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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 235 samples taken between 2020 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 235 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Jul 2019 to 16 Mar 2020

NotationDeterminandUnits 7 Jul
2019
11:36
23 Jul
2019
13:03
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
0061pH7.898.157.987.967.827.918.257.837.498.18
0076Temperature of Water°C20.621.920.517.114.56.57.46.57.29.2
0077Conductivity at 25 Cμs/cm689694688387551616673602406602
0111Ammoniacal Nitrogen as Nmg/l0.0760.0520.050.0560.180.0420.050.110.140.053
0116Nitrogen, Total Oxidised as Nmg/l7.59.848.4117.86.77.86.83.56.1
0117Nitrate as Nmg/l7.489.818.38117.766.687.776.763.466.07
0118Nitrite as Nmg/l0.0210.0280.020.0240.0450.0220.0260.0450.0360.034
0119Ammonia un-ionised as Nmg/l0.002340.002250.001870.001570.003040.000480.000750.001050.000650.00091
0162Alkalinity to pH 4.5 as CaCO3mg/l17016718017013020021019091200
0180Orthophosphate, reactive as Pmg/l0.250.3260.280.290.310.120.130.140.10.099
9901Oxygen, Dissolved, % Saturation%65.379.789.687.786.798.593.786.295.297.8
9924Oxygen, Dissolved as O2mg/l5.856.978.058.448.8212.111.210.611.511.2

Samples from 30 Oct 2017 to 30 Jun 2019

NotationDeterminandUnits30 Oct
2017
10:24
24 Nov
2017
10:00
13 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
0061pH7.9587.757.938.0287.847.987.927.81
0076Temperature of Water°C12.49.54.97.422.2249.17.517.820.6
0077Conductivity at 25 Cμs/cm682706585645732724605680707647
0111Ammoniacal Nitrogen as Nmg/l0.0620.0870.2590.060.050.0410.1130.0640.0730.075
0116Nitrogen, Total Oxidised as Nmg/l8.129.777.317.599.218.668.379.389.288.46
0117Nitrate as Nmg/l8.099.747.277.559.188.648.329.359.258.44
0118Nitrite as Nmg/l0.02920.03350.04220.03810.02710.0230.0510.0310.02870.0241
0119Ammonia un-ionised as Nmg/l0.00120.001530.001840.000770.002210.002060.001340.000930.001960.00193
0162Alkalinity to pH 4.5 as CaCO3mg/l170170124188202190140163192162
0180Orthophosphate, reactive as Pmg/l0.2740.240.180.1340.2270.2060.1970.1480.2180.257
9901Oxygen, Dissolved, % Saturation%83.187.6101.292.477.374.588.892.778.172.8
9924Oxygen, Dissolved as O2mg/l8.859.9912.911.16.726.2610.211.17.46.53