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sampling point
Froxfield Stream Above Dun

Description FROXFIELD STREAM ABOVE DUN
Sampling point ID TH-PKER0150
Type Freshwater – Rivers
Status open
Location easting northing: 430317 167949
lat lon: 51.409754, -1.56549
Area West Thames
Sub-Area L&W South Wt
Summary 241 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.

38 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • C - Organic
  • CHLOR A
  • CHLOROPHYLL
  • Cadmium - Cd
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Lead - as Pb
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Phosphorus-P
  • Potassium- K
  • SI-GQA
  • Sld Sus@105C
  • Sld Sus@500C
  • Temp Water
  • Type of Flow
  • Zinc - as Zn
  • Zn- Filtered
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 241 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Sep 2023 to 7 Jun 2024

NotationDeterminandUnits 6 Sep
2023
09:22
20 Oct
2023
09:28
6 Nov
2023
12:38
5 Dec
2023
11:52
4 Jan
2024
10:19
16 Feb
2024
08:12
4 Mar
2024
08:32
11 Apr
2024
08:03
7 May
2024
10:00
7 Jun
2024
08:15
0061pH7.537.597.667.67.567.677.77.517.667.66
0076Temperature of Water°C11.911.89.88.78.59.67.710.411.19.6
0077Conductivity at 25 Cμs/cm607579612617615615625612
0085BOD : 5 Day ATUmg/l2.1< 1< 11.11.22.11.12.1
0111Ammoniacal Nitrogen as Nmg/l0.034< 0.03< 0.03< 0.03< 0.030.041< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l6.45.65.26.46.26.96.96.9
0117Nitrate as Nmg/l6.385.595.196.396.196.896.896.89
0118Nitrite as Nmg/l0.0180.00930.00680.0070.00910.00680.00530.01
0119Ammonia un-ionised as Nmg/l0.00024< 0.00025< 0.00025< 0.0002< 0.000180.00034< 0.00023< 0.00025
0162Alkalinity to pH 4.5 as CaCO3mg/l260250270270260270270270
0180Orthophosphate, reactive as Pmg/l0.0210.080.0460.0450.0460.0430.038< 0.01
0348Phosphorus, Total as Pmg/l0.033
9901Oxygen, Dissolved, % Saturation%80.279.480.78484.685.68983.893.887.4
9924Oxygen, Dissolved as O2mg/l8.648.589.149.769.889.7410.69.3510.39.94

Samples from 13 May 2016 to 10 Aug 2023

NotationDeterminandUnits13 May
2016
10:59
20 Jun
2016
10:27
25 Aug
2016
09:54
12 Oct
2016
13:35
21 Nov
2016
16:12
8 Dec
2016
11:14
27 Jan
2017
09:11
3 Mar
2017
10:09
3 Apr
2017
15:30
10 Aug
2023
07:46
0061pH7.777.647.77.747.687.787.737.77.817.55
0076Temperature of Water°C11.612.613.810.6810.45.38.314.111.3
0077Conductivity at 25 Cμs/cm605575603607544610605612591604
0085BOD : 5 Day ATUmg/l< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.030.064< 0.03< 0.030.1460.0510.1130.055< 0.030.032
0116Nitrogen, Total Oxidised as Nmg/l5.915.965.916.715.586.626.916.316.236.5
0117Nitrate as Nmg/l5.95.945.876.685.536.566.896.36.226.48
0118Nitrite as Nmg/l0.01070.01950.04270.02980.05450.05680.01880.00960.00910.02
0119Ammonia un-ionised as Nmg/l< 0.000370.00062< 0.00037< 0.000320.001110.000580.000790.00045< 0.000480.00023
0162Alkalinity to pH 4.5 as CaCO3mg/l259235257258223255260247262270
0180Orthophosphate, reactive as Pmg/l0.0520.1250.0650.1520.220.1430.1220.0990.0560.036
9901Oxygen, Dissolved, % Saturation%106.181.881.569.77577.284.392.6103.480.2
9924Oxygen, Dissolved as O2mg/l11.58.688.427.748.878.6210.710.910.68.76