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sampling point
Thames At Days Lock

Description THAMES AT DAYS LOCK
Sampling point ID TH-PTHR0083
Type Freshwater – Rivers
Status open
Location easting northing: 456760 193498
lat lon: 51.637427, -1.181221
Area West Thames
Sub-Area L&W North Wt
Summary 222 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.

152 determinands have been measured at this site
  • 1MeNaphth WW
  • 2MeNaphthlnW
  • ACENAPTHEN
  • Acenapthen
  • AcenapthyDW
  • AcenapthyWW
  • Acenapthylen
  • Acenapthylen
  • AcenphthnDWt
  • AcenphthnWW
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • AnthracenDWt
  • AnthracenWW
  • Anthracene
  • Anthracene
  • B(k)Flnth DW
  • B-(a)-antDWt
  • B-(a)-anthra
  • B-(a)-anthra
  • B-[a]-antWW
  • B-[a]-pyrDWt
  • B-[a]-pyrWW
  • B-[a]-pyrene
  • B-[a]-pyrene
  • B-[b]-fluDWt
  • B-[b]-fluora
  • B-[b]-fluora
  • B-[e]-pyrWW
  • B-[e]-pyrene
  • B-[ghi]-pDWt
  • B-[ghi]-pery
  • B-[ghi]-pery
  • B-[k]-fluoWW
  • B-[k]-fluora
  • B-[k]-fluora
  • BOD ATU
  • BenzBflu WW
  • BenzGHIper W
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Calcium - Ca
  • Cd - Dry Wt
  • Cd byHF DW
  • Chloride Ion
  • Chlorophyl-A
  • Chrysene
  • Chrysene
  • Chrysene DWt
  • ChryseneWW
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • DBNZAH_DRY
  • DEHP
  • DEHP
  • Dibenz[ah]an
  • Dibenz[ah]an
  • DrySolids30C
  • FLUORENE
  • Fluoranth WW
  • Fluoranthene
  • Fluoranthene
  • Fluorene
  • Fluorene DW
  • Fluorene WW
  • FluorthneDWt
  • GCMS S-Vol
  • HCB DRY WT
  • HCBD DRY
  • HCBD WET
  • HCH Alpha
  • HCH Beta
  • HCH Beta DWt
  • HCH Beta WWt
  • HCH Delta
  • HCH Epsilon
  • HCH Gamma
  • HCHAlpha DWt
  • HCHAlpha WWt
  • HCHDelta DWt
  • HCHDelta WWt
  • HCHGamma DWt
  • HCHGamma WWt
  • HEXACHLORO 1
  • Hardness
  • Hexachlorbnz
  • HexachlrbnzW
  • Hg - Dry Wt
  • Ind123pyrDWt
  • Ind123pyrWWt
  • Ind123pyrene
  • Ind123pyrene
  • Lipid tot ww
  • Magnesium-Mg
  • Mercury - Hg
  • N Oxidised
  • NH3 un-ion
  • Naphthalene
  • Naphthalene
  • NaphthalnDWt
  • NaphthalnWW
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • PBDE 100
  • PBDE 100 DW
  • PBDE 153
  • PBDE 153 DW
  • PBDE 154
  • PBDE 154 DW
  • PBDE 28
  • PBDE 28 DW
  • PBDE 47
  • PBDE 47 DW
  • PBDE 99
  • PBDE 99 DW
  • PClBenzene
  • PYRENE
  • Pb - Dry Wt
  • Pb byHF DW
  • Perylene
  • Perylene WW
  • Phenanthrene
  • Phenanthrene
  • PhennthrnDWt
  • PhennthrnWW
  • Phenol Odour
  • Pyrene
  • Pyrene DWt
  • Pyrene WW
  • SALinsitu
  • SI-EC-F
  • SI-GQA
  • Sample Prep
  • SiO2 Rv
  • Sld Sus@105C
  • TBTCationDWT
  • TBTCationWWT
  • Temp Water
  • TriBT Cation
  • Type of Flow
  • Zinc - as Zn
  • dB[AH]AntWW
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 222 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Sep 2023 to 13 May 2024

NotationDeterminandUnits 1 Sep
2023
12:40
20 Oct
2023
14:36
13 Nov
2023
12:39
27 Nov
2023
08:53
12 Dec
2023
08:43
18 Jan
2024
09:12
21 Feb
2024
08:35
18 Mar
2024
10:01
23 Apr
2024
12:39
13 May
2024
14:15
0061pH7.997.97.918.118.058.228.058.128.358.36
0076Temperature of Water°C17.812.98.66.97.71.89.610.411.317.6
0077Conductivity at 25 Cμs/cm733614564647568637481577624644
0085BOD : 5 Day ATUmg/l1.71.31.31.5
0111Ammoniacal Nitrogen as Nmg/l0.0620.160.0340.0350.0440.090.0510.059< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l7.35.44.5656.83.756.86.3
0117Nitrate as Nmg/l7.285.374.485.984.976.783.674.966.786.28
0118Nitrite as Nmg/l0.0180.030.0190.0180.0280.0250.0260.0410.0220.022
0119Ammonia un-ionised as Nmg/l0.001950.002880.000460.000510.000680.00090.00090.00111< 0.0006< 0.00095
0162Alkalinity to pH 4.5 as CaCO3mg/l220200220250220240190220230230
0180Orthophosphate, reactive as Pmg/l0.230.210.0910.090.10.0790.0810.0640.0920.11
9901Oxygen, Dissolved, % Saturation%93.692.494.298.393.894.788.697.7105.2100.8
9924Oxygen, Dissolved as O2mg/l8.879.731111.911.213.110.110.911.59.6

Samples from 20 Oct 2022 to 9 Aug 2023

NotationDeterminandUnits20 Oct
2022
16:00
3 Nov
2022
14:58
7 Dec
2022
12:07
23 Jan
2023
14:23
20 Feb
2023
10:07
10 Mar
2023
13:53
16 Jun
2023
10:15
30 Jun
2023
14:11
18 Jul
2023
11:59
9 Aug
2023
13:53
0061pH7.917.858.248.228.298.18.037.958.038
0076Temperature of Water°C1412.86.23.39.16.221.419.718.218.2
0077Conductivity at 25 Cμs/cm870698675626673710681659653675
0085BOD : 5 Day ATUmg/l< 1
0111Ammoniacal Nitrogen as Nmg/l0.060.060.0330.036< 0.030.0850.0480.048< 0.030.031
0116Nitrogen, Total Oxidised as Nmg/l117.37.96.88.186.86.16.35.9
0117Nitrate as Nmg/l10.97.267.886.788.087.966.756.066.275.88
0118Nitrite as Nmg/l0.0510.0370.0180.0250.0220.0370.0510.0410.0260.022
0119Ammonia un-ionised as Nmg/l0.00120.000960.000460.0004< 0.000510.001170.0020.00158< 0.000990.00103
0162Alkalinity to pH 4.5 as CaCO3mg/l200170230220240220210210210210
0180Orthophosphate, reactive as Pmg/l0.320.290.110.0650.0890.130.170.240.210.21
9901Oxygen, Dissolved, % Saturation%83.189.599.799.7104.198.690.988.594.397.4
9924Oxygen, Dissolved as O2mg/l8.549.4512.313.31212.28.028.078.879.16