sampling point
Dudgrove Stream At Gate 7, Raf Fairford
| Description | DUDGROVE STREAM AT GATE 7, RAF FAIRFORD |
|---|---|
| Sampling point ID | TH-PUTR0048 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 416395 198171 lat lon: 51.682059, -1.764256 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 121 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.
66 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
- Chloride Ion
- Cond @ 25C
- EtFOSA
- EtFOSAA-B
- EtFOSAA-L
- FBSA
- FOSA
- HFPO-DA
- MeFOSAA-B
- MeFOSAA-L
- N Oxidised
- N-MeFOSA
- NFDHA
- NH3 un-ion
- 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
- SI-GQA
- Temp Water
- Type of Flow
- pH
- pH in-situ
- t-DothlDry
Sampling results
Displaying the twenty most recent samples. You can see all 121 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 20 Oct 2023 to 15 Jul 2024
| Notation | Determinand | Units | 20 Oct 2023 08:42 | 9 Nov 2023 12:50 | 27 Nov 2023 09:38 | 11 Dec 2023 10:30 | 15 Jan 2024 09:23 | 19 Mar 2024 11:10 | 16 Apr 2024 09:24 | 20 May 2024 11:11 | 18 Jun 2024 10:38 | 15 Jul 2024 12:03 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.67 | 7.95 | 7.84 | 7.77 | 8.11 | 7.9 | 7.95 | 7.87 | 7.87 | 7.83 | |
| 0076 | Temperature of Water | °C | 13.5 | 10.4 | 9 | 8.5 | 4.9 | 10.9 | 10.6 | 15.7 | 14.6 | 15.2 |
| 0077 | Conductivity at 25 C | μs/cm | 243 | 518 | 502 | 545 | 558 | 513 | 520 | 459 | 483 | 513 |
| 0085 | BOD : 5 Day ATU | mg/l | 1.1 | 1.4 | 2.5 | 1 | < 3 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.044 | 0.11 | 0.13 | 0.095 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.5 | 2.3 | 2.4 | 2.7 | 3.6 | 2.2 | 1.9 | 1.5 | 1.9 | 1.8 |
| 0117 | Nitrate as N | mg/l | 1.47 | 2.26 | 2.37 | 2.67 | 3.59 | 2.19 | 1.89 | 1.49 | 1.89 | 1.79 |
| 0118 | Nitrite as N | mg/l | 0.027 | 0.045 | 0.028 | 0.026 | 0.014 | 0.0093 | 0.014 | 0.0094 | 0.0079 | 0.0077 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00049 | 0.00185 | 0.00153 | 0.00092 | < 0.00038 | < 0.00047 | < 0.00051 | < 0.00062 | < 0.00057 | < 0.00055 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 93 | 210 | 200 | 220 | 230 | 220 | 210 | 190 | 200 | 210 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.047 | 0.041 | 0.039 | 0.041 | 0.026 | 0.022 | 0.031 | 0.036 | 0.053 | 0.034 |
| 2921 | Perfluoro-3-methoxypropanoic acid | μg/l | < 0.0005 | |||||||||
| 2922 | Perfluoro-3,6-dioxaheptanoic acid | μg/l | < 0.0005 | |||||||||
| 2923 | Perfluoro(4-methoxybutanoic) 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 | 0.004 | |||||||||
| 2953 | Perfluoroundecane sulfonic acid | μg/l | < 0.004 | |||||||||
| 2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | |||||||||
| 2957 | Perfluoropentanesulfonic acid | μg/l | 0.0018 | |||||||||
| 2959 | Perfluorooctanesulfonic acid (linear) | μg/l | 0.087 | |||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | μg/l | 0.034 | |||||||||
| 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 | 0.027 | |||||||||
| 2965 | Perfluorohexanesulfonamide | μg/l | 0.012 | |||||||||
| 2967 | Perfluoroheptanesulfonic acid | μg/l | 0.0014 | |||||||||
| 2968 | Perfluorododecane sulfonic acid | μg/l | < 0.005 | |||||||||
| 2969 | Perfluorodecanesulfonic acid | μg/l | < 0.002 | |||||||||
| 2970 | Perfluorobutylsulfonamide (perfluorobutane sulfonamide) | μg/l | 0.0011 | |||||||||
| 2972 | Perfluorobutanesulfonic acid | μg/l | 0.0021 | |||||||||
| 2973 | Perfluoro-4-ethylcyclohexanesulfonic acid | μg/l | 0.00058 | |||||||||
| 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 | 0.0029 | |||||||||
| 2984 | 6:2 Fluorotelomer sulfonic acid | μg/l | 0.058 | |||||||||
| 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 | 0.0072 | |||||||||
| 8887 | Perfluoropentanoic acid | μg/l | 0.018 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.014 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | 0.0096 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.0092 | |||||||||
| 8891 | Perfluorononanoic acid | μg/l | 0.0014 | |||||||||
| 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 | % | 90.8 | 88.5 | 88 | 88.2 | 95.5 | 95.9 | 94.4 | 93.2 | 92.7 | 87.7 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.44 | 9.88 | 10.2 | 10.3 | 12.2 | 10.6 | 10.5 | 9.23 | 9.4 | 8.78 |
Samples from 20 Jan 2016 to 11 Sep 2023
| Notation | Determinand | Units | 20 Jan 2016 09:39 | 1 Apr 2016 10:03 | 25 Jul 2016 13:44 | 31 Oct 2016 14:38 | 14 Feb 2017 09:51 | 19 Jun 2023 11:45 | 17 Jul 2023 12:44 | 10 Aug 2023 11:57 | 25 Aug 2023 10:22 | 11 Sep 2023 12:44 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.01 | 8.05 | 8.2 | 8 | 7.82 | 7.74 | 7.96 | 7.79 | 7.77 | 7.85 | |
| 0076 | Temperature of Water | °C | 1.8 | 8.4 | 17.3 | 13.2 | 5.3 | 17.2 | 16.3 | 16.6 | 16.2 | 17.9 |
| 0077 | Conductivity at 25 C | μs/cm | 546 | 508 | 481 | 461 | 537 | 389 | 496 | 534 | 557 | 595 |
| 0085 | BOD : 5 Day ATU | mg/l | 2.3 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.035 | 0.032 | < 0.03 | 0.039 | 0.032 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.64 | 3.33 | 0.62 | 0.58 | 2.81 | 1.8 | 1.5 | 1.6 | 1.8 | 2.1 |
| 0117 | Nitrate as N | mg/l | 2.63 | 3.32 | 0.615 | 0.576 | 2.8 | 1.78 | 1.49 | 1.59 | 1.79 | 2.08 |
| 0118 | Nitrite as N | mg/l | 0.0098 | 0.012 | 0.0046 | < 0.004 | 0.0098 | 0.016 | 0.015 | 0.0093 | 0.013 | 0.018 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.0003 | < 0.00049 | < 0.00093 | < 0.00069 | < 0.00026 | 0.0006 | 0.00084 | < 0.00055 | 0.00067 | 0.00074 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 189 | 194 | 190 | 190 | 198 | 170 | 180 | 210 | 220 | 230 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.04 | 0.02 | 0.09 | 0.066 | 0.029 | 0.013 | 0.029 | 0.018 | 0.018 | < 0.01 |
| 2921 | Perfluoro-3-methoxypropanoic acid | μg/l | < 0.0005 | |||||||||
| 2922 | Perfluoro-3,6-dioxaheptanoic acid | μg/l | < 0.0005 | |||||||||
| 2923 | Perfluoro(4-methoxybutanoic) 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 | 0.015 | |||||||||
| 2953 | Perfluoroundecane sulfonic acid | μg/l | < 0.004 | |||||||||
| 2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | |||||||||
| 2957 | Perfluoropentanesulfonic acid | μg/l | 0.0065 | |||||||||
| 2959 | Perfluorooctanesulfonic acid (linear) | μg/l | 0.25 | |||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | μg/l | 0.086 | |||||||||
| 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 | 0.087 | |||||||||
| 2965 | Perfluorohexanesulfonamide | μg/l | 0.041 | |||||||||
| 2967 | Perfluoroheptanesulfonic acid | μg/l | 0.0035 | |||||||||
| 2968 | Perfluorododecane sulfonic acid | μg/l | < 0.005 | |||||||||
| 2969 | Perfluorodecanesulfonic acid | μg/l | < 0.002 | |||||||||
| 2970 | Perfluorobutylsulfonamide (perfluorobutane sulfonamide) | μg/l | 0.0035 | |||||||||
| 2972 | Perfluorobutanesulfonic acid | μg/l | 0.005 | |||||||||
| 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 | 0.013 | |||||||||
| 2984 | 6:2 Fluorotelomer sulfonic acid | μg/l | 0.04 | |||||||||
| 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 | 0.031 | |||||||||
| 8887 | Perfluoropentanoic acid | μg/l | 0.073 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.057 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | 0.037 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.024 | |||||||||
| 8891 | Perfluorononanoic acid | μg/l | 0.0035 | |||||||||
| 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 | % | 79.8 | 108.9 | 102.6 | 92.6 | 93.3 | 84.8 | 83.1 | 83.6 | 83.8 | 88.6 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.1 | 12.8 | 9.83 | 9.69 | 11.8 | 8.14 | 8.13 | 8.13 | 8.21 | 8.38 |