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sampling point
Lee At Stanborough

Description LEE AT STANBOROUGH
Sampling point ID TH-PLER0074
Type Freshwater – Rivers
Status closed
Location easting northing: 522800 211200
lat lon: 51.785985, -0.221089
Area Hertfordshire And North London
Sub-Area L&W Herts & North London
Summary 156 samples taken between 2012 and 2000

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.

29 determinands have been measured at this site
  • Action taken
  • Al- Filtered
  • Alky pH 4.5
  • Aluminium-Al
  • Ammonia(N)
  • BOD ATU
  • Cadmium - Cd
  • Carbendazim
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 25C
  • Copper - Cu
  • GCMS S-Vol
  • Iron - as Fe
  • Lead - as Pb
  • N Oxidised
  • NH3 un-ion
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • SI-GQA
  • Temp Water
  • Type of Flow
  • Zinc - as Zn
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 156 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 12 Apr 2012 to 14 Dec 2012

NotationDeterminandUnits12 Apr
2012
13:46
1 May
2012
12:47
28 May
2012
13:48
2 Aug
2012
13:41
9 Aug
2012
14:58
29 Aug
2012
11:13
1 Oct
2012
10:51
22 Oct
2012
11:01
3 Dec
2012
09:15
14 Dec
2012
12:50
0061pH8.478.18.258.248.228.178.058.017.95
0076Temperature of Water°C12.913.121.61919.417.613.212.85.7
0077Conductivity at 25 Cμs/cm11215081030830861925932831853
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0940.043< 0.030.132< 0.030.034< 0.030.109
0116Nitrogen, Total Oxidised as Nmg/l195.499.195.436.37.141213.114.2
0117Nitrate as Nmg/l195.459.155.416.257.111213.114.2
0118Nitrite as Nmg/l0.030.03950.03990.02240.05120.03120.03490.03390.0494
0119Ammonia un-ionised as Nmg/l< 0.000680.002150.00182< 0.001050.00477< 0.000950.00078< 0.000670.00129
0162Alkalinity to pH 4.5 as CaCO3mg/l195118233218235229210184197
0180Orthophosphate, reactive as Pmg/l0.4720.2820.4280.2440.270.2740.6290.410.374
3106GCMS Screen : Semi-Volatile Screen: Semi Quantitative1
3475Carbendazimμg/l< 0.01
9901Oxygen, Dissolved, % Saturation%147.395101113.4110.495.390.498.495.2
9924Oxygen, Dissolved as O2mg/l15.59.968.8810.510.19.079.4610.411.9

Samples from 3 Jun 2011 to 6 Mar 2012

NotationDeterminandUnits 3 Jun
2011
12:33
6 Jul
2011
13:20
28 Jul
2011
13:50
5 Sep
2011
14:15
7 Oct
2011
12:55
10 Nov
2011
14:44
28 Nov
2011
14:33
10 Jan
2012
13:57
8 Feb
2012
13:59
6 Mar
2012
14:08
0061pH8.358.197.858.188.117.887.928.078.138.14
0076Temperature of Water°C19.2619.9319.916.6612.9211.97.968.794.17.73
0077Conductivity at 25 Cμs/cm106111289461149109511011220114312271150
0111Ammoniacal Nitrogen as Nmg/l0.0810.063< 0.030.0461.240.039< 0.030.0410.1560.189
0116Nitrogen, Total Oxidised as Nmg/l171412.815.412.620.620.218.115.517
0117Nitrate as Nmg/l16.913.912.815.412.320.620.218.115.416.9
0118Nitrite as Nmg/l0.1030.09540.04340.04510.2620.04540.02540.03680.06360.0999
0119Ammonia un-ionised as Nmg/l0.00290.00236< 0.00080.001360.0280.00062< 0.000390.000680.001840.00292
0162Alkalinity to pH 4.5 as CaCO3mg/l219222222203227192195201219198
0180Orthophosphate, reactive as Pmg/l0.8020.3810.3340.3540.3340.8890.5280.5520.4130.278
9901Oxygen, Dissolved, % Saturation%105.6103.8108.599.6102.598.5102.4102.898.7109
9924Oxygen, Dissolved as O2mg/l9.729.439.869.6710.810.612.111.912.913