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sampling point
Cranbrook Drn. Colnefields Farm B1050

Description CRANBROOK DRAIN COLNEFIELDS FARM B1050
Sampling point ID AN-52M14
Type Freshwater – Rivers
Status open
Location easting northing: 537159 278102
lat lon: 52.383771, 0.013837
Area Cambridgeshire And Bedfordshire
Sub-Area Brampton Team Sub Area
Summary 171 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.

26 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOROPHYLL
  • COD as O2
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • O Diss% Satn
  • O Dissolved
  • Orthophospht
  • Oxygen Diss
  • Phosphorus-P
  • 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 171 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Jul 2023 to 17 Jun 2024

NotationDeterminandUnits11 Jul
2023
09:49
2 Aug
2023
15:37
8 Sep
2023
09:07
4 Oct
2023
12:05
2 Nov
2023
10:35
4 Dec
2023
14:27
2 Jan
2024
13:48
6 Feb
2024
11:49
4 Mar
2024
14:30
17 Jun
2024
10:00
0061pH7.83
0076Temperature of Water°C17.919.118.115.311.15.999.98.215.7
0077Conductivity at 25 Cμs/cm873983990102380364054610559241042
0085BOD : 5 Day ATUmg/l2.9< 41.21.8< 2< 4< 21.7< 2< 1
0092Chemical Oxygen Demand :- {COD}mg/l1920212554666527
0111Ammoniacal Nitrogen as Nmg/l< 0.031< 0.030.330.081< 0.030.181.50.63
0116Nitrogen, Total Oxidised as Nmg/l2329272217159.1181021
0117Nitrate as Nmg/l22.928.62721.716.9159.0617.79.8120.5
0118Nitrite as Nmg/l0.140.40.040.350.0560.0270.0430.330.190.52
0119Ammonia un-ionised as Nmg/l0.0119
0135Solids, Suspended at 105 Cmg/l17127.16.4911601801222
0162Alkalinity to pH 4.5 as CaCO3mg/l250
0172Chloridemg/l727982844935247044
0180Orthophosphate, reactive as Pmg/l0.280.190.250.210.130.180.180.140.150.54
0182Silica, reactive as SiO2mg/l15161717119.89.5119.9
0348Phosphorus, Total as Pmg/l0.380.270.310.260.260.440.420.210.22
7887Chlorophyll : Acetone Extractμg/l7.53.14.81.13.34.84.61.71.2
9901Oxygen, Dissolved, % Saturation%78.783.987.488.579.688.984.78287.879.7
9924Oxygen, Dissolved as O2mg/l7.447.748.238.848.7311.19.779.2510.37.9

Samples from 6 Sep 2022 to 7 Jun 2023

NotationDeterminandUnits 6 Sep
2022
13:48
7 Oct
2022
13:23
2 Nov
2022
12:23
5 Dec
2022
12:42
17 Jan
2023
12:10
8 Feb
2023
13:29
7 Mar
2023
12:11
21 Apr
2023
13:07
9 May
2023
12:56
7 Jun
2023
12:31
0061pH7.747.877.747.81
0076Temperature of Water°C19.715.212.28.93.75.57.311.213.915.7
0077Conductivity at 25 Cμs/cm996959988109810801105114310138761026
0085BOD : 5 Day ATUmg/l< 22.31.71.31.52.53.32.5< 32
0092Chemical Oxygen Demand :- {COD}mg/l31172827253229275524
0111Ammoniacal Nitrogen as Nmg/l0.37< 0.03< 0.030.0420.0530.70.630.440.640.64
0116Nitrogen, Total Oxidised as Nmg/l28292027273028211927
0117Nitrate as Nmg/l27.728.919.926.926.929.527.420.618.726.2
0118Nitrite as Nmg/l0.310.0760.080.060.0840.50.570.420.270.77
0135Solids, Suspended at 105 Cmg/l129.5188.21116126.6255.7
0172Chloridemg/l957874797891100695080
0180Orthophosphate, reactive as Pmg/l0.50.420.30.210.130.190.140.0980.210.18
0182Silica, reactive as SiO2mg/l171616151113126.99.814
0348Phosphorus, Total as Pmg/l0.580.480.380.260.160.310.230.150.320.23
7887Chlorophyll : Acetone Extractμg/l3.73.44.71.61.35.96.86.4239.5
9901Oxygen, Dissolved, % Saturation%81.287.877.682.888.591.7102.5117.774.6113.5
9924Oxygen, Dissolved as O2mg/l7.48.798.39.5711.711.512.312.97.6811.2