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sampling point
Harcourt Brook Above Limb Brook

Description HARCOURT BROOK ABOVE LIMB BROOK
Sampling point ID TH-PTHR0216
Type Freshwater – Rivers
Status open
Location easting northing: 442503 206570
lat lon: 51.756207, -1.385628
Area West Thames
Sub-Area L&W North Wt
Summary 165 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
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Fluoranthene
  • Ind123pyrene
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • SI-GQA
  • Temp Water
  • Type of Flow
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 165 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Aug 2023 to 2 Jul 2024

NotationDeterminandUnits15 Aug
2023
10:24
28 Sep
2023
12:02
13 Oct
2023
13:57
6 Nov
2023
10:17
6 Dec
2023
13:12
23 Jan
2024
14:17
28 Feb
2024
09:07
15 Mar
2024
10:58
3 Jun
2024
12:48
2 Jul
2024
09:29
0061pH7.857.847.587.557.757.667.717.748.077.91
0076Temperature of Water°C15.915.316.310.478.4811.114.813.7
0077Conductivity at 25 Cμs/cm826874679804791801787781859928
0085BOD : 5 Day ATUmg/l137.82.4< 51.2< 1< 3< 12< 3
0111Ammoniacal Nitrogen as Nmg/l0.033< 0.030.0760.130.170.180.150.140.0430.06
0116Nitrogen, Total Oxidised as Nmg/l14147.176.66.84.75.69.216
0117Nitrate as Nmg/l13.91476.96.536.734.645.559.1416
0118Nitrite as Nmg/l0.070.020.10.10.0670.0690.0620.0480.060.046
0119Ammonia un-ionised as Nmg/l0.00066< 0.000560.000850.000880.001410.001350.001220.001530.001110.00117
0162Alkalinity to pH 4.5 as CaCO3mg/l260260240250320320330330320280
0180Orthophosphate, reactive as Pmg/l1.91.90.990.230.230.230.220.240.962
9901Oxygen, Dissolved, % Saturation%71.365.557.847.264.467.56080.876.273.4
9924Oxygen, Dissolved as O2mg/l7.036.555.655.277.817.97.098.877.77.6

Samples from 4 Apr 2017 to 14 Jan 2020

NotationDeterminandUnits 4 Apr
2017
15:15
15 May
2017
09:54
2 Jun
2017
10:09
7 Jul
2017
14:11
2 Aug
2017
08:45
26 Sep
2017
10:39
27 Jun
2019
14:03
26 Sep
2019
12:10
18 Nov
2019
11:06
14 Jan
2020
11:55
0061pH7.97.827.797.687.637.68
0076Temperature of Water°C12.119.916.515.68.46.9
0077Conductivity at 25 Cμs/cm861948882767829473
0111Ammoniacal Nitrogen as Nmg/l0.0330.0510.07< 0.030.1610.07
0116Nitrogen, Total Oxidised as Nmg/l11.620.416.69.39.736.2
0117Nitrate as Nmg/l11.520.316.59.289.496.18
0118Nitrite as Nmg/l0.07950.05790.05420.0240.2380.019
0119Ammonia un-ionised as Nmg/l0.000560.001280.00128< 0.00040.001120.00049
0162Alkalinity to pH 4.5 as CaCO3mg/l280227238180288210
0180Orthophosphate, reactive as Pmg/l1.062.972.110.0470.2470.16
0714Benzo(g,h,i)Peryleneμg/l0.001270.002380.001860.00084
0731Benzo(b)Fluorantheneμg/l0.001120.001710.00077
0733Benzo(k)Fluorantheneμg/l0.000460.000780.000720.00035
0736Fluorantheneμg/l0.003240.004780.002360.00295
0746Indeno(1,2,3-cd)pyreneμg/l0.001040.001920.0008
6399Benzo(a)Pyreneμg/l0.001820.00052< 2.0e-050.001390.000950.00063
9901Oxygen, Dissolved, % Saturation%83.860.458.356.748.182.8
9924Oxygen, Dissolved as O2mg/l8.995.495.685.635.6310.1