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sampling point
R.Lark Lackford Rd.Br.

Description R.LARK LACKFORD RD.BR.
Sampling point ID AN-37M11
Type Freshwater – Rivers
Status open
Location easting northing: 578800 271100
lat lon: 52.308889, 0.621322
Area Cambridgeshire And Bedfordshire
Sub-Area Ely Team Sub Area
Summary 198 samples taken between 2024 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.

28 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • O Diss% Satn
  • O Dissolved
  • Orthophospht
  • Oxygen Diss
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • Turbidity
  • TurbidityNTU
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 198 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Jul 2023 to 4 Jun 2024

NotationDeterminandUnits 7 Jul
2023
11:42
1 Aug
2023
13:19
19 Sep
2023
14:05
9 Oct
2023
10:58
1 Nov
2023
12:39
12 Dec
2023
10:04
8 Jan
2024
15:14
8 Feb
2024
12:21
4 Mar
2024
15:19
4 Jun
2024
12:34
0061pH7.887.827.857.97.867.87.857.967.927.92
0076Temperature of Water°C16.116.415.314.211.47.74.77.18.115.5
0077Conductivity at 25 Cμs/cm82985710901043846812810773851877
0111Ammoniacal Nitrogen as Nmg/l0.033< 0.03< 0.03< 0.030.190.0910.220.120.220.084
0116Nitrogen, Total Oxidised as Nmg/l56.57.388.29.17.899
0117Nitrate as Nmg/l4.986.497.297.998.059.037.748.928.92
0118Nitrite as Nmg/l0.0160.0120.010.010.150.0750.0620.0780.078
0119Ammonia un-ionised as Nmg/l0.00072< 0.00058< 0.00057< 0.000590.00280.000890.001930.001620.002910.00191
0135Solids, Suspended at 105 Cmg/l< 336.35.95.26.77.8228.88.3
0162Alkalinity to pH 4.5 as CaCO3mg/l260260300300280280290280300280
0180Orthophosphate, reactive as Pmg/l0.130.160.210.120.0980.10.0950.0880.0670.11
6396Turbidityntu< 1< 11.423.25.75.26.44.43.4
7887Chlorophyll : Acetone Extractμg/l2.32.55.85.62.22.625.6194.7
9901Oxygen, Dissolved, % Saturation%9085.278.880.480.584.686.389.998.295.8
9924Oxygen, Dissolved as O2mg/l8.848.327.878.238.7810.111.110.911.69.53

Samples from 22 Sep 2022 to 2 Jun 2023

NotationDeterminandUnits22 Sep
2022
11:02
17 Oct
2022
14:05
2 Nov
2022
13:16
13 Dec
2022
15:24
18 Jan
2023
13:53
3 Feb
2023
10:11
2 Mar
2023
13:52
24 Apr
2023
15:42
12 May
2023
10:40
2 Jun
2023
15:16
0061pH7.867.867.887.787.967.938.048.218.28.19
0076Temperature of Water°C13.212.911.43.63.87.37.212.114.115.3
0077Conductivity at 25 Cμs/cm1078121711781182922102910398809541015
0111Ammoniacal Nitrogen as Nmg/l0.0460.0380.0831.70.490.170.160.0690.110.046
0116Nitrogen, Total Oxidised as Nmg/l7.88.68.69.5119.3106.97.77.9
0117Nitrate as Nmg/l7.768.568.549.3410.89.189.956.837.627.84
0118Nitrite as Nmg/l0.0390.0370.0620.160.160.120.0490.070.0780.059
0119Ammonia un-ionised as Nmg/l0.000770.000620.001280.01170.005170.002170.002380.001470.002710.00123
0135Solids, Suspended at 105 Cmg/l5.87.45.6147.48.69.26.86.35.6
0162Alkalinity to pH 4.5 as CaCO3mg/l270280290290270320280280290280
0180Orthophosphate, reactive as Pmg/l0.140.170.150.180.0980.120.0870.0650.130.099
6396Turbidityntu3.33.32.32.21.7
7887Chlorophyll : Acetone Extractμg/l3.63.72.74.23.37.37.61373.7
9901Oxygen, Dissolved, % Saturation%88.184.579.979.791.386.898.8127.787122
9924Oxygen, Dissolved as O2mg/l9.228.98.7110.51210.411.913.78.9212.2