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

Total organic carbon (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 5.35 60 -0.23 0.522 -4.21 - - - - - 0.00
RS03 Waitohu S at Forest Pk 1.90 59 0.06 0.244 3.02 1.86 57 0.04 0.15 2.28 0.00
RS04 Waitohu S at Norfolk Cres 4.20 60 -0.14 0.392 -3.35 4.12 58 -0.13 0.42 -3.07 0.00
RS05 Otaki R at Pukehinau 1.10 60 0.08 0.252 7.39 1.13 60 0.08 0.01 7.54 6.67
RS06 Otaki R at Mouth 1.04 60 0.05 0.319 4.76 1.04 60 0.08 0.01 8.17 1.67
RS07 Mangaone S at Sims Rd Br 4.90 60 -0.19 0.254 -3.81 4.78 60 -0.25 0.02 -5.08 0.00
RS08 Ngarara S at Field Way 15.80 60 -0.29 0.254 -1.84 - - - - - 0.00
RS09 Waikanae R at Mangaone Walkway 1.30 60 0.07 0.351 5.51 1.26 60 0.03 0.52 2.29 0.00
RS10 Waikanae R at Greenaway Rd 1.20 60 0.10 0.027 8.34 - - - - - 0.00
RS11 Whareroa S at Waterfall Rd 3.70 60 0.25 0.039 6.76 3.66 57 0.22 0.17 5.88 0.00
RS12 Whareroa S at QE Park 12.55 60 -0.20 0.434 -1.60 11.92 57 -0.16 0.71 -1.28 0.00
RS13 Horokiri S at Snodgrass 2.00 60 0.10 0.061 5.02 1.95 59 0.06 0.43 2.86 0.00
RS14 Pauatahanui S at Elmwood Br 3.70 60 0.20 0.177 5.43 3.63 60 0.13 0.06 3.61 0.00
RS15 Porirua S at Glenside 3.70 60 0.00 1.000 0.00 3.79 60 -0.02 0.94 -0.56 1.67
RS16 Porirua S at Wall Park (Milk Depot) 3.45 60 -0.23 0.136 -6.61 3.53 60 -0.23 0.10 -6.61 0.00
RS17 Makara S at Kennels 4.50 60 0.02 0.830 0.38 4.56 60 0.06 0.62 1.32 0.00
RS18 Karori S at Makara Peak 2.10 60 0.07 0.432 3.38 2.13 60 0.02 0.72 0.98 3.33
RS19 Kaiwharawhara S at Ngaio Gorge 3.30 60 -0.02 1.000 -0.51 3.31 60 -0.06 0.62 -1.85 0.00
RS20 Hutt R at Te Marua Intake Site 2.25 60 0.12 0.722 5.19 2.19 60 0.05 0.83 2.18 0.00
RS21 Hutt R opp. Manor Park G.C. 2.70 60 0.09 0.356 3.27 2.72 59 0.14 0.10 5.10 0.00
RS22 Hutt R at Boulcott 2.30 60 0.09 0.621 4.08 2.19 59 0.10 0.07 4.28 0.00
RS23 Pakuratahi R 50m d/s Farm Ck 2.20 60 0.05 0.722 2.28 2.04 60 0.10 0.44 4.65 0.00
RS24 Mangaroa R at Te Marua 4.50 60 0.30 0.011 6.67 4.57 59 0.26 0.00 5.68 0.00
RS25 Akatarawa R at Hutt confl. 1.70 60 -0.03 0.617 -1.96 1.61 60 0.02 0.83 0.92 0.00
RS26 Whakatikei R at Riverstone 1.68 60 0.00 1.000 0.00 1.62 60 -0.06 0.52 -3.56 0.00
RS27 Waiwhetu S at Wainui Hill Br 4.00 59 -0.30 0.082 -7.48 3.99 59 -0.30 0.05 -7.56 0.00
RS28 Wainuiomata R at Manuka Track 1.90 58 0.00 0.821 0.00 1.89 57 0.09 0.30 4.60 0.00
RS29 Wainuiomata R u/s of White Br 1.90 59 0.00 0.826 0.00 1.85 59 0.03 0.43 1.56 0.00
RS30 Orongorongo R at Orongorongo Stn 1.70 59 0.10 0.144 5.96 1.85 53 0.15 0.25 8.43 11.67
RS31 Ruamahanga R at McLays 1.55 60 0.07 0.319 4.54 1.55 60 0.10 0.29 6.48 1.67
RS32 Ruamahanga R at Te Ore Ore 3.10 60 -0.03 0.943 -1.06 3.01 60 -0.01 0.94 -0.43 1.67
RS33 Ruamahanga R at Gladstone Br 2.55 60 0.41 0.023 16.16 2.61 60 0.18 0.23 7.20 3.33
RS34 Ruamahanga R at Pukio 3.25 60 0.43 0.229 13.31 3.38 59 0.06 0.83 1.80 1.67
RS35 Mataikona Trib at Sugar Loaf Rd 3.10 60 0.00 1.000 0.00 - - - - - 0.00
RS36 Taueru R at Castlehill 5.60 60 -0.02 0.943 -0.44 5.22 60 -0.11 0.52 -1.93 0.00
RS37 Taueru R at Gladstone 5.70 59 0.50 0.095 8.77 - - - - - 0.00
RS38 Kopuaranga R at Stewarts 4.35 60 -0.10 0.522 -2.33 4.16 60 -0.26 0.14 -5.93 1.67
RS39 Whangaehu R 250m u/s confl. 7.05 60 0.81 0.104 11.43 - - - - - 0.00
RS40 Waipoua R at Colombo Rd Br 1.75 60 0.10 0.478 5.65 1.71 52 0.01 1.00 0.34 10.00
RS41 Waingawa R at South Rd 1.10 60 0.07 0.119 6.41 1.14 60 0.08 0.18 7.50 5.00
RS42 Whareama R at Gauge 6.70 59 0.01 0.942 0.19 6.59 59 -0.03 0.83 -0.44 1.69
RS43 Motuwaireka S at Headwaters 2.20 58 -0.16 0.159 -7.23 2.24 58 -0.08 0.42 -3.68 1.72
RS44 Totara S at Stronvar 3.20 58 -0.30 0.053 -9.49 3.07 58 -0.24 0.09 -7.62 3.45
RS45 Parkvale Trib at Lowes Res. 4.60 47 -0.25 0.320 -5.41 - - - - - 0.00
RS46 Parkvale S at Weir 5.95 60 0.04 0.831 0.70 5.95 57 0.15 0.50 2.53 0.00
RS47 Waiohine R at Gorge 1.20 60 0.07 0.286 5.46 1.17 60 0.06 0.10 5.07 3.33
RS48 Waiohine R at Bicknells 1.40 60 0.08 0.117 5.91 1.32 60 0.07 0.08 4.93 1.67
RS49 Beef Ck at Headwaters 1.70 60 0.10 0.038 5.90 - - - - - 3.33
RS50 Mangatarere S at SH 2 2.20 60 0.23 0.074 10.34 2.13 59 0.17 0.13 7.81 1.67
RS51 Huangarua R at Ponatahi Br 3.95 60 -0.17 0.478 -4.37 - - - - - 0.00
RS52 Tauanui R at Whakatomotomo Rd 2.90 59 0.16 0.068 5.57 2.94 59 0.11 0.22 3.78 0.00
RS53 Awhea R at Tora Rd 4.10 60 -0.10 0.619 -2.42 - - - - - 0.00
RS54 Coles Ck Trib at Lagoon Hill Rd 5.65 50 0.00 1.000 0.00 - - - - - 0.00
RS55 Tauherenikau R at Websters 1.55 60 0.04 0.430 2.47 1.45 60 0.04 0.52 2.46 1.67
RS56 Waiorongomai R at Forest Pk 2.45 60 0.30 0.046 12.17 2.44 54 0.28 0.03 11.46 0.00
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