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sampling point
Windrush At Harford Bridge, Lower Harfor

Description WINDRUSH AT HARFORD BRIDGE, LOWER HARFORD
Sampling point ID TH-PWRR0029
Type Freshwater – Rivers
Status open
Location easting northing: 412870 222890
lat lon: 51.904397, -1.814332
Area West Thames
Sub-Area L&W North Wt
Summary 190 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.

36 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOROPHYLL
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • GCMS S-Vol
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • OrthophsFilt
  • OrthophsFilt
  • Oxygen Diss
  • Phenol Odour
  • Phosphorus-P
  • SI-EC-F
  • SI-GQA
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • Zinc - as Zn
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 190 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Sep 2023 to 27 Jun 2024

NotationDeterminandUnits11 Sep
2023
11:23
20 Oct
2023
10:38
23 Nov
2023
12:44
13 Dec
2023
12:32
17 Jan
2024
12:32
28 Feb
2024
12:29
20 Mar
2024
11:07
26 Apr
2024
10:41
14 May
2024
12:29
27 Jun
2024
13:48
0061pH8.27.88.128.168.38.358.368.478.348.47
0076Temperature of Water°C14.6129.87.96.18.610.9912.314.8
0077Conductivity at 25 Cμs/cm449440485482459466463452445448
0085BOD : 5 Day ATUmg/l< 31.21.11.11.3
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l7.34.676.787.37.38.17.27.8
0117Nitrate as Nmg/l7.294.596.996.697.997.37.298.097.197.79
0118Nitrite as Nmg/l0.00860.00770.00790.00830.00590.00470.00530.00610.0110.011
0119Ammonia un-ionised as Nmg/l< 0.00077< 0.0004< 0.00054< 0.00047< 0.00041< 0.00049< 0.00058< 0.00051< 0.00065< 0.00078
0135Solids, Suspended at 105 Cmg/l6.4166.75.57.38.4105.7
0162Alkalinity to pH 4.5 as CaCO3mg/l160170180180170170170160150150
0180Orthophosphate, reactive as Pmg/l0.0390.0880.0280.0230.0180.0250.0190.0120.0190.026
6396Turbidityntu3.2132.63.72.83.543.2
7887Chlorophyll : Acetone Extractμg/l4.43.20.991.30.881.52.42.3
9901Oxygen, Dissolved, % Saturation%101.986.89896.2101.2104.7107.8110.3106.1110.9
9924Oxygen, Dissolved as O2mg/l10.39.3311.111.412.512.211.912.711.311.2

Samples from 28 Nov 2022 to 14 Aug 2023

NotationDeterminandUnits28 Nov
2022
11:42
14 Dec
2022
14:10
15 Feb
2023
12:05
28 Feb
2023
13:15
16 Mar
2023
09:46
5 Apr
2023
11:37
30 May
2023
14:11
16 Jun
2023
10:37
26 Jul
2023
10:39
14 Aug
2023
10:24
0061pH8.228.398.428.368.278.198.568.268.218.1
0076Temperature of Water°C7.72.76.96.98.39.113.813.311.313.3
0077Conductivity at 25 Cμs/cm471484465459470463436441451446
0085BOD : 5 Day ATUmg/l1.3
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l5.87.47.87.56.46.67.47.97.27.1
0117Nitrate as Nmg/l5.797.397.797.56.396.597.397.897.197.09
0118Nitrite as Nmg/l0.0060.00660.00570.00470.0060.00660.0130.0130.00850.011
0119Ammonia un-ionised as Nmg/l< 0.00046< 0.00032< 0.00044< 0.00044< 0.00048< 0.00051< 0.00072< 0.0007< 0.0006< 0.0007
0135Solids, Suspended at 105 Cmg/l4.249.12914118.38168.2
0162Alkalinity to pH 4.5 as CaCO3mg/l170180160190170170150150160150
0180Orthophosphate, reactive as Pmg/l0.0430.0320.0320.0220.0250.0170.0280.0280.0310.068
6396Turbidityntu3.5124.33.45.31.8
7887Chlorophyll : Acetone Extractμg/l21.23.67.73.92.2< 0.5
9901Oxygen, Dissolved, % Saturation%97.8100.3108.2106.5100.9101.6120.1104.5105.793.1
9924Oxygen, Dissolved as O2mg/l11.713.613.112.911.811.712.410.911.69.72