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sampling point
Thames At Ravens Ait, Surbiton

Description THAMES AT RAVENS AIT, SURBITON
Sampling point ID TH-PTHR0076
Type Freshwater – Rivers
Status open
Location easting northing: 517600 167900
lat lon: 51.397949, -0.310936
Area West Thames
Sub-Area L&W South Wt
Summary 237 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.

78 determinands have been measured at this site
  • Action taken
  • Aldrin
  • Alky pH 4.5
  • Ammonia(N)
  • AmoniaTotYSI
  • BOD ATU
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chlordane-tr
  • Chloride Ion
  • Chlrdn-cs/Z/
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • DDE (PP')
  • DDT (OP')
  • DDT (PP)
  • Dichlobenil
  • Dieldrin
  • EndosulphanA
  • EndosulphanB
  • Endrin
  • HCH Alpha
  • HCH Beta
  • HCH Delta
  • HCH Gamma
  • Hardness
  • Heptachlor
  • Hexachlorbnz
  • Isodrin
  • Lead - as Pb
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • PCB Con 028
  • PCB Con 052
  • PCB Con 101
  • PCB Con 118
  • PCB Con 138
  • PCB Con 153
  • PCB Con 180
  • PCBs
  • Pb Filtered
  • Permethrn-Tr
  • Permethrn-cs
  • Permthrn c+t
  • Phenol Odour
  • SI-EC-F
  • SI-GQA
  • SiO2 Rv
  • Sld Sus@105C
  • TDE (OP)
  • TDE (PP)
  • Tecnazene
  • Temp Water
  • Trifluralin
  • Type of Flow
  • Zinc - as Zn
  • Zn- Filtered
  • c-Hept Epox
  • pH
  • pH in-situ
  • t-Hept Epox

Sampling results

Displaying the twenty most recent samples. You can see all 237 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Aug 2019 to 16 Sep 2024

NotationDeterminandUnits 8 Aug
2019
10:18
18 Sep
2019
11:54
3 Oct
2019
13:27
22 Nov
2019
11:36
11 Dec
2019
11:23
29 Jan
2020
08:42
18 Feb
2020
08:10
16 Mar
2020
11:01
18 Jul
2024
11:08
16 Sep
2024
11:50
0061pH7.987.967.827.918.257.837.498.187.968.04
0076Temperature of Water°C20.517.114.56.57.46.57.29.218.515.7
0077Conductivity at 25 Cμs/cm688387551616673602406602619638
0085BOD : 5 Day ATUmg/l< 3< 1
0111Ammoniacal Nitrogen as Nmg/l0.050.0560.180.0420.050.110.140.0530.0550.041
0116Nitrogen, Total Oxidised as Nmg/l8.4117.86.77.86.83.56.16.97.4
0117Nitrate as Nmg/l8.38117.766.687.776.763.466.076.877.38
0118Nitrite as Nmg/l0.020.0240.0450.0220.0260.0450.0360.0340.0340.025
0119Ammonia un-ionised as Nmg/l0.001870.001570.003040.000480.000750.001050.000650.000910.00170.00113
0162Alkalinity to pH 4.5 as CaCO3mg/l18017013020021019091200190180
0180Orthophosphate, reactive as Pmg/l0.280.290.310.120.130.140.10.0990.210.22
9901Oxygen, Dissolved, % Saturation%89.687.786.798.593.786.295.297.896.198.7
9924Oxygen, Dissolved as O2mg/l8.058.448.8212.111.210.611.511.28.989.78

Samples from 13 Dec 2017 to 23 Jul 2019

NotationDeterminandUnits13 Dec
2017
10:46
31 Jan
2018
11:56
18 Jul
2018
09:41
26 Jul
2018
10:07
19 Nov
2018
10:48
19 Feb
2019
12:50
30 May
2019
12:03
30 Jun
2019
08:25
7 Jul
2019
11:36
23 Jul
2019
13:03
0061pH7.757.938.0287.847.987.927.817.898.15
0076Temperature of Water°C4.97.422.2249.17.517.820.620.621.9
0077Conductivity at 25 Cμs/cm585645732724605680707647689694
0111Ammoniacal Nitrogen as Nmg/l0.2590.060.050.0410.1130.0640.0730.0750.0760.052
0116Nitrogen, Total Oxidised as Nmg/l7.317.599.218.668.379.389.288.467.59.84
0117Nitrate as Nmg/l7.277.559.188.648.329.359.258.447.489.81
0118Nitrite as Nmg/l0.04220.03810.02710.0230.0510.0310.02870.02410.0210.028
0119Ammonia un-ionised as Nmg/l0.001840.000770.002210.002060.001340.000930.001960.001930.002340.00225
0162Alkalinity to pH 4.5 as CaCO3mg/l124188202190140163192162170167
0180Orthophosphate, reactive as Pmg/l0.180.1340.2270.2060.1970.1480.2180.2570.250.326
9901Oxygen, Dissolved, % Saturation%101.292.477.374.588.892.778.172.865.379.7
9924Oxygen, Dissolved as O2mg/l12.911.16.726.2610.211.17.46.535.856.97