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sampling point
Whitewater Above Blackwater

Description WHITEWATER ABOVE BLACKWATER
Sampling point ID TH-PLDR0045
Type Freshwater – Rivers
Status open
Location easting northing: 474100 163390
lat lon: 51.364746, -0.937018
Area West Thames
Sub-Area L&W South 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.

30 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • AmoniaTotYSI
  • BOD ATU
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • SI-EC-F
  • SI-GQA
  • Sld Sus@105C
  • Temp Water
  • 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 26 Oct 2016 to 9 Jul 2024

NotationDeterminandUnits26 Oct
2016
11:49
3 Feb
2017
10:29
17 May
2019
13:28
8 Jul
2019
11:06
4 Sep
2019
09:48
1 Nov
2019
13:38
14 Jan
2020
09:49
4 Mar
2020
13:48
21 Jun
2024
13:18
9 Jul
2024
08:47
0061pH7.937.617.1687.797.87.877.928.027.91
0076Temperature of Water°C11.87.812.316.815.511.48.46.915.715.1
0077Conductivity at 25 Cμs/cm638511655702735639539539668587
0085BOD : 5 Day ATUmg/l1.1< 3
0111Ammoniacal Nitrogen as Nmg/l< 0.030.1810.038< 0.03< 0.03< 0.030.930.098< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l10.14.98.398.8118.35.36.5127.7
0117Nitrate as Nmg/l10.14.858.378.76118.285.216.46127.68
0118Nitrite as Nmg/l0.01450.04810.02240.0370.010.0180.0950.040.0130.017
0119Ammonia un-ionised as Nmg/l< 0.000530.001160.00012< 0.0009< 0.00051< 0.000390.01120.00119< 0.00083< 0.00065
0162Alkalinity to pH 4.5 as CaCO3mg/l159121182180150180160180190170
0180Orthophosphate, reactive as Pmg/l0.0720.1180.0690.0890.10.0540.110.0560.0380.058
9901Oxygen, Dissolved, % Saturation%74.983.98890.283.185.381.895.79786.7
9924Oxygen, Dissolved as O2mg/l8.099.979.48.738.279.39.5811.69.618.7

Samples from 8 Aug 2014 to 25 Jul 2016

NotationDeterminandUnits 8 Aug
2014
11:58
17 Nov
2014
14:46
8 Dec
2014
13:24
11 Mar
2015
09:42
4 Jun
2015
11:26
17 Sep
2015
11:36
30 Nov
2015
12:44
11 Jan
2016
09:27
14 Apr
2016
12:03
25 Jul
2016
11:05
0061pH7.797.597.847.987.847.627.848.497.78.14
0076Temperature of Water°C17.19.96.2713.513.310.36.61117
0077Conductivity at 25 Cμs/cm650480605624409609409577649
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0670.1230.0490.1790.1190.2940.072< 0.03
0116Nitrogen, Total Oxidised as Nmg/l8.077.867.798.643.896.613.986.258.2
0117Nitrate as Nmg/l8.067.87.738.63.846.53.956.198.19
0118Nitrite as Nmg/l0.0090.05780.05970.04210.04750.110.0350.0640.0129
0119Ammonia un-ionised as Nmg/l< 0.000570.000640.001720.00080.001760.001540.004180.00072< 0.00091
0162Alkalinity to pH 4.5 as CaCO3mg/l18116018317095166111174190
0180Orthophosphate, reactive as Pmg/l0.1240.0650.0470.1220.1420.0660.0970.0410.088
9901Oxygen, Dissolved, % Saturation%80.563.486.370.360.373.979.986.273.3
9924Oxygen, Dissolved as O2mg/l7.747.1610.57.316.38.279.789.497.07