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sampling point
Calverleigh Stream At Swinesbridge

Description CALVERLEIGH STREAM AT SWINESBRIDGE
Sampling point ID SW-70556102
Type Freshwater – Rivers
Status open
Location easting northing: 294540 113940
lat lon: 50.915254, -3.501554
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 48 samples taken between 2017 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 48 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Apr 2016 to 22 Feb 2017

NotationDeterminandUnits25 Apr
2016
13:39
3 Jun
2016
13:06
27 Jun
2016
14:04
2 Aug
2016
11:08
14 Oct
2016
08:33
17 Nov
2016
10:41
2 Dec
2016
10:18
26 Jan
2017
12:18
1 Feb
2017
13:10
22 Feb
2017
10:50
0061pH7.987.987.88.017.948.077.787.77.72
0076Temperature of Water°C9.914.11715.98.29.23.63.98.79.8
0077Conductivity at 25 Cμs/cm296327328287355297283301257274
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0330.0520.050.0590.034< 0.030.0590.0650.102
0116Nitrogen, Total Oxidised as Nmg/l4.24.513.863.014.262.954.464.5743.62
0117Nitrate as Nmg/l4.194.493.842.994.252.944.454.553.993.61
0118Nitrite as Nmg/l0.00890.01510.02020.02060.01310.0070.00530.01660.01380.0129
0119Ammonia un-ionised as Nmg/l< 0.000520.000650.001580.000890.000940.00051< 0.000340.000420.000540.00097
0162Alkalinity to pH 4.5 as CaCO3mg/l94109104851219479915973
0180Orthophosphate, reactive as Pmg/l0.0490.0790.0910.1730.090.070.0510.0570.0810.092
9901Oxygen, Dissolved, % Saturation%98.8971039792.39792.7103.29898.2
9924Oxygen, Dissolved as O2mg/l11.29.959.939.5710.911.112.313.511.411.1

Samples from 11 May 2015 to 3 Mar 2016

NotationDeterminandUnits11 May
2015
13:45
10 Jun
2015
10:11
1 Jul
2015
13:12
4 Aug
2015
11:23
1 Sep
2015
10:57
1 Oct
2015
12:19
13 Nov
2015
13:01
7 Dec
2015
10:33
28 Jan
2016
12:22
3 Mar
2016
11:21
0061pH7.97.87.988.137.987.68.4187.88
0076Temperature of Water°C15.310.917.214.213.212.110.411.57.17.3
0077Conductivity at 25 Cμs/cm315336353340281303265265260235
0111Ammoniacal Nitrogen as Nmg/l0.0470.0770.0480.0390.031< 0.030.0340.0470.0780.058
0116Nitrogen, Total Oxidised as Nmg/l44.434.384.113.363.743.113.493.963.66
0117Nitrate as Nmg/l3.974.414.354.093.353.733.13.473.953.65
0118Nitrite as Nmg/l0.02620.02020.03250.01660.01260.00750.01290.0190.01060.0107
0119Ammonia un-ionised as Nmg/l0.001010.000950.001180.000970.00071< 0.000610.000260.000960.001150.00066
0162Alkalinity to pH 4.5 as CaCO3mg/l98116121119869381757274
0180Orthophosphate, reactive as Pmg/l0.0730.090.1020.0930.0750.0770.0950.080.0680.067
9901Oxygen, Dissolved, % Saturation%9897102999398.99393.997102.2
9924Oxygen, Dissolved as O2mg/l9.7910.79.7910.19.7310.610.410.211.712.3