sampling point
Ledwyche Brook At Ledwyche Bridge
| Description | LEDWYCHE BROOK AT LEDWYCHE BRIDGE |
|---|---|
| Sampling point ID | MD-17358150 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 357400 268300 lat lon: 52.31114, -2.626275 |
| Area | Shropshire Herefordshire Worcestershire And Gloucestershire |
| Sub-Area | Shropshire & Wye |
| Summary | 203 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.
77 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
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Calcium - Ca
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- 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
- Oil & Grs Vs
- 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
- Potassium- K
- Sld Sus@105C
- Temp Water
- Weth-Visibty
- Weth7Dy-Prec
- Weth7Dy-Temp
- Weth7Dy-Vsy
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 203 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 14 Sep 2023 to 29 Jul 2024
| Notation | Determinand | Units | 14 Sep 2023 10:15 | 18 Oct 2023 09:51 | 21 Nov 2023 14:54 | 11 Dec 2023 12:23 | 18 Jan 2024 12:02 | 28 Feb 2024 12:33 | 18 Apr 2024 09:50 | 13 May 2024 13:12 | 27 Jun 2024 12:08 | 29 Jul 2024 10:52 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.08 | 8.25 | 8.22 | 8.03 | 8.4 | 8.32 | 8.43 | 8.33 | 8.29 | 8.28 | |
| 0076 | Temperature of Water | °C | 14.6 | 9.3 | 9.6 | 8 | 2.1 | 6.3 | 8.1 | 14.9 | 17.4 | 15.7 |
| 0077 | Conductivity at 25 C | μs/cm | 516 | 491 | 502 | 384 | 534 | 509 | 512 | 521 | 533 | 530 |
| 0085 | BOD : 5 Day ATU | mg/l | 1.3 | 1 | 1.1 | < 3 | < 1 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.04 | < 0.03 | < 0.03 | 0.056 | 0.045 | < 0.03 | 0.032 | < 0.03 | 0.031 | < 0.03 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.6 | 4.2 | 4.6 | 4.1 | 4.7 | 4.4 | 4.2 | 3.6 | 3.4 | 3 |
| 0117 | Nitrate as N | mg/l | 2.58 | 4.19 | 4.57 | 4.08 | 4.69 | 4.39 | 4.19 | 3.58 | 3.38 | 2.99 |
| 0118 | Nitrite as N | mg/l | 0.017 | 0.0094 | 0.026 | 0.016 | 0.013 | 0.011 | 0.013 | 0.02 | 0.017 | 0.011 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00102 | < 0.00052 | < 0.00053 | 0.00088 | 0.00046 | < 0.00042 | 0.00051 | < 0.00078 | 0.00097 | < 0.00083 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 230 | 200 | 210 | 150 | 230 | 220 | 230 | 240 | 230 | 240 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.14 | 0.12 | 0.052 | 0.093 | 0.15 | 0.053 | 0.039 | 0.026 | 0.074 | 0.084 |
| 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 | < 0.0005 | |||||||||
| 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 | < 0.0005 | |||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | 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 | < 0.0005 | |||||||||
| 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 | 0.0013 | |||||||||
| 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 | |||||||||
| 8887 | Perfluoropentanoic acid | μg/l | < 0.001 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | < 0.0005 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | < 0.001 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | < 0.0005 | |||||||||
| 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 | % | 99.2 | 101 | 99.4 | 102.5 | 98.8 | 100 | 101.3 | 97.2 | 97 | 97.7 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.1 | 11.6 | 11.3 | 12.1 | 13.6 | 12.3 | 11.9 | 9.8 | 9.27 | 9.68 |
Samples from 24 Jan 2020 to 14 Aug 2023
| Notation | Determinand | Units | 24 Jan 2020 09:19 | 18 Mar 2020 11:40 | 12 May 2021 09:24 | 8 Jun 2021 12:00 | 12 Jul 2021 11:37 | 9 Aug 2021 11:06 | 24 May 2023 14:00 | 16 Jun 2023 11:33 | 25 Jul 2023 10:45 | 14 Aug 2023 12:50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.06 | 8.33 | 7.94 | 8.16 | 8.01 | 8.01 | 8.3 | 8.1 | 7.76 | 8.15 | |
| 0076 | Temperature of Water | °C | 7.4 | 9.2 | 10.5 | 14.9 | 15.5 | 15.1 | 13.2 | 17.1 | 13.7 | 16 |
| 0077 | Conductivity at 25 C | μs/cm | 503 | 482 | 475 | 530 | 522 | 468 | 529 | 523 | 420 | 511 |
| 0085 | BOD : 5 Day ATU | mg/l | 1.3 | 1.1 | ||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | 0.044 | 0.034 | < 0.03 | < 0.03 | 0.037 | 0.074 | 0.3 | 0.036 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 4 | 3.8 | 3.3 | 3.2 | 2.9 | 2.4 | 3.9 | 2.9 | 3.8 | 2.9 |
| 0117 | Nitrate as N | mg/l | 3.99 | 3.79 | 3.28 | 3.17 | 2.88 | 2.39 | 3.87 | 2.86 | 3.74 | 2.88 |
| 0118 | Nitrite as N | mg/l | 0.0058 | 0.0069 | 0.023 | 0.026 | 0.016 | 0.0098 | 0.028 | 0.038 | 0.063 | 0.021 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00045 | < 0.00052 | 0.00073 | 0.00089 | < 0.00082 | < 0.00079 | 0.00085 | 0.00226 | 0.00417 | 0.00102 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 230 | 220 | 200 | 240 | 230 | 200 | 230 | 230 | 170 | 220 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.13 | 0.15 | 0.055 | 0.077 | 0.11 | 0.18 | 0.07 | 0.1 | 0.17 | 0.13 |
| 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 | |||||||||
| 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 | |||||||||
| 2959 | Perfluorooctanesulfonic acid (linear) | μg/l | < 0.0005 | |||||||||
| 2960 | Perfluorooctanesulfonic acid (branched) | 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 | < 0.0005 | |||||||||
| 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 | < 0.001 | |||||||||
| 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 | 0.0074 | |||||||||
| 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 | |||||||||
| 8887 | Perfluoropentanoic acid | μg/l | < 0.001 | |||||||||
| 8888 | Perfluorohexanoic acid | μg/l | 0.00086 | |||||||||
| 8889 | Perfluoroheptanoic acid | μg/l | < 0.001 | |||||||||
| 8890 | Perfluorooctanoic acid | μg/l | < 0.0005 | |||||||||
| 8891 | Perfluorononanoic acid | μg/l | < 0.001 | |||||||||
| 8892 | Perfluorodecanoic acid | μg/l | < 0.002 | |||||||||
| 8893 | Perfluoroundecanoic acid | μg/l | < 0.002 | |||||||||
| 8895 | Perfluorotetradecanoic acid | μg/l | < 0.006 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 83.7 | 94.3 | 104.9 | 99.1 | 95.1 | 97.5 | 98.7 | 93.6 | 95.5 | 95 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10 | 10.8 | 11.7 | 9.99 | 9.46 | 9.79 | 10.3 | 9 | 9.88 | 9.35 |