River and stream water quality and ecology - Greater Wellington ...

Total nitrogen (mg/L)
River and stream water quality and ecology in the Wellington region: State and trends
Site Site name
Median n
Raw data
MASS p
%
Change
Median
Flow-adjusted data
n MASS p
%
Change
%
Cen.
RS02 Mangapouri S at Bennetts Rd 2.900 60 0.000 1.000 0.00 - - - - - 0.00
RS03 Waitohu S at Forest Pk 0.058 59 -0.006 0.043 -10.83 0.048 57 -0.011 0.019 -19.67 64.41
RS04 Waitohu S at Norfolk Cres 0.890 60 -0.019 0.356 -2.14 0.881 58 -0.024 0.338 -2.64 0.00
RS05 Otaki R at Pukehinau 0.049 60 0.000 0.724 -0.65 0.036 60 -0.002 0.229 -3.46 65.00
RS06 Otaki R at Mouth 0.071 60 0.000 0.943 0.00 0.063 60 0.003 0.229 4.79 55.00
RS07 Mangaone S at Sims Rd Br 2.600 60 -0.188 0.033 -7.22 2.569 60 -0.117 0.006 -4.48 0.00
RS08 Ngarara S at Field Way 0.995 60 -0.100 0.019 -10.10 - - - - - 0.00
RS09 Waikanae R at Mangaone Walkway 0.150 60 0.003 0.615 2.20 0.145 60 -0.001 0.944 -0.68 11.67
RS10 Waikanae R at Greenaway Rd 0.300 60 -0.020 0.434 -6.68 - - - - - 3.33
RS11 Whareroa S at Waterfall Rd 0.500 60 0.000 1.000 0.00 0.464 57 -0.009 0.545 -1.94 0.00
RS12 Whareroa S at QE Park 1.020 60 0.020 0.566 1.96 0.898 57 0.015 0.498 1.53 0.00
RS13 Horokiri S at Snodgrass 0.615 60 -0.018 0.569 -2.99 0.581 59 -0.021 0.097 -3.56 0.00
RS14 Pauatahanui S at Elmwood Br 0.575 60 0.010 0.522 1.74 0.578 60 -0.009 0.437 -1.59 0.00
RS15 Porirua S at Glenside 1.300 60 -0.050 0.254 -3.84 1.267 60 -0.057 0.040 -4.40 0.00
RS16 Porirua S at Wall Park (Milk Depot) 1.300 60 -0.049 0.086 -3.75 1.324 60 -0.034 0.257 -2.61 0.00
RS17 Makara S at Kennels 0.610 60 -0.008 0.617 -1.37 0.597 60 -0.034 0.040 -5.60 0.00
RS18 Karori S at Makara Peak 1.565 60 -0.053 0.073 -3.37 1.642 60 -0.034 0.179 -2.16 0.00
RS19 Kaiwharawhara S at Ngaio Gorge 1.415 60 -0.024 0.476 -1.69 1.391 60 -0.025 0.525 -1.73 0.00
RS20 Hutt R at Te Marua Intake Site 0.166 60 0.001 0.830 0.31 0.165 60 0.004 0.289 2.46 11.67
RS21 Hutt R opp. Manor Park G.C. 0.360 60 -0.002 0.775 -0.46 0.357 59 0.002 0.942 0.54 0.00
RS22 Hutt R at Boulcott 0.300 60 0.000 0.772 0.00 0.284 59 -0.003 0.829 -0.87 1.67
RS23 Pakuratahi R 50m d/s Farm Ck 0.345 60 -0.005 0.615 -1.34 0.312 60 -0.017 0.229 -4.85 0.00
RS24 Mangaroa R at Te Marua 0.705 60 -0.020 0.200 -2.89 0.701 59 -0.031 0.051 -4.44 0.00
RS25 Akatarawa R at Hutt confl. 0.155 60 -0.002 0.831 -1.22 0.151 60 0.008 0.358 5.17 23.33
RS26 Whakatikei R at Riverstone 0.185 60 -0.004 0.478 -2.29 0.183 60 -0.002 0.724 -1.29 23.33
RS27 Waiwhetu S at Wainui Hill Br 0.800 59 -0.049 0.029 -6.12 0.727 59 -0.040 0.012 -4.94 0.00
RS28 Wainuiomata R at Manuka Track 0.140 58 -0.005 0.410 -3.58 0.136 57 -0.007 0.455 -5.19 20.34
RS29 Wainuiomata R u/s of White Br 0.380 59 -0.036 0.025 -9.40 0.358 59 -0.023 0.051 -6.04 10.00
RS30 Orongorongo R at Orongorongo Stn 0.073 59 -0.004 0.244 -6.15 0.068 53 -0.007 0.070 -10.06 53.33
RS31 Ruamahanga R at McLays 0.044 60 0.000 0.722 0.90 0.037 60 0.000 1.000 -0.70 63.33
RS32 Ruamahanga R at Te Ore Ore 0.555 60 -0.049 0.013 -8.91 0.582 60 -0.041 0.056 -7.46 0.00
RS33 Ruamahanga R at Gladstone Br 0.675 60 -0.039 0.356 -5.78 0.684 60 -0.046 0.040 -6.80 0.00
RS34 Ruamahanga R at Pukio 0.550 60 -0.004 0.776 -0.75 0.511 59 -0.030 0.279 -5.47 1.67
RS35 Mataikona Trib at Sugar Loaf Rd 0.190 59 -0.025 0.008 -13.18 - - - - - 11.86
RS36 Taueru R at Castlehill 0.400 59 -0.011 0.346 -2.86 0.379 59 -0.021 0.051 -5.23 1.69
RS37 Taueru R at Gladstone 1.470 59 -0.151 0.001 -10.29 - - - - - 0.00
RS38 Kopuaranga R at Stewarts 1.375 60 -0.020 0.393 -1.44 1.346 60 -0.054 0.056 -3.96 0.00
RS39 Whangaehu R 250m u/s confl. 1.700 60 -0.197 0.009 -11.60 - - - - - 0.00
RS40 Waipoua R at Colombo Rd Br 1.080 60 -0.072 0.099 -6.64 1.079 52 -0.070 0.072 -6.60 1.67
RS41 Waingawa R at South Rd 0.130 60 -0.002 0.619 -1.74 0.120 60 -0.006 0.229 -4.54 38.33
RS42 Whareama R at Gauge 0.410 59 -0.010 0.514 -2.46 0.406 59 -0.014 0.348 -3.53 0.00
RS43 Motuwaireka S at Headwaters 0.130 59 -0.025 0.006 -18.96 0.104 59 -0.021 0.012 -16.45 31.03
RS44 Totara S at Stronvar 0.150 58 -0.026 0.009 -17.16 0.131 58 -0.020 0.004 -13.07 20.69
RS45 Parkvale Trib at Lowes Res. 4.800 47 -0.298 0.024 -6.20 - - - - - 0.00
RS46 Parkvale S at Weir 1.950 60 -0.041 0.522 -2.11 1.918 57 -0.116 0.019 -6.12 0.00
RS47 Waiohine R at Gorge 0.057 60 0.002 0.358 3.21 0.045 60 0.000 1.000 -0.20 70.00
RS48 Waiohine R at Bicknells 0.420 60 -0.002 0.943 -0.59 0.405 60 -0.009 0.621 -2.11 0.00
RS49 Beef Ck at Headwaters 0.100 60 -0.001 0.353 -1.29 - - - - - 48.33
RS50 Mangatarere S at SH 2 1.600 60 -0.075 0.200 -4.72 1.683 59 -0.030 0.071 -1.87 0.00
RS51 Huangarua R at Ponatahi Br 0.500 60 -0.015 0.722 -2.98 - - - - - 0.00
RS52 Tauanui R at Whakatomotomo Rd 0.065 59 0.000 1.000 0.00 0.042 59 -0.001 0.829 -1.94 59.32
RS53 Awhea R at Tora Rd 0.240 60 -0.005 0.667 -2.26 - - - - - 3.33
RS54 Coles Ck Trib at Lagoon Hill Rd 0.230 50 -0.012 0.026 -5.40 - - - - - 2.00
RS55 Tauherenikau R at Websters 0.110 60 0.003 0.478 2.74 0.099 60 0.001 0.832 0.94 41.67
RS56 Waiorongomai R at Forest Pk 0.064 60 0.004 0.395 5.75 0.064 54 -0.001 0.808 -0.94 58.33
WGN_DOCS-#1100598-V3 PAGE 153 OF 160