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sampling point
Hart At Hartford Bridge

Description HART AT HARTFORD BRIDGE
Sampling point ID TH-PLDR0019
Type Freshwater – Rivers
Status open
Location easting northing: 477480 157840
lat lon: 51.314401, -0.889684
Area West Thames
Sub-Area L&W South Wt
Summary 202 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.

37 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • AmoniaTotYSI
  • BOD ATU
  • Cadmium - Cd
  • Calcium - Ca
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • GCMS Semi-Q
  • Hardness
  • Lead - as Pb
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • SI-E
  • SI-EC-F
  • SI-GQA
  • SI-M
  • 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 202 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Sep 2016 to 21 Jun 2024

NotationDeterminandUnits 5 Sep
2016
09:26
1 Dec
2016
11:46
10 Jan
2017
11:37
2 Oct
2023
13:07
13 Nov
2023
11:09
5 Dec
2023
09:51
3 Jan
2024
09:05
1 Feb
2024
11:24
5 Mar
2024
10:42
21 Jun
2024
13:00
0061pH7.537.567.97.047.147.347.487.737.67.64
0076Temperature of Water°C16.33.36.516.510.77.28.68.48.115.4
0077Conductivity at 25 Cμs/cm735596570705455475367576503705
0085BOD : 5 Day ATUmg/l1.54.5< 21.81.4< 21.1
0111Ammoniacal Nitrogen as Nmg/l0.0850.2660.090.0381.60.140.0810.15< 0.03
0116Nitrogen, Total Oxidised as Nmg/l12.29.094.12133.33.22.46.34.913
0117Nitrate as Nmg/l12.18.984.0712.93.223.152.376.254.8613
0118Nitrite as Nmg/l0.1420.1060.05060.0710.0840.050.0290.0490.0420.029
0119Ammonia un-ionised as Nmg/l0.000850.001080.001010.000130.004310.000460.000410.00096< 0.00036
0162Alkalinity to pH 4.5 as CaCO3mg/l117851118395110110160130160
0180Orthophosphate, reactive as Pmg/l0.2830.0760.2130.0640.060.0830.050.0410.070.051
9901Oxygen, Dissolved, % Saturation%46.972.1105.863.961.379.780.786.98692.5
9924Oxygen, Dissolved as O2mg/l4.599.61136.226.799.619.410.210.19.22

Samples from 16 Jan 2014 to 1 Jun 2016

NotationDeterminandUnits16 Jan
2014
09:37
1 Apr
2014
12:07
7 Jul
2014
11:48
1 Oct
2014
14:28
2 Feb
2015
11:15
7 May
2015
10:49
4 Aug
2015
12:41
5 Nov
2015
12:19
1 Mar
2016
11:42
1 Jun
2016
10:54
0061pH7.47.827.527.67.77.87.577.667.737.89
0076Temperature of Water°C811.317.515.83.811.916.2137.712.9
0077Conductivity at 25 Cμs/cm415572661679580513771534597470
0111Ammoniacal Nitrogen as Nmg/l0.3170.0540.248< 0.030.1460.0882.010.0320.1610.141
0116Nitrogen, Total Oxidised as Nmg/l3.526.267.769.295.264.877.15.445.93.42
0117Nitrate as Nmg/l3.496.217.529.265.184.796.855.45.773.36
0118Nitrite as Nmg/l0.03410.05480.2390.02760.07960.0810.2520.04020.1280.0623
0119Ammonia un-ionised as Nmg/l0.001270.000720.00264< 0.000340.000850.001170.02180.000340.001340.00248
0162Alkalinity to pH 4.5 as CaCO3mg/l99160155144146114131115164121
0180Orthophosphate, reactive as Pmg/l0.1290.2280.2820.2180.1480.0990.1660.1030.2170.116
9901Oxygen, Dissolved, % Saturation%72.77990.2649284.251.277.785.971.2
9924Oxygen, Dissolved as O2mg/l8.68.638.616.3312.19.075.028.1710.27.5