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sampling point
Demelza Stream At Prince Park Bridge

Description DEMELZA STREAM AT PRINCE PARK BRIDGE
Sampling point ID SW-82520733
Type Freshwater – Rivers
Status closed
Location easting northing: 198048 64662
lat lon: 50.446959, -4.845861
Area Devon And Cornwall
Sub-Area West Devon And Cornwall
Summary 31 samples taken between 2015 and 2013

Determinands

Determinands identify a property which can be measured on a sample or the sampling environment, together with the units in which the result of that measurement will be expressed.

12 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Temp Water
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 31 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Nov 2014 to 14 Sep 2015

NotationDeterminandUnits25 Nov
2014
11:26
5 Jan
2015
15:30
2 Feb
2015
13:40
9 Mar
2015
11:14
8 Apr
2015
10:01
5 May
2015
11:33
5 Jun
2015
10:37
17 Jul
2015
14:10
7 Aug
2015
11:35
14 Sep
2015
14:28
0061pH7.37.16.87.27.57.47.727.67.637.34
0076Temperature of Water°C7.8107.19.47.9111215.312.712.4
0077Conductivity at 25 Cμs/cm175172176178169168173169169150
0111Ammoniacal Nitrogen as Nmg/l0.093< 0.030.038< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.185
0116Nitrogen, Total Oxidised as Nmg/l3.152.93.313.192.681.952.182.142.041.34
0117Nitrate as Nmg/l3.142.893.313.192.681.942.182.142.041.32
0118Nitrite as Nmg/l0.01210.00520.00410.005< 0.0040.0094< 0.004< 0.004< 0.0040.0172
0119Ammonia un-ionised as Nmg/l0.00029< 7.0e-054.0e-05< 8.0e-05< 0.00015< 0.00015< 0.00034< 0.00033< 0.000290.0009
0162Alkalinity to pH 4.5 as CaCO3mg/l26252424232826282629
0180Orthophosphate, reactive as Pmg/l0.02660.01370.01330.01270.00740.02110.01180.01690.01610.137
9901Oxygen, Dissolved, % Saturation%9594.898.69796.29910097.799.993.9
9924Oxygen, Dissolved as O2mg/l11.310.711.911.111.410.910.89.7610.610

Samples from 19 Feb 2014 to 5 Nov 2014

NotationDeterminandUnits19 Feb
2014
13:42
5 Mar
2014
14:19
3 Apr
2014
14:36
2 May
2014
13:45
2 Jun
2014
12:04
2 Jul
2014
12:40
4 Aug
2014
15:16
16 Sep
2014
10:24
15 Oct
2014
09:54
5 Nov
2014
10:49
0061pH7.317.37.37.17.27.57.37.87.67.03
0076Temperature of Water°C10.29.411.211.612.814.114.311.812.210.6
0077Conductivity at 25 Cμs/cm175173186170169175172175180184
0111Ammoniacal Nitrogen as Nmg/l0.0440.031< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l3.373.342.912.762.612.542.122.151.661.61
0117Nitrate as Nmg/l3.363.332.92.762.612.542.122.151.661.59
0118Nitrite as Nmg/l0.0070.00530.0053< 0.004< 0.004< 0.004< 0.004< 0.004< 0.0040.0234
0119Ammonia un-ionised as Nmg/l0.000170.00011< 0.00012< 8.0e-05< 0.00011< 0.00024< 0.00015< 0.0004< 0.00026< 6.0e-05
0162Alkalinity to pH 4.5 as CaCO3mg/l24222523272627282730
0180Orthophosphate, reactive as Pmg/l< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.020.020.052
9901Oxygen, Dissolved, % Saturation%98.5100.19995.599102100.81009892.9
9924Oxygen, Dissolved as O2mg/l1111.410.810.410.510.510.310.810.510.3