversion catchment
Full Waiwhakaiho catchmentNational Geographic, Esri,
Garmin, HERE, UNEP-
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Abstraction L/s
average
Total monthly volume
(m3)
July 93 39 105682
August 81 3 9016
September 123 6 15520
October 72 <1 496
November 123 11 27591
December 117 7 19313
January 87 14 37960
February 84 6 14158
March 83 20 54869
April 83 13 34967
May 84 3 9153
June 78 3 8335
2.1.4 Results of discharge monitoring
Consent 5848 covers the discharge of used waters (mainly blowdown water) from the cooling system of the
combined cycle (TCC) and the
CDEM Joint Committee Agenda March 2023 Web
CDEM Joint Committee March 2024