sampling point
Mole Just Above Dorking Stw

Description	MOLE JUST ABOVE DORKING STW
Sampling point ID	TH-PMLR0038
Type	Freshwater – Rivers
Status	open
Location	easting northing: 518352 150282 lat lon: 51.239447, -0.305975
Area	Kent And South London
Sub-Area	L&W Kent And South London
Summary	158 samples taken between 2024 and 2000

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.

81 determinands have been measured at this site

11Cl-PF3OUdS
3:3 FTCA
4:2 FTSA
5:3 FTCA
6:2 FTSA
7:3 FTCA
8:2 FTSA
9Cl-PF3ONS
ADONA
Action taken
Alky pH 4.5
Ammonia(N)
AmoniaTotYSI
BOD ATU
COD as O2
Cadmium - Cd
Cd Filtered
Chloride Ion
Chromium -Cr
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu Filtered
EtFOSA
EtFOSAA-B
EtFOSAA-L
FBSA
FOSA
Fe- Filt
HFPO-DA
Iron - as Fe
Lead - as Pb
MeFOSAA-B
MeFOSAA-L
N Oxidised
N-MeFOSA
NFDHA
NH3 un-ion
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
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 Filtered
SI-GQA
Temp Water
Type of Flow
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 158 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Nov 2023 to 10 Dec 2024

Notation	Determinand	Units	1 Nov 2023 13:17	4 Dec 2023 11:44	6 Mar 2024 10:13	19 Jun 2024 12:19	15 Jul 2024 14:55	22 Aug 2024 13:43	24 Sep 2024 12:09	16 Oct 2024 13:14	18 Nov 2024 13:14	10 Dec 2024 12:05
0061	pH					7.59	7.56	7.49	7.17	7.34	7.61	7.5
0076	Temperature of Water	°C				16.6	17.3	17.6	15.9	13.7	9.9	8
0077	Conductivity at 25 C	μs/cm				626	705	867	285	356	731	361
0085	BOD : 5 Day ATU	mg/l				1.4	< 4	< 2	< 3	1.8	1	1.8
0111	Ammoniacal Nitrogen as N	mg/l				< 0.03	0.057	< 0.03	0.25	0.062	< 0.03	0.077
0116	Nitrogen, Total Oxidised as N	mg/l				14	17	23	3.9	4.3	19	4.2
0117	Nitrate as N	mg/l				13.9	16.9	23	3.85	4.27	19	4.17
0118	Nitrite as N	mg/l				0.057	0.1	0.021	0.053	0.035	0.031	0.034
0119	Ammonia un-ionised as N	mg/l				< 0.00035	0.00066	< 0.0003	0.00106	0.00033	< 0.00022	0.00039
0162	Alkalinity to pH 4.5 as CaCO3	mg/l				120	120	100	66	91	120	94
0180	Orthophosphate, reactive as P	mg/l				0.79	1.1	0.4	0.24	0.17	0.2	0.12
2921	Perfluoro-3-methoxypropanoic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2922	Perfluoro-3,6-dioxaheptanoic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2923	Perfluoro(4-methoxybutanoic) acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2924	Perfluoro(2-ethoxyethane)sulfonic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2925	3-Perfluoroheptylpropanoic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2926	3:3 Fluorotelomer carboxylic acid	μg/l	< 0.004	< 0.004	< 0.004					< 0.004
2942	2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B)	μg/l	< 0.001	< 0.001	< 0.001					< 0.001
2943	2-(N-Methylperfluorooctanesulfonamido)acetic acid (B)	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
2944	Perfluorohexanesulfonic acid (B)	μg/l	0.00081	0.00088	0.00064					0.00074
2953	Perfluoroundecane sulfonic acid	μg/l	< 0.004	< 0.004	< 0.004					< 0.004
2955	Perfluorotridecanoic acid	μg/l	< 0.005	< 0.005	< 0.005					< 0.005
2957	Perfluoropentanesulfonic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2959	Perfluorooctanesulfonic acid (linear)	μg/l	0.0064	0.0048	0.0059					0.004
2960	Perfluorooctanesulfonic acid (branched)	μg/l	0.005	0.0038	0.004					0.004
2961	Perfluorooctanesulfonamide	μg/l	< 0.001	< 0.001	< 0.001					< 0.001
2962	Perfluorooctadecanoic acid	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
2963	Perfluorononanesulfonic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2964	Perfluorohexanesulfonic acid (L)	μg/l	0.005	0.0041	0.0038					0.0039
2965	Perfluorohexanesulfonamide	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2967	Perfluoroheptanesulfonic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2968	Perfluorododecane sulfonic acid	μg/l	< 0.005	< 0.005	< 0.005					< 0.005
2969	Perfluorodecanesulfonic acid	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
2970	Perfluorobutylsulfonamide (perfluorobutane sulfonamide)	μg/l	0.00098	0.0013	0.00063					0.0012
2972	Perfluorobutanesulfonic acid	μg/l	0.007	0.012	0.0037					0.0089
2973	Perfluoro-4-ethylcyclohexanesulfonic acid	μg/l	0.00054	0.00064	< 0.0005					< 0.0005
2975	N-methylperfluorooctanesulfonamide	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
2977	N-Ethylperfluorooctanesulfonamide	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
2981	Hexafluoropropylene oxide dimer acid (Gen X)	μg/l	< 0.001	< 0.001	< 0.001					< 0.001
2982	9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2983	8:2 Fluorotelomer sulfonic acid	μg/l	< 0.001	< 0.001	< 0.001					< 0.001
2984	6:2 Fluorotelomer sulfonic acid	μg/l	0.0034	0.0015	0.0025					0.0014
2987	4:2 Fluorotelomer sulfonic acid	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2988	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	μg/l	< 0.005	< 0.005	< 0.005					< 0.005
2989	2H,2H,3H,3H-Perfluorooctanoic acid	μg/l	< 0.001	< 0.001	< 0.001					< 0.001
2990	2-(N-Methylperfluorooctanesulfonamido)acetic acid (L)	μg/l	< 0.0005	< 0.0005	< 0.0005					< 0.0005
2991	2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L)	μg/l	< 0.001	< 0.001	< 0.001					< 0.001
2993	11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor)	μg/l	< 0.001	< 0.001	< 0.001					< 0.001
2995	Perfluorobutanoic acid	μg/l	0.0068	0.0056	0.0053					0.0059
8887	Perfluoropentanoic acid	μg/l	0.012	0.009	0.0074					0.008
8888	Perfluorohexanoic acid	μg/l	0.011	0.0094	0.006					0.0064
8889	Perfluoroheptanoic acid	μg/l	0.0054	0.0045	0.0036					0.0035
8890	Perfluorooctanoic acid	μg/l	0.0075	0.006	0.0054					0.0047
8891	Perfluorononanoic acid	μg/l	0.0011	< 0.001	< 0.001					< 0.001
8892	Perfluorodecanoic acid	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
8893	Perfluoroundecanoic acid	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
8894	Perfluorododecanoic acid	μg/l	< 0.002	< 0.002	< 0.002					< 0.002
8895	Perfluorotetradecanoic acid	μg/l	< 0.006	< 0.006	< 0.006					< 0.006
9901	Oxygen, Dissolved, % Saturation	%				88.6	89.4	82.9	64.1	87.6	90.5	93.5
9924	Oxygen, Dissolved as O2	mg/l				8.61	8.56	7.89	6.32	9.07	10.2	11.1

Samples from 10 Dec 2019 to 20 Jul 2023

Notation	Determinand	Units	10 Dec 2019 12:15	16 Jan 2020 14:05	18 Feb 2020 12:21	13 Mar 2020 11:45	21 May 2021 10:19	16 Jun 2021 10:54	1 Jul 2021 12:02	20 Aug 2021 10:11	8 Jun 2023 09:43	20 Jul 2023 13:59
0061	pH		7.66	7.46	7.72	7.78	7.95	7.95	7.38	7.78
0076	Temperature of Water	°C	7.4	8.2	7.2	8.9	12.5	19.8	16.9	17.6
0077	Conductivity at 25 C	μs/cm	523	296	309	458	527	759	519	697
0111	Ammoniacal Nitrogen as N	mg/l	0.095	0.21	0.4	0.096	0.07	0.044	0.047	0.043
0116	Nitrogen, Total Oxidised as N	mg/l	8.1	2.5	2.6	5.6	9.6	18	10	18
0117	Nitrate as N	mg/l	8.04	2.46	2.56	5.55	9.53	17.9	9.95	18
0118	Nitrite as N	mg/l	0.064	0.038	0.039	0.053	0.066	0.051	0.049	0.037
0119	Ammonia un-ionised as N	mg/l	0.00066	0.00098	0.00314	0.00098	0.00137	0.00146	0.00035	0.00083
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	94	80	78	110	91	110	90	88
0180	Orthophosphate, reactive as P	mg/l	0.23	0.14	0.13	0.18	0.31	< 0.01	0.38	0.39
2921	Perfluoro-3-methoxypropanoic acid	μg/l									< 0.0005	< 0.005
2922	Perfluoro-3,6-dioxaheptanoic acid	μg/l									< 0.0005	< 0.005
2923	Perfluoro(4-methoxybutanoic) acid	μg/l									< 0.0005	< 0.005
2924	Perfluoro(2-ethoxyethane)sulfonic acid	μg/l									< 0.0005	< 0.005
2925	3-Perfluoroheptylpropanoic acid	μg/l									< 0.0005	< 0.005
2926	3:3 Fluorotelomer carboxylic acid	μg/l									< 0.004	< 0.04
2942	2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B)	μg/l									< 0.001	< 0.01
2943	2-(N-Methylperfluorooctanesulfonamido)acetic acid (B)	μg/l									< 0.002	< 0.02
2944	Perfluorohexanesulfonic acid (B)	μg/l									0.001	< 0.005
2953	Perfluoroundecane sulfonic acid	μg/l									< 0.004	< 0.04
2955	Perfluorotridecanoic acid	μg/l									< 0.005	< 0.05
2957	Perfluoropentanesulfonic acid	μg/l									0.00065	< 0.005
2959	Perfluorooctanesulfonic acid (linear)	μg/l									0.0089	0.0089
2960	Perfluorooctanesulfonic acid (branched)	μg/l									0.0043	0.0052
2961	Perfluorooctanesulfonamide	μg/l									< 0.001	< 0.01
2962	Perfluorooctadecanoic acid	μg/l									< 0.002	< 0.02
2963	Perfluorononanesulfonic acid	μg/l									< 0.0005	< 0.005
2964	Perfluorohexanesulfonic acid (L)	μg/l									0.0054	0.0078
2965	Perfluorohexanesulfonamide	μg/l									0.00077	< 0.005
2967	Perfluoroheptanesulfonic acid	μg/l									< 0.0005	< 0.005
2968	Perfluorododecane sulfonic acid	μg/l									< 0.005
2969	Perfluorodecanesulfonic acid	μg/l									< 0.002	< 0.02
2970	Perfluorobutylsulfonamide (perfluorobutane sulfonamide)	μg/l									0.0019	< 0.005
2972	Perfluorobutanesulfonic acid	μg/l									0.02	0.024
2973	Perfluoro-4-ethylcyclohexanesulfonic acid	μg/l									0.0013	< 0.005
2975	N-methylperfluorooctanesulfonamide	μg/l									< 0.002	< 0.02
2977	N-Ethylperfluorooctanesulfonamide	μg/l									< 0.002	< 0.02
2981	Hexafluoropropylene oxide dimer acid (Gen X)	μg/l									< 0.001	< 0.01
2982	9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid	μg/l									< 0.0005	< 0.005
2983	8:2 Fluorotelomer sulfonic acid	μg/l									< 0.001	< 0.01
2984	6:2 Fluorotelomer sulfonic acid	μg/l									0.0055	< 0.01
2987	4:2 Fluorotelomer sulfonic acid	μg/l									< 0.0005	< 0.005
2988	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	μg/l									< 0.005	< 0.05
2989	2H,2H,3H,3H-Perfluorooctanoic acid	μg/l									< 0.001	< 0.01
2990	2-(N-Methylperfluorooctanesulfonamido)acetic acid (L)	μg/l									< 0.0005	< 0.005
2991	2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L)	μg/l									< 0.001	< 0.01
2993	11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor)	μg/l									< 0.001	< 0.01
2995	Perfluorobutanoic acid	μg/l									0.0074	0.011
8887	Perfluoropentanoic acid	μg/l									0.011	0.014
8888	Perfluorohexanoic acid	μg/l									0.011	0.015
8889	Perfluoroheptanoic acid	μg/l									0.0044	< 0.01
8890	Perfluorooctanoic acid	μg/l									0.0053	0.0056
8891	Perfluorononanoic acid	μg/l									0.0011	< 0.01
8892	Perfluorodecanoic acid	μg/l									< 0.002	< 0.02
8893	Perfluoroundecanoic acid	μg/l									< 0.002	< 0.02
8894	Perfluorododecanoic acid	μg/l									< 0.002	< 0.02
8895	Perfluorotetradecanoic acid	μg/l									< 0.006	< 0.06
9901	Oxygen, Dissolved, % Saturation	%	93.5	81.2	87.3	87.3	88.4	89.2	78.8	84.6
9924	Oxygen, Dissolved as O2	mg/l	11.2	9.55	10.5	10.1	9.4	8.12	7.61	8.05

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sampling point Mole Just Above Dorking Stw

Determinands

Sampling results

Samples from 1 Nov 2023 to 10 Dec 2024

Samples from 10 Dec 2019 to 20 Jul 2023

sampling point
Mole Just Above Dorking Stw