sampling point
Horsenden Stream At Brooke Road, Princes
| Description | HORSENDEN STREAM AT BROOKE ROAD, PRINCES RISBOROUGH |
|---|---|
| Sampling point ID | TH-PTAR0118 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 480465 203694 lat lon: 51.726195, -0.836407 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 136 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.
107 determinands have been measured at this site
- 1,2,3-TCB
- 1,2,4-TCB
- 1,3,5TCB D
- 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
- Al - Dry Wt
- Aldrin DWt
- Alky pH 4.5
- Ammonia(N)
- As - DWt
- As < 63
- BOD ATU
- Cd - Dry Wt
- Chloride Ion
- Cond @ 25C
- Cr DW <63
- Cr - Dry Wt
- Cu - Dry Wt
- Cu DW <63
- DDE (PP')DWt
- DDT (OP')DWt
- DDT (PP')DWt
- Dieldrin DWt
- Endrin DryWt
- EtFOSA
- EtFOSAA-B
- EtFOSAA-L
- FBSA
- FOSA
- HCB DRY WT
- HCBD DRY
- HCH Beta DWt
- HCHAlpha DWt
- HCHDelta DWt
- HCHGamma DWt
- HFPO-DA
- Hg - Dry Wt
- MeFOSAA-B
- MeFOSAA-L
- N Oxidised
- N-MeFOSA
- NFDHA
- NH3 un-ion
- Ni - Dry Wt
- Ni DW <63
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- PCB 101 DW
- PCB 118 DW
- PCB 138 DW
- PCB 153 DW
- PCB 180 DW
- PCB 28 DW
- PCB 52 DW
- 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 - Dry Wt
- Pb DW <63
- PentchlrpDWt
- SI-GQA
- Sieved < 63
- Sieved < 63
- TCB tot dw
- TDE (PP')DWt
- Temp Water
- Type of Flow
- Zn - Dry Wt
- Zn DW < 63
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 136 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 19 Sep 2023 to 18 Jul 2024
| Notation | Determinand | Units | 19 Sep 2023 13:51 | 19 Oct 2023 10:24 | 20 Nov 2023 11:39 | 4 Dec 2023 11:34 | 15 Jan 2024 12:44 | 26 Feb 2024 11:43 | 16 Apr 2024 12:10 | 16 May 2024 11:03 | 26 Jun 2024 12:13 | 18 Jul 2024 13:07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.08 | 7.96 | 8.17 | 8 | 8.26 | 8.02 | 8.25 | 8.3 | 8.09 | 8.06 | |
| 0076 | Temperature of Water | °C | 16 | 15.2 | 12 | 10.4 | 10.4 | 7.7 | 11.7 | 14.1 | 16.7 | 16.6 |
| 0077 | Conductivity at 25 C | μs/cm | 686 | 620 | 758 | 750 | 807 | 736 | 785 | 777 | 780 | 769 |
| 0085 | BOD : 5 Day ATU | mg/l | 1 | < 1 | < 1 | < 1 | 1.9 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.12 | < 0.03 | < 0.03 | < 0.03 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.6 | 2.8 | 4.2 | 4.3 | 4.9 | 3.9 | 5 | 5 | 5.2 | 5.4 |
| 0117 | Nitrate as N | mg/l | 2.58 | 2.8 | 4.2 | 4.3 | 4.9 | 3.87 | 5 | 5 | 5.19 | 5.4 |
| 0118 | Nitrite as N | mg/l | 0.018 | < 0.004 | < 0.004 | < 0.004 | < 0.004 | 0.032 | < 0.004 | < 0.004 | 0.0062 | < 0.004 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00085 | < 0.00073 | < 0.00063 | < 0.00056 | < 0.00056 | 0.00185 | < 0.00062 | < 0.00074 | < 0.00089 | < 0.00089 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 260 | 230 | 280 | 270 | 290 | 280 | 280 | 280 | 280 | 280 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.16 | 0.047 | 0.055 | 0.069 | 0.055 | 0.19 | 0.053 | 0.055 | 0.058 | 0.16 |
| 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 | 0.00059 | |||||||||
| 2953 | Perfluoroundecane sulfonic acid | μg/l | < 0.004 | |||||||||
| 2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | |||||||||
| 2957 | Perfluoropentanesulfonic acid | μg/l | < 0.0005 | |||||||||
| 2959 | Perfluorooctanesulfonic acid (linear) | μg/l | 0.0022 | |||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | μg/l | 0.0019 | |||||||||
| 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 | 0.0029 | |||||||||
| 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 | 0.0033 | |||||||||
| 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 | 0.0021 | |||||||||
| 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 | 0.0028 | |||||||||
| 8887 | Perfluoropentanoic acid | μg/l | 0.0028 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.0022 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | 0.0016 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.0037 | |||||||||
| 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 | % | 86.4 | 94.5 | 95.3 | 97.3 | 101.2 | 84.7 | 99 | 100.8 | 102.4 | 101.7 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.51 | 9.46 | 10.2 | 10.9 | 11.3 | 10.1 | 10.7 | 10.3 | 9.93 | 9.89 |
Samples from 27 Nov 2019 to 5 Sep 2023
| Notation | Determinand | Units | 27 Nov 2019 12:55 | 12 Dec 2019 11:59 | 17 Jan 2020 12:27 | 17 Feb 2020 12:29 | 17 Mar 2020 12:38 | 16 May 2023 12:54 | 19 Jun 2023 11:29 | 18 Jul 2023 14:04 | 10 Aug 2023 09:06 | 5 Sep 2023 12:10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.86 | 8.15 | 7.86 | 7.96 | 8.21 | 7.92 | 8.13 | 8.19 | 8.05 | 7.78 | |
| 0076 | Temperature of Water | °C | 10.9 | 8.3 | 10.2 | 8.5 | 10 | 14 | 16.5 | 16.2 | 16.1 | 17.1 |
| 0077 | Conductivity at 25 C | μs/cm | 724 | 850 | 758 | 840 | 755 | 717 | 717 | 687 | 751 | 760 |
| 0085 | BOD : 5 Day ATU | mg/l | < 1 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.045 | 0.044 | < 0.03 | 0.078 | 0.038 | 0.14 | < 0.03 | < 0.03 | < 0.03 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.6 | 2.3 | 4.3 | 4.7 | 3.8 | 3.1 | 2.9 | 5.2 | 4.8 | 4.6 |
| 0117 | Nitrate as N | mg/l | 2.58 | 2.28 | 4.3 | 4.68 | 3.78 | 3.05 | 2.88 | 5.2 | 4.8 | 4.6 |
| 0118 | Nitrite as N | mg/l | 0.022 | 0.018 | < 0.004 | 0.025 | 0.016 | 0.055 | 0.025 | < 0.004 | < 0.004 | < 0.004 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00064 | 0.00071 | < 0.0004 | 0.00116 | 0.00069 | 0.00286 | < 0.00088 | < 0.00086 | < 0.00085 | < 0.00056 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 290 | 210 | 220 | 290 | 290 | 290 | 280 | 260 | 270 | 280 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.22 | 0.099 | 0.07 | 0.16 | 0.13 | 0.21 | 0.2 | 0.33 | 0.21 | 0.049 |
| 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 | 0.00054 | |||||||||
| 2953 | Perfluoroundecane sulfonic acid | μg/l | < 0.004 | |||||||||
| 2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | |||||||||
| 2957 | Perfluoropentanesulfonic acid | μg/l | < 0.0005 | |||||||||
| 2959 | Perfluorooctanesulfonic acid (linear) | μg/l | 0.0085 | |||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | μg/l | 0.0043 | |||||||||
| 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 | 0.0021 | |||||||||
| 2965 | Perfluorohexanesulfonamide | μg/l | < 0.0005 | |||||||||
| 2967 | Perfluoroheptanesulfonic acid | μg/l | < 0.0005 | |||||||||
| 2969 | Perfluorodecanesulfonic acid | μg/l | < 0.002 | |||||||||
| 2970 | Perfluorobutylsulfonamide (perfluorobutane sulfonamide) | μg/l | < 0.0005 | |||||||||
| 2972 | Perfluorobutanesulfonic acid | μg/l | 0.0024 | |||||||||
| 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 | 0.0025 | |||||||||
| 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 | 0.002 | |||||||||
| 8887 | Perfluoropentanoic acid | μg/l | 0.0021 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.0016 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | 0.0012 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.0022 | |||||||||
| 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 | % | 68.8 | 82.6 | 90.2 | 92.3 | 94 | 84.2 | 90.6 | 102.6 | 100.3 | 100.2 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 7.59 | 9.7 | 10.1 | 10.8 | 10.6 | 8.66 | 8.83 | 10.1 | 9.85 | 9.64 |