the 2021-2022 period are within the typical range for
injectate samples at these sites.
Table 4 Results of the Council’s biannual injectate sampling Kaimiro-O wellsite (2021-2022)
Parameter Unit TRC213799
Date - 28-Nov-21
Time NZST 10:15
pH pH units 8.0
Electrical conductivity µS/cm @ 25º 1,408
Suspended solids g/m3 13
Temperature Deg°C Not provided
Salinity TDS g/m3 830
Chloride mg/L 180
Total hydrocarbons* g/m3 <0.7
Note * not required under Consent 5312-2.1
Table 5
Freshwater recreational bathing monitoring report - Taranaki Regional Council.
Freshwater recreational bathing monitoring report - Taranaki Regional Council.
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280
300
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post-
frac
1 year post-
frac
Sample date - 30/08/2018 29/03/2019 19/08/2019 10/12/2019
Sample time NZST 12:15 9:15 12:10 11:25
Lab number (TRC) Unit 183458 191620 192969 194424
pH pH 8.2 8.2 8.2 8.2
Total alkalinity g/m3 CaCO3 148 148 150 148
Bicarbonate g/m3 HCO3 178 177 180 177
Total hardness g/m3 CaCO3 84 83 84 93
Electrical conductivity mS/m 31.3 32.2 31.8 30.6
Total dissolved solids g/m3 180 182 169 175
Dissolved calcium g/m3 19.4 20 21 21
Chloride g/m3 12 11.6 11.7 11.8 …
Operations and Regulatory Agenda 30 April 2024
g/m³
Summary statistics previous data (May 1996 to June 2022)
Minimum 28 <1.0 <0.8 <6 40 <4 6.8 <2 0.58 8.1 <0.07 <0.02
Maximum 235 11 93 220 636 240 9.8 110 48 23.5 0.5 0.4
Median 124 <1.0 4.3 20 416 <0.5 7.9 9 4.8 16.6 <0.1 <0.1
Number 185 119 184 189 189 180 191 189 1561 185 184 184
2022-2023 monitoring results
23 Aug 2022 98 < 1.0 1.9 < 6 366 < 4 7.2 < 3 1.57 14.3 0.07 <0.07
page
15
Parameter Alkalinity BODCF BOD COD Condy O&G pH SS Turb. Temp.
Freshwater Recreational Bathing water quality monitoring report Summer 2016-2017.
138 180 133 211
Total suspended solids g/m3 <3 <3 <3 <3 <3 5
Total dissolved solids g/m3 108 153 75 133 75 153
Dissolved calcium g/m3 10.2 15.5 10.4 13.6 9.7 15.5
Dissolved magnesium g/m3 4.4 8.3 4.4 6.7 3.9 8.3
Dissolved potassium g/m3 2.9 3.7 2.6 2.8 2.6 3.7
Dissolved sodium g/m3 8.8 13.7 9.1 11.5 8.4 13.7
Chloride g/m3 12.7 14.6 12.5 13.5 11.7 14.6
Total nitrogen g/m3 1.47 0.75 1.61 1.17 0.75 1.64
Ammoniacal nitrogen g/m3 0.037 <0.010 0.031 <0.010 <0.01 0.041
Nitrite nitrogen g/m3 N
List of figures
Figure 1 Influent phosphorus and mean concentration over 180 days 10
Figure 2 Effluent nitrate 11
Figure 3 Aerial location map of sampling sites in relation to Stratford WWTP 13
Figure 4 Taxa number, MCI scores and SQMCI scores for biomonitoring sites in the Patea River
(spring) 16
Figure 5 Taxa number, MCI scores and SQMCI scores for biomonitoring sites in the Patea River
(summer) 17
page
iii
Figure 6 Periphyton sampling sites in the Patea