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

Ammoniacal 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 0.041 60 -0.004 0.227 -9.66 - - - - - 11.67
RS03 Waitohu S at Forest Pk - - - - - - - - - - 84.75
RS04 Waitohu S at Norfolk Cres 0.040 60 -0.001 0.777 -2.93 0.040 58 -0.001 0.606 -2.89 5.00
RS05 Otaki R at Pukehinau - - - - - - - - - - 85.00
RS06 Otaki R at Mouth 0.001 60 0.000 0.179 -1.34 0.000 60 -0.001 0.056 -54.64 80.00
RS07 Mangaone S at Sims Rd Br 0.085 60 -0.004 0.202 -4.30 0.092 60 -0.006 0.138 -6.75 3.33
RS08 Ngarara S at Field Way 0.025 60 -0.007 0.000 -26.67 - - - - - 15.00
RS09 Waikanae R at Mangaone Walkway - - - - - - - - - - 86.67
RS10 Waikanae R at Greenaway Rd 0.002 60 0.000 0.007 -14.65 0.002 35 0.000 0.534 -23.92 76.67
RS11 Whareroa S at Waterfall Rd 0.003 60 0.000 0.944 -0.97 0.002 57 0.000 0.498 -7.76 66.67
RS12 Whareroa S at QE Park 0.090 60 -0.005 0.076 -5.62 0.090 57 -0.007 0.200 -8.45 5.00
RS13 Horokiri S at Snodgrass 0.004 60 0.000 0.358 -4.89 0.003 59 0.000 0.427 -6.98 78.33
RS14 Pauatahanui S at Elmwood Br 0.012 60 0.000 0.887 0.34 0.011 60 0.000 1.000 0.33 38.33
RS15 Porirua S at Glenside 0.003 60 -0.001 0.033 -14.76 0.001 60 -0.001 0.001 -34.77 66.67
RS16 Porirua S at Wall Park (Milk Depot) 0.014 60 -0.003 0.104 -18.82 0.009 60 -0.002 0.040 -17.04 41.67
RS17 Makara S at Kennels 0.012 60 -0.002 0.006 -17.43 0.011 60 -0.002 0.020 -17.72 41.67
RS18 Karori S at Makara Peak 0.013 60 -0.001 0.046 -10.60 0.013 60 -0.001 0.289 -7.87 30.00
RS19 Kaiwharawhara S at Ngaio Gorge 0.010 60 -0.001 0.040 -8.01 0.002 60 -0.003 0.358 -25.14 46.67
RS20 Hutt R at Te Marua Intake Site 0.002 60 0.000 0.007 -15.69 0.001 60 0.000 0.077 -21.20 80.00
RS21 Hutt R opp. Manor Park G.C. 0.004 60 0.000 0.229 -7.47 0.003 59 0.000 0.613 -5.82 75.00
RS22 Hutt R at Boulcott - - - - - - - - - - 85.00
RS23 Pakuratahi R 50m d/s Farm Ck - - - - - - - - - - 81.67
RS24 Mangaroa R at Te Marua 0.003 60 0.000 0.321 -3.55 -0.001 59 -0.001 0.097 -28.16 65.00
RS25 Akatarawa R at Hutt confl. 0.001 60 0.000 0.004 -14.79 0.000 60 -0.001 0.040 -74.79 78.33
RS26 Whakatikei R at Riverstone - - - - - - - - - - 85.00
RS27 Waiwhetu S at Wainui Hill Br 0.076 59 -0.008 0.082 -11.06 0.067 59 -0.008 0.071 -10.51 8.33
RS28 Wainuiomata R at Manuka Track - - - - - - - - - - 81.36
RS29 Wainuiomata R u/s of White Br 0.011 59 -0.001 0.025 -11.56 0.009 59 -0.001 0.130 -9.88 43.33
RS30 Orongorongo R at Orongorongo Stn - - - - - - - - - - 81.67
RS31 Ruamahanga R at McLays - - - - - - - - - - 81.67
RS32 Ruamahanga R at Te Ore Ore 0.004 60 0.000 0.321 -4.75 0.004 60 0.000 0.040 -10.66 75.00
RS33 Ruamahanga R at Gladstone Br 0.019 60 0.000 0.522 -1.73 0.019 60 -0.002 0.056 -12.25 30.00
RS34 Ruamahanga R at Pukio 0.007 60 0.000 1.000 0.00 0.005 59 -0.001 0.220 -15.96 55.00
RS35 Mataikona Trib at Sugar Loaf Rd 0.006 59 0.000 0.664 -1.78 - - - - - 76.27
RS36 Taueru R at Castlehill 0.005 59 -0.001 0.006 -15.56 0.005 59 -0.002 0.008 -31.24 64.41
RS37 Taueru R at Gladstone 0.005 60 -0.001 0.179 -9.78 - - - - - 55.93
RS38 Kopuaranga R at Stewarts 0.011 60 0.000 0.887 -2.02 0.009 60 -0.001 0.028 -11.36 40.00
RS39 Whangaehu R 250m u/s confl. 0.007 60 0.000 0.522 3.58 - - - - - 53.33
RS40 Waipoua R at Colombo Rd Br 0.002 60 0.000 0.039 -8.09 0.001 52 0.000 0.797 -2.91 80.00
RS41 Waingawa R at South Rd - - - - - - - - - - 88.33
RS42 Whareama R at Gauge 0.004 60 0.000 0.437 -2.24 0.003 60 0.000 0.229 -5.68 67.80
RS43 Motuwaireka S at Headwaters - - - - - - - - - - 82.76
RS44 Totara S at Stronvar 0.003 58 0.000 0.122 -14.05 0.001 58 -0.001 0.065 -21.60 77.59
RS45 Parkvale Trib at Lowes Res. 0.002 47 0.000 0.185 -12.35 - - - - - 74.47
RS46 Parkvale S at Weir 0.016 60 0.000 0.434 1.57 0.013 57 0.000 1.000 0.59 33.33
RS47 Waiohine R at Gorge - - - - - - - - - - 81.67
RS48 Waiohine R at Bicknells 0.011 60 0.000 0.943 -0.08 0.009 60 0.000 0.525 4.02 43.33
RS49 Beef Ck at Headwaters - - - - - - - - - - 81.67
RS50 Mangatarere S at SH 2 0.100 60 0.000 0.942 0.00 0.101 59 -0.003 0.516 -2.54 8.33
RS51 Huangarua R at Ponatahi Br 0.004 60 0.000 0.229 -6.82 - - - - - 68.33
RS52 Tauanui R at Whakatomotomo Rd 0.002 59 0.000 0.111 -10.46 0.002 59 0.000 0.051 -22.97 79.66
RS53 Awhea R at Tora Rd 0.003 60 -0.001 0.001 -14.78 - - - - - 70.00
RS54 Coles Ck Trib at Lagoon Hill Rd 0.004 50 -0.002 0.024 -51.11 - - - - - 62.00
RS55 Tauherenikau R at Websters - - - - - - - - - - 81.67
RS56 Waiorongomai R at Forest Pk - - - - - - - - - - 90.00
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