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sampling point
Quin At Braughing Bridge

Description QUIN AT BRAUGHING BRIDGE
Sampling point ID TH-PLER0118
Type Freshwater – Rivers
Status open
Location easting northing: 539200 224800
lat lon: 51.90435, 0.021992
Area Hertfordshire And North London
Sub-Area L&W Herts & North London
Summary 286 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.

155 determinands have been measured at this site
  • 1,1,1-TCA
  • 11Cl-PF3OUdS
  • 12-DCA
  • 3:3 FTCA
  • 4-nonPhenol
  • 4:2 FTSA
  • 5:3 FTCA
  • 6:2 FTSA
  • 7:3 FTCA
  • 8:2 FTSA
  • 9Cl-PF3ONS
  • ADONA
  • Aclonifen
  • Action taken
  • Alachlor
  • Alky pH 4.5
  • Ammonia(N)
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • Benzene
  • Bifenox
  • C - Org Filt
  • CHLOROPHYLL
  • Ca Filtered
  • Calcium - Ca
  • Carbon Tet
  • Cd Filtered
  • Chloride Ion
  • Chloroform
  • Chlorothalnl
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr Hex Filt
  • Cr Hexavalnt
  • Cr- Filtered
  • Cu BLM Bio
  • Cu Filtered
  • Cyanide - CN
  • DDE (PP')
  • DDT (OP')
  • DDT (PP)
  • DDT Derived
  • DiClBenzPhWW
  • DiClMe
  • Diazinon
  • Dichlorvos
  • Dimethoate
  • EtFOSA
  • EtFOSAA-B
  • EtFOSAA-L
  • FBSA
  • FOSA
  • Fe- Filt
  • Fluoranthene
  • HCH Alpha
  • HCH Beta
  • HCH Delta
  • HCH Gamma
  • HEXACHLORO 1
  • HFPO-DA
  • Hardness
  • Heptachlor
  • Hexachlorbnz
  • ICP-MS Semiq
  • Ind123pyrene
  • Irgarol 1051
  • MR Screen
  • Magnesium-Mg
  • MeFOSAA-B
  • MeFOSAA-L
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Oxidised
  • N-MeFOSA
  • NFDHA
  • NH3 un-ion
  • Ni BLM Bio
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • PBDE 100
  • PBDE 153
  • PBDE 154
  • PBDE 28
  • PBDE 47
  • PBDE 99
  • PCB Con 028
  • PCB Con 052
  • PCB Con 101
  • PCB Con 118
  • PCB Con 138
  • PCB Con 153
  • PCB Con 180
  • PCBs
  • PClBenzene
  • PFBA
  • PFBS
  • PFDS
  • PFDoS
  • PFEESA
  • PFHpS
  • PFHxS-B
  • PFHxS-L
  • PFHxSA
  • PFMOBA
  • PFMOPrA
  • PFNS
  • PFODA
  • PFOS (B)
  • PFOS (L)
  • PFPeS
  • PFTrDA
  • PFUnDS
  • PFdecncAcid
  • PFdodencAcid
  • PFecHS
  • PFheptncAcid
  • PFhexncAcid
  • PFnonncAcid
  • PFoctncAcid
  • PFpentncAcid
  • PFtetdncAcid
  • PFundencAcid
  • Pb BLM Bio
  • Pb Filtered
  • Pendimethaln
  • Phenol Odour
  • Quinoxyfen
  • SI-EC-F
  • SI-GQA
  • Sld Sus@105C
  • TDE (PP)
  • Temp Water
  • Terbutryne
  • TriBT Cation
  • TriPT Cation
  • TurbidityNTU
  • Type of Flow
  • Zinc - as Zn
  • Zn BLM Bio
  • Zn- Filtered
  • c-Hept Epox
  • pH
  • pH in-situ
  • t-Hept Epox

Sampling results

Displaying the twenty most recent samples. You can see all 286 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Aug 2023 to 15 Jul 2024

NotationDeterminandUnits 1 Aug
2023
11:43		 1 Sep
2023
08:30		 2 Oct
2023
08:37		 1 Nov
2023
10:42		 5 Dec
2023
09:39		 8 Jan
2024
08:40		 9 Feb
2024
08:43		 6 Mar
2024
09:21		18 Jun
2024
11:24		15 Jul
2024
11:05
0061pH7.757.567.657.618.017.358.137.777.817.17
0076Temperature of Water°C13.412.312.911.16.4688.312.912.2
0077Conductivity at 25 Cμs/cm766733762745687744441796791788
0085BOD : 5 Day ATUmg/l< 11.1
0111Ammoniacal Nitrogen as Nmg/l0.0370.0340.035< 0.03< 0.03< 0.030.048< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l11119.91116117.4111212
0117Nitrate as Nmg/l11119.861116117.38111212
0118Nitrite as Nmg/l0.0330.0330.0440.0210.00910.010.020.00850.020.02
0119Ammonia un-ionised as Nmg/l0.000490.000270.00036< 0.00024< 0.00042< 9.0e-050.00076< 0.00029< 0.00044< 0.0001
0135Solids, Suspended at 105 Cmg/l< 38.16.815173.53304.1< 34.8
0162Alkalinity to pH 4.5 as CaCO3mg/l270270280270250280180280270270
0180Orthophosphate, reactive as Pmg/l0.110.0440.0460.110.0960.120.110.130.180.2
2921Perfluoro-3-methoxypropanoic acidμg/l< 0.0005< 0.0005
2922Perfluoro-3,6-dioxaheptanoic acidμg/l< 0.0005< 0.0005
2923Perfluoro(4-methoxybutanoic) acidμg/l< 0.0005< 0.0005
2924Perfluoro(2-ethoxyethane)sulfonic acidμg/l< 0.0005< 0.0005
29253-Perfluoroheptylpropanoic acidμg/l< 0.0005< 0.0005
29263:3 Fluorotelomer carboxylic acidμg/l< 0.004< 0.004
29422-(N-Ethylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.001< 0.001
29432-(N-Methylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.002< 0.002
2944Perfluorohexanesulfonic acid (B)μg/l< 0.0005< 0.0005
2953Perfluoroundecane sulfonic acidμg/l< 0.004< 0.004
2955Perfluorotridecanoic acidμg/l< 0.005< 0.005
2957Perfluoropentanesulfonic acidμg/l< 0.0005< 0.0005
2959Perfluorooctanesulfonic acid (linear)μg/l< 0.0005< 0.0005
2960Perfluorooctanesulfonic acid (branched)μg/l0.00060.00062
2961Perfluorooctanesulfonamideμg/l< 0.001< 0.001
2962Perfluorooctadecanoic acidμg/l< 0.002< 0.002
2963Perfluorononanesulfonic acidμg/l< 0.0005< 0.0005
2964Perfluorohexanesulfonic acid (L)μg/l0.000920.00081
2965Perfluorohexanesulfonamideμg/l< 0.0005< 0.0005
2967Perfluoroheptanesulfonic acidμg/l< 0.0005< 0.0005
2968Perfluorododecane sulfonic acidμg/l< 0.005< 0.005
2969Perfluorodecanesulfonic acidμg/l< 0.002< 0.002
2970Perfluorobutylsulfonamide (perfluorobutane sulfonamide)μg/l< 0.0005< 0.0005
2972Perfluorobutanesulfonic acidμg/l< 0.0010.0011
2973Perfluoro-4-ethylcyclohexanesulfonic acidμg/l< 0.0005< 0.0005
2975N-methylperfluorooctanesulfonamideμg/l< 0.002< 0.002
2977N-Ethylperfluorooctanesulfonamideμg/l< 0.002< 0.002
2981Hexafluoropropylene oxide dimer acid (Gen X)μg/l< 0.001< 0.001
29829-chlorohexadecafluoro-3-oxanonane-1-sulfonic acidμg/l< 0.0005< 0.0005
29838:2 Fluorotelomer sulfonic acidμg/l< 0.001< 0.001
29846:2 Fluorotelomer sulfonic acidμg/l< 0.001< 0.001
29874:2 Fluorotelomer sulfonic acidμg/l< 0.0005< 0.0005
29884,8-Dioxa-3H-perfluorononanoic acid (ADONA)μg/l< 0.005< 0.005
29892H,2H,3H,3H-Perfluorooctanoic acidμg/l< 0.001< 0.001
29902-(N-Methylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.0005< 0.0005
29912-(N-Ethylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.001< 0.001
299311-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor)μg/l< 0.001< 0.001
2995Perfluorobutanoic acidμg/l< 0.0010.0011
6396Turbidityntu1.41.727.39.84.21901.4< 1< 1
7887Chlorophyll : Acetone Extractμg/l114.13.72.21.2< 0.51.30.793.23.4
8887Perfluoropentanoic acidμg/l< 0.001< 0.001
8888Perfluorohexanoic acidμg/l< 0.00050.00064
8889Perfluoroheptanoic acidμg/l< 0.001< 0.001
8890Perfluorooctanoic acidμg/l0.00082< 0.0005
8891Perfluorononanoic acidμg/l< 0.001< 0.001
8892Perfluorodecanoic acidμg/l< 0.002< 0.002
8893Perfluoroundecanoic acidμg/l< 0.002< 0.002
8894Perfluorododecanoic acidμg/l< 0.002< 0.002
8895Perfluorotetradecanoic acidμg/l< 0.006< 0.006
9901Oxygen, Dissolved, % Saturation%99.384.383.689.295.492.196.296111.6108.2
9924Oxygen, Dissolved as O2mg/l10.398.819.7911.711.411.411.311.811.6

Samples from 21 Oct 2022 to 4 Jul 2023

NotationDeterminandUnits21 Oct
2022
13:45		 4 Nov
2022
11:25		 1 Dec
2022
13:43		19 Jan
2023
13:00		 6 Feb
2023
15:26		 2 Mar
2023
12:16		27 Apr
2023
13:36		22 May
2023
14:13		 1 Jun
2023
10:35		 4 Jul
2023
11:38
0061pH7.917.667.787.817.877.97.917.817.657.69
0076Temperature of Water°C12.4109.18.18.2810.712.410.712.1
0077Conductivity at 25 Cμs/cm735740776814805783793791792768
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.037
0116Nitrogen, Total Oxidised as Nmg/l7.8261112121213121111
0117Nitrate as Nmg/l7.74261112121213121111
0118Nitrite as Nmg/l0.0580.0350.0130.0060.00770.0120.0210.0250.0320.036
0119Ammonia un-ionised as Nmg/l< 0.00053< 0.00025< 0.00031< 0.00031< 0.00036< 0.00038< 0.00047< 0.00042< 0.000260.00039
0135Solids, Suspended at 105 Cmg/l11146137.2177.63.55.24.6
0162Alkalinity to pH 4.5 as CaCO3mg/l270190280260270280270270280270
0180Orthophosphate, reactive as Pmg/l0.0650.290.170.190.0940.170.170.130.15
2921Perfluoro-3-methoxypropanoic acidμg/l< 0.0005
2922Perfluoro-3,6-dioxaheptanoic acidμg/l< 0.0005
2923Perfluoro(4-methoxybutanoic) acidμg/l< 0.0005
2924Perfluoro(2-ethoxyethane)sulfonic acidμg/l< 0.0005
29253-Perfluoroheptylpropanoic acidμg/l< 0.0005
29263:3 Fluorotelomer carboxylic acidμg/l< 0.004
29422-(N-Ethylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.001
29432-(N-Methylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.002
2944Perfluorohexanesulfonic acid (B)μg/l< 0.0005
2953Perfluoroundecane sulfonic acidμg/l< 0.004
2955Perfluorotridecanoic acidμg/l< 0.005
2957Perfluoropentanesulfonic acidμg/l< 0.0005
2959Perfluorooctanesulfonic acid (linear)μg/l0.0005
2960Perfluorooctanesulfonic acid (branched)μg/l0.00061
2961Perfluorooctanesulfonamideμg/l< 0.001
2962Perfluorooctadecanoic acidμg/l< 0.002
2963Perfluorononanesulfonic acidμg/l< 0.0005
2964Perfluorohexanesulfonic acid (L)μg/l0.00073
2965Perfluorohexanesulfonamideμg/l< 0.0005
2967Perfluoroheptanesulfonic acidμg/l< 0.0005
2969Perfluorodecanesulfonic acidμg/l< 0.002
2970Perfluorobutylsulfonamide (perfluorobutane sulfonamide)μg/l< 0.0005
2972Perfluorobutanesulfonic acidμg/l< 0.001
2973Perfluoro-4-ethylcyclohexanesulfonic acidμg/l< 0.0005
2975N-methylperfluorooctanesulfonamideμg/l< 0.002
2977N-Ethylperfluorooctanesulfonamideμg/l< 0.002
2981Hexafluoropropylene oxide dimer acid (Gen X)μg/l< 0.001
29829-chlorohexadecafluoro-3-oxanonane-1-sulfonic acidμg/l< 0.0005
29838:2 Fluorotelomer sulfonic acidμg/l< 0.001
29846:2 Fluorotelomer sulfonic acidμg/l< 0.001
29874:2 Fluorotelomer sulfonic acidμg/l< 0.0005
29884,8-Dioxa-3H-perfluorononanoic acid (ADONA)μg/l< 0.005
29892H,2H,3H,3H-Perfluorooctanoic acidμg/l< 0.001
29902-(N-Methylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.0005
29912-(N-Ethylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.001
299311-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor)μg/l< 0.001
2995Perfluorobutanoic acidμg/l< 0.001
6396Turbidityntu6.21.94.8< 1< 11.31.4
7887Chlorophyll : Acetone Extractμg/l6.29.31.40.981.747.67.593.2
8887Perfluoropentanoic acidμg/l< 0.001
8888Perfluorohexanoic acidμg/l< 0.0005
8889Perfluoroheptanoic acidμg/l< 0.001
8890Perfluorooctanoic acidμg/l0.00079
8891Perfluorononanoic acidμg/l< 0.001
8892Perfluorodecanoic acidμg/l< 0.002
8893Perfluoroundecanoic acidμg/l< 0.002
8894Perfluorododecanoic acidμg/l< 0.002
8895Perfluorotetradecanoic acidμg/l< 0.006
9901Oxygen, Dissolved, % Saturation%81.383.486.493.799.496.8123.6114.796.194.7
9924Oxygen, Dissolved as O2mg/l8.669.49.9511.111.711.413.712.210.610.2