sampling point
Hart At Lea Bridge, Hazeley
| Description | HART AT LEA BRIDGE, HAZELEY |
|---|---|
| Sampling point ID | TH-PLDR0020 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 474830 159900 lat lon: 51.333275, -0.927267 |
| Area | West Thames |
| Sub-Area | L&W South Wt |
| Summary | 238 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.
98 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
- B-[a]-pyrene
- B-[b]-fluora
- B-[ghi]-pery
- B-[k]-fluora
- BOD ATU
- C - Org Filt
- Ca Filtered
- Calcium - Ca
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- EtFOSA
- EtFOSAA-B
- EtFOSAA-L
- FBSA
- FOSA
- Fe- Filt
- Fluoranthene
- HFPO-DA
- Hardness
- Ind123pyrene
- Magnesium-Mg
- MeFOSAA-B
- MeFOSAA-L
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- N-MeFOSA
- NFDHA
- NH3 un-ion
- NO FLOW/SAMP
- 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
- 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
- TriBT Cation
- Triclosan
- Type of Flow
- Zinc - as Zn
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 238 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 4 Aug 2023 to 15 Jul 2024
| Notation | Determinand | Units | 4 Aug 2023 14:14 | 14 Sep 2023 10:49 | 2 Oct 2023 13:30 | 10 Nov 2023 09:59 | 5 Dec 2023 09:34 | 10 Jan 2024 09:21 | 2 Feb 2024 11:27 | 1 Mar 2024 10:08 | 17 Jun 2024 12:43 | 15 Jul 2024 11:51 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.42 | 7.27 | 7.18 | 7.32 | 7.36 | 7.55 | 7.7 | 7.52 | 7.71 | 7.53 | |
| 0076 | Temperature of Water | °C | 16.5 | 15.8 | 16.7 | 9.7 | 7.5 | 4 | 8.5 | 7.5 | 15.8 | 15.2 |
| 0077 | Conductivity at 25 C | μs/cm | 571 | 848 | 728 | 468 | 493 | 527 | 613 | 384 | 654 | 672 |
| 0085 | BOD : 5 Day ATU | mg/l | 1 | < 1 | < 1 | 1.8 | 2.7 | 2 | 1.9 | 2.9 | 1 | < 9 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | 0.23 | 0.33 | 0.42 | 0.13 | 0.28 | < 0.03 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.3 | 19 | 14 | 4.7 | 3.9 | 5.6 | 8.7 | 3 | 12 | 11 |
| 0117 | Nitrate as N | mg/l | 6.27 | 19 | 14 | 4.62 | 3.81 | 5.54 | 8.63 | 2.96 | 11.9 | 11 |
| 0118 | Nitrite as N | mg/l | 0.029 | 0.028 | 0.03 | 0.083 | 0.09 | 0.059 | 0.068 | 0.039 | 0.063 | 0.03 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00024 | < 0.00016 | < 0.00014 | 0.00087 | 0.00116 | 0.00176 | 0.00107 | 0.00142 | < 0.00043 | < 0.00028 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 110 | 90 | 86 | 94 | 99 | 130 | 150 | 99 | 130 | 110 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.11 | 0.062 | 0.052 | 0.076 | 0.086 | 0.075 | 0.059 | 0.079 | 0.052 | 0.09 |
| 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 | |||||||||
| 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 | 0.00076 | < 0.0005 | ||||||||
| 2953 | Perfluoroundecane sulfonic acid | μg/l | < 0.004 | < 0.004 | ||||||||
| 2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | |||||||||
| 2957 | Perfluoropentanesulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2959 | Perfluorooctanesulfonic acid (linear) | μg/l | 0.0021 | 0.0012 | ||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | μg/l | 0.0016 | 0.0012 | ||||||||
| 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 | 0.0026 | 0.0021 | ||||||||
| 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 | 0.0011 | < 0.0005 | ||||||||
| 2972 | Perfluorobutanesulfonic acid | μg/l | 0.0061 | 0.002 | ||||||||
| 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 | 0.0016 | ||||||||
| 2987 | 4:2 Fluorotelomer sulfonic acid | μg/l | < 0.0005 | < 0.0005 | ||||||||
| 2989 | 2H,2H,3H,3H-Perfluorooctanoic acid | μg/l | < 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 | 0.0047 | 0.002 | ||||||||
| 8887 | Perfluoropentanoic acid | μg/l | 0.0061 | 0.0015 | ||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.0053 | 0.002 | ||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | 0.0018 | 0.0011 | ||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.0026 | 0.002 | ||||||||
| 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 | % | 80.1 | 79.4 | 78.3 | 80.4 | 81.5 | 86.2 | 91.3 | 86.4 | 98.8 | 85.8 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 7.8 | 7.85 | 7.6 | 9.12 | 9.76 | 11.3 | 10.7 | 10.3 | 9.77 | 8.59 |
Samples from 10 Jan 2018 to 13 Jun 2023
| Notation | Determinand | Units | 10 Jan 2018 10:06 | 26 Apr 2018 11:26 | 5 Jul 2018 11:38 | 17 Oct 2018 10:33 | 11 Jan 2019 09:42 | 23 Apr 2019 09:06 | 1 Jul 2019 12:02 | 2 Oct 2019 14:55 | 9 Jan 2020 09:53 | 13 Jun 2023 11:15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.47 | 7.83 | 7.7 | 7.95 | 7.68 | 7.59 | 7.53 | 7.5 | 7.64 | ||
| 0235 | Magnesium, Dissolved | mg/l | 6.32 | 5.55 | 6.02 | 7.27 | 6.44 | 6.17 | 6.4 | 5 | 5.6 | |
| 0239 | Calcium, Dissolved | mg/l | 65.1 | 78.5 | 88.6 | 61 | 73.3 | 78.5 | 70 | 52 | 80 | |
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 7.14 | 5.86 | 4.63 | 6.96 | 5 | 5.75 | 5.8 | 6.4 | 6.4 | |
| 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 | |||||||||
| 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 | 0.0019 | |||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | μg/l | 0.0014 | |||||||||
| 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 | 0.0023 | |||||||||
| 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 | 0.00052 | |||||||||
| 2972 | Perfluorobutanesulfonic acid | μg/l | 0.0035 | |||||||||
| 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 | |||||||||
| 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 | 0.0029 | |||||||||
| 6460 | Iron, Dissolved | μg/l | 296 | 163 | 185 | 1760 | 340 | 206 | 230 | 250 | 240 | |
| 8887 | Perfluoropentanoic acid | μg/l | 0.0038 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.0041 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | 0.0016 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | 0.0024 | |||||||||
| 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 |