Comparison with guidelines 62 3.2.13.2 Comparison with previous summers’ surveys 64 Urenui River at the estuary 64 3.2.14 3.2.14.1 Comparison with guidelines 66 3.2.14.2 Comparison with previous summers’ surveys 67 Manganui River at Everett Park (downstream of Kurapete Stream) 68 3.2.15 3.2.15.1 Comparison with guidelines 71 3.2.15.2 Comparison with previous summers’ surveys 72 Lake Ratapiko 73 3.2.16 3.2.16.1 Comparison with guidelines 74 3.2.16.2 Comparison with previous
TRC190876 TRC181961 TRC182804 TRC190877 pH pH 7.6 7.1 7.4 7.6 7.6 7.5 7.6 6.6 7.1 Total alkalinity g/m3 CaCO3 98 93 90 89 136 107 64 48 67 Bicarbonate g/m3 HCO3 118 114 109 108 165 130 78 58 82 Total hardness g/m3 CaCO3 38 58 45 52 57 44 57 43 56 Electrical conductivity mS/m 24.2 24.6 23.3 23.8 31.6 27 20.6 18.5 22.6 Total dissolved solids g/m3 194 188 176 183 220 184 161 139 169 Dissolved calcium g/m3 9.2 13.2 10.7 13.2 13.7 10.6 13.4 12 14 Chloride g/m3 15.9 15.7 16.7 17.2 17.7
Operations and Regulatory Committee Agenda April 2023
spring 2010 and summer 2011 results. 117 Table 65 Characteristic taxa (abundant, very abundant, extremely abundant) recorded in the Waingongoro River at Opunake Road between 1995 and February 2010 [30 surveys], and by the spring 2010 and summer 2011 surveys 118 Table 66 Results of previous surveys performed in the Waingongoro River at Eltham Road, together with spring 2010 and summer 2011 results. 120 Table 67 Characteristic taxa (abundant, very abundant, extremely abundant) recorded
River 60 page ii 3.2.7.1 State Highway 3 site (MGN000195) 60 3.2.7.2 Bristol Road site (MGN000427) 63 3.2.7.3 Discussion 66 3.2.8 Maketawa Stream 67 3.2.8.1 Derby Road site (MKW000200) 67 3.2.8.2 Tarata Road site (MKW000300) 70 3.2.8.3 Discussion 73 3.2.9 Waitara River 74 3.2.9.1 Mamaku Road site (WTR000850) 74 3.2.9.2 Community composition 75 3.2.9.3 Temporal trends in 1995 to 2014 data 76 3.2.9.4 Discussion 77 3.2.10 Mangati Stream 78
and analysis 11 Environmental parameters and indicators 11 Results and discussion 14 3.1 Flows 14 3.2 Macroinvertebrate communities 15 Hangatahua (Stony) River 16 Herekawe Stream 21 Huatoki Stream 23 Kapoaiaia Stream 29 Katikara Stream 35 Kaupokonui River 39 Kurapete Stream 50 Maketawa Stream 54 Mangaehu River 58 Manganui River 60 Mangaoraka Stream 64 Mangati Stream 67 Mangawhero Stream 71 Mangorei Stream 75
Comparison with guidelines 61 4.10.2 Comparison with previous summer surveys 61 4.10.3 Long-term trend analysis 62 4.10.4 Cyanobacteria 62 4.11 Timaru Stream at Weld Road (near mouth) 63 4.11.1 Comparison with guidelines 67 4.11.2 Comparison with previous summer surveys 67 4.11.3 Long-term trend analysis 68 page 4.11.4 Cyanobacteria 68 4.12 Waimoku Stream at Oakura Beach 68 4.13 Oakura River below SH45 69 4.13.2 Comparison with
2022 50 Table 6 Surface water monitoring 25 January 2023 52 Table 7 Surface water monitoring 23 March 2023 55 Table 8 Surface water monitoring 2 June 2023 58 Table 9 metals in surface water and WTS discharge 64 Table 10 Current biomonitoring sites in the Haehanga Stream catchment and comparable reference site 67 Table 11 Number of taxa, MCI and SQMCI values recorded in the Haehanga Stream catchment and reference stream in earlier, the last, and the current survey, together
Eltham Road, together with spring 2011 and summer 2012 results. 121 Table 67 Characteristic taxa (abundant, very abundant, extremely abundant) recorded in the Waingongoro River at Eltham Road between 1995 and February 2011 [36 surveys], and by the spring 2011 and summer 2012 surveys 122 Table 68 Results of previous surveys performed in the Waingongoro River at Stuart Road, together with spring 2011 and summer 2012 results. 124 Table 69 Characteristic taxa (abundant, very abundant,
… ............................................................................................................................................................................................ 56 Transport ................................................................................................................................................................................................................................. 62 Hazard Management .......................................................................................................................................................................................................... 67 Recreation, Culture and