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Freshwater physicochemical monitoring 2016-2017

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  • Created: 03/1/2018

for recreation at 13 SEM sites and two NIWA sites in Taranaki 72 Figure 12 Scatterplots of selected parameters for selected sites where significant trends have been reported (flow adjusted data and LOWESS trend line (span 30%)) 79 Figure 13 Specific changes in trend for nutrients, bacteria, organics and aesthetic parameters in the long term (22 years) and current (7 years) trend 85 page 1 1 Introduction The Resource Management Act 1991 (‘the RMA’)

Inhalable particulate (PM2.5) monitoring 2016-2020

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  • Created: 03/1/2020

from 4th July 2016 72 Figure 32 ScEM analysis of the EBAM filter from 24thth July 2016 73 Figure 33 ScEM analysis of the EBAM filter from 2nd October 2016 74 Figure 34 ScEM analysis of the EBAM filter from 22nd January 2017 75 Figure 35 ScEM analysis of the EBAM filter from 16th June 2017 76 page page 1 1 Introduction 1.1 General The Resource Management Act 1991 (RMA) established new requirements for local authorities to undertake …

STDC Hawera Municipal Oxidation Ponds 2020-2021

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  • Created: 08/2/2022

pH 7.7 7.7 8.2 8.1 7.9 7.4 7.8 62 6.8 8.3 7.7 Suspended solids (g/m3) 34 27 97 72 102 59 66 62 5 430 48 Turbidity (NTU) 17 33 49 60 51 37 43 62 6.7 98 32 Total BOD concentrations in the six samples collected during the monitoring period were lower than the historic median. Total BOD largely consisted of the carbonaceous fraction during the year. The carbonaceous BOD concentration was equal to or exceeded that of total BOD in five out of six samples. This anomaly was likely due

Fonterra Whareroa Monitoring Programme Annual Report 2021-2022

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  • Created: 27/4/2023

2022 69 1.0 1.2 8 270 < 4 7.6 8 2.2 20.5 0.24 0.11 16 Feb 2022 52 1.3 1.5 6 248 < 4 7.4 6 2.1 18.3 0.09 <0.07 page 14 Parameter Alkalinity BODCF BOD COD Condy O&G pH SS Turb. Temp. Total Cl2 Free Cl2 Unit g/m³ CaCO3 g/m³ g/m³ g/m³ µS/cm @ 25ºC g/m³ pH g/m³ FNU °C g/m³ g/m³ 17 Mar 2022 73 < 1.0 1.6 14 294 < 4 7.6 12 2.3 16.4 <0.07 0.08 22 Apr 2022 36 < 1.0 0.6 < 6 160 4 7.3 6 4.2 16.8 <0.07 <0.07 30 May 2022 72 1.1 0.8 18 278 < 4 7.5 4 3.6 13.0