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sampling point
Northfield Brook At Sandford

Description NORTHFIELD BROOK AT SANDFORD
Sampling point ID TH-PTHR0048
Type Freshwater – Rivers
Status open
Location easting northing: 453417 201893
lat lon: 51.713227, -1.22824
Area West Thames
Sub-Area L&W North Wt
Summary 268 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.

76 determinands have been measured at this site
  • 4-nonPhenol
  • Acetonitrile
  • Acrylic Acid
  • Action taken
  • Al- Filtered
  • Alky pH 4.5
  • Aluminium-Al
  • Ammonia(N)
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • C - Org Filt
  • C Organic DW
  • Cadmium - Cd
  • Cd - Dry Wt
  • Cd Filtered
  • Chloride Ion
  • Cond @ 25C
  • Cr- Filtered
  • Cu Filtered
  • Cyanide - CN
  • DEHP
  • DrySolids30C
  • Fe- Filt
  • GS Kurtosis
  • GS Mean
  • GS Median
  • GSF 125-249
  • GSF 1k- 2k
  • GSF 250-499
  • GSF 2k-4k
  • GSF 500-999
  • GSF 62.5-124
  • GSF <20
  • GSF >8000
  • GSF4000-7999
  • GraphSkewn
  • Hg - Dry Wt
  • Hg Filtered
  • Ind123pyrene
  • Mercury - Hg
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • PBDE 100
  • PBDE 153
  • PBDE 154
  • PBDE 28
  • PBDE 47
  • PBDE 99
  • Pb Filtered
  • SI-EC-CD
  • SI-GQA
  • Sample Prep
  • Sieved < 63
  • Sld V @400C
  • Sld V @480C
  • Solids <63um
  • Sort Coeff
  • Temp Water
  • TriBT Cation
  • Triclosan
  • Type of Flow
  • Zinc - as Zn
  • Zn- Filtered
  • pH
  • pH in-situ
  • ptOctylPheno
  • t-DothlDry

Sampling results

Displaying the twenty most recent samples. You can see all 268 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Sep 2023 to 3 Jul 2024

NotationDeterminandUnits22 Sep
2023
14:37
9 Oct
2023
13:31
27 Oct
2023
11:30
10 Nov
2023
08:57
1 Dec
2023
10:20
2 Jan
2024
09:34
2 Feb
2024
08:36
1 Mar
2024
08:43
17 Jun
2024
13:10
3 Jul
2024
09:11
0061pH7.727.377.427.427.57.487.557.547.347.45
0076Temperature of Water°C17.919.815.911.411.111.311.58.918.917.4
0077Conductivity at 25 Cμs/cm872107394963810317279927899621048
0085BOD : 5 Day ATUmg/l< 2< 3< 25.83.7< 3< 37.51.3< 3
0111Ammoniacal Nitrogen as Nmg/l0.180.130.190.190.361.30.5320.811.5
0116Nitrogen, Total Oxidised as Nmg/l1823189.51911178.11423
0117Nitrate as Nmg/l17.922.917.99.4318.410.816.77.813.622.5
0118Nitrite as Nmg/l0.110.0930.0910.0670.590.160.280.30.440.46
0119Ammonia un-ionised as Nmg/l0.003110.001170.001430.001030.002280.007990.003880.01180.006340.0135
0162Alkalinity to pH 4.5 as CaCO3mg/l180200190150230190230160220210
0180Orthophosphate, reactive as Pmg/l0.280.570.230.140.210.160.10.20.480.74
9901Oxygen, Dissolved, % Saturation%76.162.475.482.373.578.171.974.265.455.3
9924Oxygen, Dissolved as O2mg/l7.25.687.448.978.078.537.828.586.065.29

Samples from 13 Feb 2020 to 7 Sep 2023

NotationDeterminandUnits13 Feb
2020
15:16
13 Mar
2020
15:03
17 May
2021
12:38
1 Jun
2021
15:26
2 Jul
2021
12:59
2 Aug
2021
08:54
9 Jun
2023
11:05
14 Jul
2023
08:14
7 Aug
2023
08:23
7 Sep
2023
14:58
0061pH7.467.427.547.37.237.597.387.277.457.23
0076Temperature of Water°C11.112.515.518.51917.718.318.717.123.1
0077Conductivity at 25 Cμs/cm87410269371005100495310579829421051
0085BOD : 5 Day ATUmg/l7.6171.81.3< 31< 3< 6< 31.3
0111Ammoniacal Nitrogen as Nmg/l1.73.30.160.120.10.160.530.360.140.54
0116Nitrogen, Total Oxidised as Nmg/l19201621241822231920
0117Nitrate as Nmg/l18.619.415.820.923.917.921.622.718.819.7
0118Nitrite as Nmg/l0.430.570.190.110.0530.0640.360.350.170.34
0119Ammonia un-ionised as Nmg/l0.009830.01930.001540.000830.000610.002030.004350.002370.001230.00449
0162Alkalinity to pH 4.5 as CaCO3mg/l180250200180160200210160200200
0180Orthophosphate, reactive as Pmg/l0.280.480.20.320.250.330.520.360.360.43
9901Oxygen, Dissolved, % Saturation%92.854.467.37774.466.35446.365.253
9924Oxygen, Dissolved as O2mg/l10.25.786.77.26.886.35.074.316.274.53