sampling point
Cherwell At Somerton Bridge
| Description | CHERWELL AT SOMERTON BRIDGE |
|---|---|
| Sampling point ID | TH-PCHR0020 |
| Type | Freshwater – Unspecified |
| Status | open |
| Location |
easting northing: 449500 229000 lat lon: 51.957284, -1.281061 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 305 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.
82 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)
- BOD ATU
- Calcium - Ca
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- EtFOSA
- EtFOSAA-B
- EtFOSAA-L
- FBSA
- FOSA
- HFPO-DA
- Hardness
- Magnesium-Mg
- MeFOSAA-B
- MeFOSAA-L
- N Oxidised
- N-MeFOSA
- NFDHA
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- OD 350 filt
- Oil & Grs Vs
- OptDens@400F
- OptDens@450F
- OptDens@500F
- OptDens@550F
- OptDens@600F
- 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
- Phenol Odour
- SI-EC-F
- SI-GQA
- Sld Sus@105C
- Temp Water
- Type of Flow
- Zinc - as Zn
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 305 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 31 Oct 2023 to 19 Aug 2024
| Notation | Determinand | Units | 31 Oct 2023 09:21 | 20 Nov 2023 09:56 | 8 Dec 2023 08:26 | 16 Jan 2024 14:06 | 22 Feb 2024 14:30 | 22 Mar 2024 12:16 | 18 Apr 2024 12:07 | 13 May 2024 11:27 | 15 Jul 2024 12:44 | 19 Aug 2024 11:19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.79 | 7.81 | 7.83 | 8.06 | 7.81 | 8.13 | 8.32 | 7.98 | 8.03 | 7.87 | |
| 0076 | Temperature of Water | °C | 10.1 | 9.4 | 5.8 | 4 | 8.2 | 10.7 | 9.9 | 15.9 | 15.2 | 15.9 |
| 0077 | Conductivity at 25 C | μs/cm | 631 | 571 | 529 | 661 | 496 | 569 | 633 | 647 | 666 | 708 |
| 0085 | BOD : 5 Day ATU | mg/l | 1.2 | 1.6 | < 2 | 1.4 | < 3 | < 1 | ||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | 0.049 | 0.039 | 0.046 | 0.044 | < 0.03 | 0.21 | < 0.03 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 5.5 | 5.7 | 5.8 | 9.1 | 5.7 | 6.9 | 8.1 | 7.3 | 6.9 | 8.5 |
| 0117 | Nitrate as N | mg/l | 5.49 | 5.68 | 5.77 | 9.07 | 5.66 | 6.87 | 8.09 | 7.26 | 6.89 | 8.49 |
| 0118 | Nitrite as N | mg/l | 0.013 | 0.02 | 0.028 | 0.026 | 0.045 | 0.03 | 0.011 | 0.039 | 0.013 | 0.012 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00034 | < 0.00034 | 0.00045 | 0.00046 | 0.00048 | 0.00084 | < 0.00054 | 0.00563 | < 0.0008 | < 0.00063 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 210 | 190 | 160 | 210 | 170 | 190 | 220 | 220 | 210 | 210 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.14 | 0.082 | 0.086 | 0.094 | 0.056 | 0.061 | 0.097 | 0.14 | 0.21 | 0.22 |
| 2921 | Perfluoro-3-methoxypropanoic acid | μg/l | < 0.0005 | |||||||||
| 2922 | Perfluoro-3,6-dioxaheptanoic acid | μg/l | < 0.0005 | |||||||||
| 2924 | Perfluoro(2-ethoxyethane)sulfonic acid | μg/l | < 0.0005 | |||||||||
| 2925 | 3-Perfluoroheptylpropanoic acid | μg/l | < 0.0005 | |||||||||
| 2926 | 3:3 Fluorotelomer carboxylic acid | μg/l | < 0.004 | |||||||||
| 2942 | 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) | μg/l | < 0.001 | |||||||||
| 2943 | 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) | μg/l | < 0.002 | |||||||||
| 2944 | Perfluorohexanesulfonic acid (B) | μg/l | < 0.0005 | |||||||||
| 2953 | Perfluoroundecane sulfonic acid | μg/l | < 0.004 | |||||||||
| 2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | |||||||||
| 2957 | Perfluoropentanesulfonic acid | μg/l | < 0.0005 | |||||||||
| 2961 | Perfluorooctanesulfonamide | μg/l | < 0.001 | |||||||||
| 2962 | Perfluorooctadecanoic acid | μg/l | < 0.002 | |||||||||
| 2963 | Perfluorononanesulfonic acid | μg/l | < 0.0005 | |||||||||
| 2964 | Perfluorohexanesulfonic acid (L) | μg/l | < 0.001 | |||||||||
| 2965 | Perfluorohexanesulfonamide | μg/l | < 0.0005 | |||||||||
| 2967 | Perfluoroheptanesulfonic acid | μg/l | < 0.0005 | |||||||||
| 2968 | Perfluorododecane sulfonic acid | μg/l | < 0.005 | |||||||||
| 2969 | Perfluorodecanesulfonic acid | μg/l | < 0.002 | |||||||||
| 2970 | Perfluorobutylsulfonamide (perfluorobutane sulfonamide) | μg/l | < 0.0005 | |||||||||
| 2972 | Perfluorobutanesulfonic acid | μg/l | 0.0026 | |||||||||
| 2973 | Perfluoro-4-ethylcyclohexanesulfonic acid | μg/l | < 0.0005 | |||||||||
| 2975 | N-methylperfluorooctanesulfonamide | μg/l | < 0.002 | |||||||||
| 2977 | N-Ethylperfluorooctanesulfonamide | μg/l | < 0.002 | |||||||||
| 2981 | Hexafluoropropylene oxide dimer acid (Gen X) | μg/l | < 0.001 | |||||||||
| 2982 | 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid | μg/l | < 0.0005 | |||||||||
| 2983 | 8:2 Fluorotelomer sulfonic acid | μg/l | < 0.001 | |||||||||
| 2984 | 6:2 Fluorotelomer sulfonic acid | μg/l | < 0.001 | |||||||||
| 2987 | 4:2 Fluorotelomer sulfonic acid | μg/l | < 0.0005 | |||||||||
| 2988 | 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | μg/l | < 0.005 | |||||||||
| 2989 | 2H,2H,3H,3H-Perfluorooctanoic acid | μg/l | < 0.001 | |||||||||
| 2990 | 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) | μg/l | < 0.0005 | |||||||||
| 2991 | 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) | μg/l | < 0.001 | |||||||||
| 2993 | 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) | μg/l | < 0.001 | |||||||||
| 2995 | Perfluorobutanoic acid | μg/l | < 0.001 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.0013 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | 0.0012 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.0013 | |||||||||
| 8891 | Perfluorononanoic acid | μg/l | < 0.001 | |||||||||
| 8892 | Perfluorodecanoic acid | μg/l | < 0.002 | |||||||||
| 8893 | Perfluoroundecanoic acid | μg/l | < 0.002 | |||||||||
| 8894 | Perfluorododecanoic acid | μg/l | < 0.002 | |||||||||
| 8895 | Perfluorotetradecanoic acid | μg/l | < 0.006 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 79.5 | 79.8 | 75.6 | 94.3 | 89.6 | 98.1 | 100.2 | 89.4 | 93.2 | 84.3 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.94 | 9.12 | 9.45 | 12.3 | 10.5 | 10.9 | 11.3 | 8.82 | 9.33 | 8.32 |
Samples from 10 Jan 2020 to 17 Oct 2023
| Notation | Determinand | Units | 10 Jan 2020 10:34 | 30 Jan 2020 10:08 | 18 Feb 2020 09:32 | 20 Mar 2020 11:11 | 24 May 2023 11:05 | 16 Jun 2023 14:12 | 21 Jul 2023 10:02 | 7 Aug 2023 09:12 | 7 Sep 2023 10:58 | 17 Oct 2023 09:52 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8 | 7.85 | 8.16 | 8.01 | 7.89 | 7.9 | 7.8 | 7.79 | 7.73 | ||
| 0076 | Temperature of Water | °C | 7.2 | 4.9 | 7.8 | 14.1 | 19.7 | 15.4 | 14.4 | 18.1 | 9.7 | |
| 0077 | Conductivity at 25 C | μs/cm | 538 | 476 | 644 | 707 | 722 | 765 | 741 | 817 | 657 | |
| 0085 | BOD : 5 Day ATU | mg/l | < 1 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.038 | 0.045 | < 0.03 | < 0.03 | 0.056 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.6 | 8.4 | 5.9 | 7.9 | 6.6 | 5.6 | 6.2 | 5.1 | 5.7 | 6.1 |
| 0117 | Nitrate as N | mg/l | 7.57 | 8.38 | 5.87 | 7.89 | 6.59 | 5.56 | 6.19 | 5.09 | 5.69 | 6.08 |
| 0118 | Nitrite as N | mg/l | 0.027 | 0.016 | 0.027 | 0.013 | 0.0093 | 0.045 | 0.011 | 0.01 | 0.0077 | 0.017 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00056 | 0.0004 | < 0.00047 | < 0.00074 | 0.00162 | < 0.00065 | < 0.00048 | < 0.00062 | < 0.00029 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 170 | 150 | 160 | 230 | 230 | 230 | 220 | 240 | 190 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.088 | 0.05 | 0.11 | 0.11 | 0.16 | 0.27 | 0.29 | 0.32 | 0.2 | |
| 2921 | Perfluoro-3-methoxypropanoic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2922 | Perfluoro-3,6-dioxaheptanoic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2923 | Perfluoro(4-methoxybutanoic) acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2924 | Perfluoro(2-ethoxyethane)sulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2925 | 3-Perfluoroheptylpropanoic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2926 | 3:3 Fluorotelomer carboxylic acid | μg/l | < 0.004 | < 0.004 | ||||||||
| 2942 | 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) | μg/l | < 0.001 | < 0.001 | ||||||||
| 2943 | 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) | μg/l | < 0.002 | < 0.002 | ||||||||
| 2944 | Perfluorohexanesulfonic acid (B) | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2953 | Perfluoroundecane sulfonic acid | μg/l | < 0.004 | < 0.004 | ||||||||
| 2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | < 0.005 | ||||||||
| 2957 | Perfluoropentanesulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2959 | Perfluorooctanesulfonic acid (linear) | μg/l | 0.00067 | 0.0013 | ||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | μg/l | 0.00056 | 0.0011 | ||||||||
| 2961 | Perfluorooctanesulfonamide | μg/l | < 0.001 | < 0.001 | ||||||||
| 2962 | Perfluorooctadecanoic acid | μg/l | < 0.002 | < 0.002 | ||||||||
| 2963 | Perfluorononanesulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2964 | Perfluorohexanesulfonic acid (L) | μg/l | 0.001 | 0.0014 | ||||||||
| 2965 | Perfluorohexanesulfonamide | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2967 | Perfluoroheptanesulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2968 | Perfluorododecane sulfonic acid | μg/l | < 0.005 | < 0.005 | ||||||||
| 2969 | Perfluorodecanesulfonic acid | μg/l | < 0.002 | < 0.002 | ||||||||
| 2970 | Perfluorobutylsulfonamide (perfluorobutane sulfonamide) | μg/l | < 0.0005 | 0.0006 | ||||||||
| 2972 | Perfluorobutanesulfonic acid | μg/l | 0.0017 | 0.0025 | ||||||||
| 2973 | Perfluoro-4-ethylcyclohexanesulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2975 | N-methylperfluorooctanesulfonamide | μg/l | < 0.002 | < 0.002 | ||||||||
| 2977 | N-Ethylperfluorooctanesulfonamide | μg/l | < 0.002 | < 0.002 | ||||||||
| 2981 | Hexafluoropropylene oxide dimer acid (Gen X) | μg/l | < 0.001 | < 0.001 | ||||||||
| 2982 | 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2983 | 8:2 Fluorotelomer sulfonic acid | μg/l | < 0.001 | < 0.001 | ||||||||
| 2984 | 6:2 Fluorotelomer sulfonic acid | μg/l | < 0.001 | < 0.001 | ||||||||
| 2987 | 4:2 Fluorotelomer sulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2988 | 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | μg/l | < 0.005 | < 0.005 | ||||||||
| 2989 | 2H,2H,3H,3H-Perfluorooctanoic acid | μg/l | < 0.001 | < 0.001 | ||||||||
| 2990 | 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2991 | 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) | μg/l | < 0.001 | < 0.001 | ||||||||
| 2993 | 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) | μg/l | < 0.001 | < 0.001 | ||||||||
| 2995 | Perfluorobutanoic acid | μg/l | 0.0024 | 0.0025 | ||||||||
| 8887 | Perfluoropentanoic acid | μg/l | 0.0017 | 0.0028 | ||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.0018 | 0.0026 | ||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | < 0.001 | < 0.001 | ||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.00065 | 0.0017 | ||||||||
| 8891 | Perfluorononanoic acid | μg/l | < 0.001 | < 0.001 | ||||||||
| 8892 | Perfluorodecanoic acid | μg/l | < 0.002 | < 0.002 | ||||||||
| 8893 | Perfluoroundecanoic acid | μg/l | < 0.002 | < 0.002 | ||||||||
| 8894 | Perfluorododecanoic acid | μg/l | < 0.002 | < 0.002 | ||||||||
| 8895 | Perfluorotetradecanoic acid | μg/l | < 0.006 | < 0.006 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 84.7 | 73.2 | 88.4 | 93.8 | 82.2 | 80.5 | 79.3 | 77 | 76.1 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.2 | 9.36 | 10.5 | 9.62 | 7.5 | 8.03 | 8.08 | 7.26 | 8.64 |