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sampling point
Lee Above Luton Hoo Lakes

Description LEE ABOVE LUTON HOO LAKES
Sampling point ID TH-PLER0051
Type Freshwater – Rivers
Status open
Location easting northing: 510400 220200
lat lon: 51.869454, -0.397912
Area Hertfordshire And North London
Sub-Area L&W Herts & North London
Summary 290 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.

161 determinands have been measured at this site
  • 1,1,1,2 -TET
  • 1,1,1-TCA
  • 1,1-Dichloro
  • 1,2 -DIBROMO
  • 1,2,3-TCB
  • 1,2,3-Trimet
  • 1,2,4-TCB
  • 1,2,4-Trimet
  • 1,2-DCB
  • 1,3 -DICHLOR
  • 1,3 -DICHLOR
  • 1,3 -DICHLOR
  • 1,3,5-TCB
  • 1,3-DCB
  • 1122TetClEth
  • 112TCEthan
  • 11DClEthan
  • 11DiClPropen
  • 12-DCA
  • 123TriClProp
  • 12DCPa
  • 12Dibromethn
  • 12Propandiol
  • 135TriMeBenz
  • 14Dichlrbnzn
  • 2,2' Oxybise
  • 22DCPropan
  • 2Chlortoluen
  • 3Chlorotolun
  • 4 -ISO-PROPY
  • 4-nonPhenol
  • 4Chlorotolun
  • Action taken
  • Ag - Dry Wt
  • Al - Dry Wt
  • Alky pH 4.5
  • Ammonia(N)
  • AmoniaTotYSI
  • Arsenic - As
  • As - DWt
  • As-Filtered
  • B - Dry Wt
  • BOD ATU
  • BROMO-DCM
  • Ba - Dry Wt
  • Be - Dry Wt
  • Benzene
  • BrClMethan
  • Bromobenzene
  • Bromoform
  • Butan1,3Diol
  • Butan1,4Diol
  • C - Org Filt
  • Ca - Dry Wt
  • Ca Filtered
  • Calcium - Ca
  • Carbon Tet
  • Carbon diS
  • Cd - Dry Wt
  • Cd Filtered
  • Chlordbrmthn
  • Chloride Ion
  • Chlorobenzen
  • Chloroform
  • Chloromethan
  • Co - Dry Wt
  • Cond @ 25C
  • Cr - Dry Wt
  • Cr- Filtered
  • Cu - Dry Wt
  • Cu BLM Bio
  • Cu Filtered
  • Cypermeth ID
  • Cypermethrin
  • DEHP
  • DELTAMETHRIN
  • DiClMe
  • Dibromomethn
  • DrySolids30C
  • ETBE
  • Ethan1,2diol
  • Ethenylbenzn
  • Ethylbenzene
  • Fe - Dry Wt
  • Fe- Filt
  • HEXACHLORO 1
  • Hardness
  • Hg - Dry Wt
  • HxClEthane
  • ICP-MS Semiq
  • IsoPropylBen
  • K - Dry Wt
  • Lithium DWt
  • MTBE
  • Magnesium-Mg
  • Mg - Dry Wt
  • Mn - Dry Wt
  • Mn BLM Bio
  • Mn- Filtered
  • Mo - Dry Wt
  • N Oxidised
  • NH3 un-ion
  • NH4+FieldDet
  • NO FLOW/SAMP
  • Na - Dry Wt
  • Naphthalene
  • Ni - Dry Wt
  • Ni BLM Bio
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Oil,Grse,Fat
  • Orthophospht
  • Oxygen Diss
  • P - Dry Wt
  • Pb - Dry Wt
  • Pb BLM Bio
  • Pb Filtered
  • Permethrn-Tr
  • Permethrn-cs
  • Propan13Diol
  • SALinsitu
  • SI-E
  • SI-GQA
  • Sample Prep
  • Sb - Dry Wt
  • Se - Dry Wt
  • SecButylbenz
  • Sld Sus@105C
  • Sn - Dry Wt
  • Sr - Dry Wt
  • TAME
  • Temp Water
  • TertButylbnz
  • TetClEthene
  • Ti - Dry Wt
  • Tl - Dry Wt
  • Toluene
  • TrCFMethan
  • TriBT Cation
  • Trichloroeth
  • Triclosan
  • TriethylnGly
  • Trihalomethn
  • Type of Flow
  • V - Dry Wt
  • Vinyl Cl
  • Zn - Dry Wt
  • Zn BLM Bio
  • Zn- Filtered
  • c12DClEthe
  • m-p-Xylene
  • nButylbenzne
  • nPropylbenzn
  • o-Xylene
  • pH
  • pH in-situ
  • ptOctylPheno
  • t12DCEe

Sampling results

Displaying the twenty most recent samples. You can see all 290 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Sep 2023 to 18 Jun 2024

NotationDeterminandUnits 6 Sep
2023
13:15		 9 Oct
2023
10:05		13 Nov
2023
11:20		 8 Dec
2023
14:06		 9 Jan
2024
11:27		 8 Feb
2024
11:19		 7 Mar
2024
09:08		 2 Apr
2024
10:08		10 May
2024
10:19		18 Jun
2024
10:08
0061pH7.287.097.827.637.87.917.517.53
0076Temperature of Water°C18.313.810.48.77.16.810.114.7
0077Conductivity at 25 Cμs/cm793943681860862379891839
0085BOD : 5 Day ATUmg/l< 1
0111Ammoniacal Nitrogen as Nmg/l1.72.20.210.190.110.0980.110.12
0116Nitrogen, Total Oxidised as Nmg/l2.94.34.45.17.72.586.7
0117Nitrate as Nmg/l2.743.884.365.037.672.487.966.62
0118Nitrite as Nmg/l0.160.420.0390.0670.0290.0240.0370.076
0119Ammonia un-ionised as Nmg/l0.01110.006660.002620.001360.001030.001150.000660.00106
0162Alkalinity to pH 4.5 as CaCO3mg/l25028018020026094250250
0180Orthophosphate, reactive as Pmg/l0.10.140.0220.0240.0340.0310.0330.037
1049Carbon tetrachloride :- {Tetrachloromethane}μg/l< 0.1< 0.1< 0.1
1200Trihalomethanes : Total :- {THM}μg/l0.470.410.41
32681,1,1-Trichloroethaneμg/l0.370.340.37
32691,1-Dichloroethaneμg/l0.11< 0.10.1
32721,2-Dichloroethaneμg/l< 0.1< 0.1< 0.1
3282Bromodichloromethaneμg/l< 0.1< 0.1< 0.1
3283Bromoform :- {Tribromomethane}μg/l< 0.1< 0.1< 0.1
3290Chlorobenzeneμg/l< 0.1< 0.1< 0.1
3292Chlorodibromomethaneμg/l< 0.1< 0.1< 0.1
3328Tetrachloroethylene :- {Perchloroethylene}μg/l4.9> 53.6
3334Trichloroethylene :- {Trichloroethene}μg/l0.460.40.43
3373Chloroform :- {Trichloromethane}μg/l0.170.110.11
3781Benzeneμg/l< 0.1< 0.1< 0.1
3784Toluene :- {Methylbenzene}μg/l0.1< 0.1< 0.1
4117Ethylbenzeneμg/l< 0.1< 0.1< 0.1
65341,1,1,2-Tetrachloroethaneμg/l< 0.1< 0.1< 0.1
6538cis-1,2-Dichloroethylene :- {cis-1,2-Dichloroethene}μg/l0.540.470.57
6539trans-1,2-Dichloroethylene :- {trans-1,2-Dichloroethene}μg/l< 0.1< 0.1< 0.1
6656MTBE :- {Methyl tert-butyl ether}μg/l< 0.1< 0.1< 0.1
6715Vinyl chloride :- {Chloroethylene}μg/l< 0.1< 0.1< 0.1
6716Dimethylbenzene : Sum of isomers (1,3- 1,4-)μg/l< 0.2< 0.2< 0.2
75311,1,2,2-Tetrachloroethaneμg/l< 0.1< 0.1< 0.1
98111,1,2-Trichloroethaneμg/l< 0.1< 0.1< 0.1
98361,1-Dichloroethylene :- {1,1-Dichloroethene}μg/l0.290.250.26
9839tert-Amyl methyl ether :- {TAME}μg/l< 0.1< 0.1< 0.1
9844Ethyl tert-butyl ether :- {ETBE}μg/l< 0.1< 0.1< 0.1
98451,2-Dimethylbenzene :- {o-Xylene}μg/l< 0.1< 0.1< 0.1
9888Styrene :- {Vinylbenzene}μg/l< 0.1< 0.1< 0.1
9901Oxygen, Dissolved, % Saturation%50.327.189.772.787.8106.279.168.5
9924Oxygen, Dissolved as O2mg/l4.722.8108.4510.612.98.896.93

Samples from 9 Dec 2022 to 11 Aug 2023

NotationDeterminandUnits 9 Dec
2022
11:19		12 Dec
2022
11:40		 1 Feb
2023
09:16		 7 Mar
2023
14:26		30 Mar
2023
09:01		26 Apr
2023
09:39		 4 May
2023
09:40		 8 Jun
2023
11:24		 5 Jul
2023
12:38		11 Aug
2023
09:02
0061pH6.497.467.697.857.887.767.687.617.737.51
0073Cypermethrinμg/l0.00042< 0.00020.0001
0076Temperature of Water°C5.756.97.410.79.411.113.715.116.7
0077Conductivity at 25 Cμs/cm838956893888814703876858791660
0085BOD : 5 Day ATUmg/l< 2< 61.12.8< 1
0111Ammoniacal Nitrogen as Nmg/l1.41.20.210.350.0920.210.170.170.0840.42
0116Nitrogen, Total Oxidised as Nmg/l3.43.96.45.35.94.96.55.812.3
0117Nitrate as Nmg/l3.33.816.355.215.864.836.425.660.972.12
0118Nitrite as Nmg/l0.0970.0860.0540.0930.0450.0710.0760.140.030.18
0119Ammonia un-ionised as Nmg/l0.000580.004410.001510.003750.001350.002130.001630.001680.001210.00412
0162Alkalinity to pH 4.5 as CaCO3mg/l25025026024023022026024075200
0180Orthophosphate, reactive as Pmg/l0.120.10.0430.0390.0220.020.0220.0690.0430.11
1049Carbon tetrachloride :- {Tetrachloromethane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
1200Trihalomethanes : Total :- {THM}μg/l< 0.4< 0.4< 0.4< 0.4< 0.4
32681,1,1-Trichloroethaneμg/l< 0.1< 0.10.14< 0.1< 0.1
32691,1-Dichloroethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
32721,2-Dichloroethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3282Bromodichloromethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3283Bromoform :- {Tribromomethane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3290Chlorobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3292Chlorodibromomethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3299Dichloromethane :- {Methylene Dichloride}μg/l< 0.5< 0.5< 0.5< 0.5< 0.5
3328Tetrachloroethylene :- {Perchloroethylene}μg/l2.93.14.12.61.8
3334Trichloroethylene :- {Trichloroethene}μg/l0.350.420.310.190.2
3373Chloroform :- {Trichloromethane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3781Benzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3783Dibromomethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
3784Toluene :- {Methylbenzene}μg/l0.340.28< 0.1< 0.1< 0.1
40491,4-Dichlorobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
4117Ethylbenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
5234Hexachloroethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
5446Cypermethrin Identificationtext111
55683-Chlorotoluene :- {3-Chloromethylbenzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6376Chloromethane :- {Methyl Chloride}μg/l< 0.5< 0.5< 0.5< 0.5< 0.5
65341,1,1,2-Tetrachloroethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
65371,2-Dibromo-3-chloropropaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6538cis-1,2-Dichloroethylene :- {cis-1,2-Dichloroethene}μg/l0.320.50.350.230.25
6539trans-1,2-Dichloroethylene :- {trans-1,2-Dichloroethene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
65401,2-Dichloropropaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
65411,2,3-Trichloropropaneμg/l< 0.5< 0.5< 0.5< 0.5< 0.5
65421,3-Dichloropropaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6543cis-1,3-Dichloropropylene :- {cis-1,3-Dichloropropene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6544trans-1,3-Dichloropropylene :- {trans-1,3-Dichloropropene}μg/l< 0.5< 0.5< 0.5< 0.5< 0.5
65472-Chlorotoluene :- {1-Chloro-2-methylbenzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
65784-Chlorotoluene :- {1-Chloro-4-methylbenzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
65794-Isopropyltoluene :- {4-methyl-Isopropylbenzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6604Bromobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6605Bromochloromethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6648Hexachlorobutadieneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6656MTBE :- {Methyl tert-butyl ether}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6658n-ButylBenzene :- {1-Phenylbutane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6659n-Propylbenzene :- {1-Phenylpropane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6690sec-Butylbenzene :- {1-Methylpropylbenzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6697tert-Butylbenzene :- {(1,1-Dimethylethyl)benzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6711Trichlorofluoromethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6715Vinyl chloride :- {Chloroethylene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
6716Dimethylbenzene : Sum of isomers (1,3- 1,4-)μg/l< 0.2< 0.2< 0.2< 0.2< 0.2
67442,2-Dichloropropaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
75311,1,2,2-Tetrachloroethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
7574Isopropylbenzene :- {Methylethylbenzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
8847Carbon Disulphideμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
90501,2,3-Trichlorobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
90511,2,4-Trichlorobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
90521,3,5-Trichlorobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
91451,2-Dibromoethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
94561,2,4-Trimethylbenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
94571,2,3-Trimethylbenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
94581,3,5-Trimethylbenzene :- {Mesitylene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
96181,2-Dichlorobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
96191,3-Dichlorobenzeneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
9669Naphthaleneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
96841,1-Dichloropropylene :- {1,1-Dichloropropene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
98111,1,2-Trichloroethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1
98361,1-Dichloroethylene :- {1,1-Dichloroethene}μg/l< 0.1< 0.10.1< 0.1< 0.1
9839tert-Amyl methyl ether :- {TAME}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
9844Ethyl tert-butyl ether :- {ETBE}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
98451,2-Dimethylbenzene :- {o-Xylene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
9888Styrene :- {Vinylbenzene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1
9901Oxygen, Dissolved, % Saturation%41.347.872.880.683.283.176.377.671.725.4
9924Oxygen, Dissolved as O2mg/l5.176.18.859.679.229.58.388.037.22.46