sampling point
Weir Bk Ponthen
| Description | WEIR BROOK AT PONTHEN |
|---|---|
| Sampling point ID | MD-30546120 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 334100 317300 lat lon: 52.749272, -2.977734 |
| Area | Shropshire Herefordshire Worcestershire And Gloucestershire |
| Sub-Area | Shropshire & Wye |
| Summary | 217 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.
37 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Cadmium - Cd
- Calcium - Ca
- Chloride Ion
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- Hardness
- Lead - as Pb
- Magnesium-Mg
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- Phenol Odour
- Potassium- K
- Temp Water
- Visit-NoBott
- Weth-Visibty
- Weth7Dy-Prec
- Weth7Dy-Temp
- Weth7Dy-Vsy
- WethPresPrec
- WethPresTemp
- Zinc - as Zn
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 217 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 9 Jan 2020 to 18 Jun 2024
| Notation | Determinand | Units | 9 Jan 2020 09:44 | 12 May 2021 11:28 | 2 Jun 2021 11:32 | 5 Jul 2021 13:39 | 11 Aug 2021 12:59 | 10 Sep 2021 12:55 | 11 Oct 2021 15:16 | 4 Nov 2021 12:43 | 17 Dec 2021 13:26 | 18 Jun 2024 12:55 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.14 | 7.65 | 7.53 | 7.3 | 7.76 | 7.52 | 7.97 | 7.54 | 7.65 | ||
| 0076 | Temperature of Water | °C | 7.7 | 10.7 | 15.7 | 15.5 | 15 | 15.6 | 12.6 | 7.5 | 6.6 | |
| 0077 | Conductivity at 25 C | μs/cm | 438 | 535 | 544 | 485 | 578 | 575 | 580 | 429 | 261 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.49 | 0.24 | 0.11 | 0.24 | < 0.03 | 0.068 | 0.061 | 0.26 | 0.14 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 5.1 | 8.2 | 9.9 | 7.1 | 12 | 12 | 12 | 6.3 | 2.9 | |
| 0117 | Nitrate as N | mg/l | 5.05 | 8.16 | 9.86 | 7.01 | 11.9 | 11.9 | 11.9 | 6.23 | 2.86 | |
| 0118 | Nitrite as N | mg/l | 0.052 | 0.037 | 0.039 | 0.09 | 0.089 | 0.1 | 0.055 | 0.075 | 0.041 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00106 | 0.00208 | 0.00105 | 0.00133 | < 0.00046 | 0.00063 | 0.00126 | 0.00138 | 0.0009 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 130 | 150 | 160 | 140 | 170 | 170 | 170 | 120 | 68 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.16 | 0.12 | 0.12 | 0.24 | 0.2 | 0.36 | 0.19 | 0.22 | 0.29 | |
| 7668 | No flow /No sample | 0 | ||||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 75.4 | 82.9 | 98 | 78.9 | 77.9 | 77.6 | 85.1 | 47.6 | 73.1 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.98 | 9.19 | 9.71 | 7.85 | 7.83 | 7.7 | 9.03 | 5.7 | 8.95 |
Samples from 10 Apr 2017 to 11 Dec 2019
| Notation | Determinand | Units | 10 Apr 2017 12:23 | 11 May 2017 12:42 | 3 Apr 2019 12:26 | 10 May 2019 08:25 | 27 Jun 2019 12:33 | 12 Jul 2019 13:22 | 13 Aug 2019 08:49 | 10 Sep 2019 13:22 | 5 Dec 2019 10:21 | 11 Dec 2019 13:22 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.86 | 7.84 | 7.4 | 7.74 | 7.62 | 7.74 | 7.93 | 7.24 | 7.32 | ||
| 0076 | Temperature of Water | °C | 10.4 | 6.6 | 9.1 | 15.9 | 16.6 | 12.7 | 13.4 | 6.8 | 6.7 | |
| 0077 | Conductivity at 25 C | μs/cm | 556 | 548 | 517 | 403 | 547 | 563 | 544 | 552 | 161 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.078 | 0.219 | 0.695 | 0.272 | 0.16 | 0.097 | 0.067 | 0.3 | 0.13 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 9.43 | 10.7 | 8.16 | 7.27 | 3.84 | 8.5 | 9.9 | 9.4 | 7.8 | 1.6 |
| 0117 | Nitrate as N | mg/l | 9.4 | 10.7 | 8.13 | 7.21 | 3.74 | 8.39 | 9.83 | 9.32 | 7.72 | 1.58 |
| 0118 | Nitrite as N | mg/l | 0.029 | 0.0341 | 0.0302 | 0.0592 | 0.101 | 0.11 | 0.067 | 0.081 | 0.08 | 0.018 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00107 | 0.00216 | 0.00302 | 0.00425 | 0.002 | 0.0012 | 0.00134 | 0.00076 | 0.00039 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 169 | 143 | 141 | 118 | 160 | 170 | 160 | 160 | 43 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.185 | 0.159 | 0.322 | 0.336 | 0.17 | < 0.01 | 0.31 | 0.12 | 0.078 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 88.9 | 98.1 | 68.9 | 59.5 | 92.2 | 80.6 | 87.6 | 71 | 78.8 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.92 | 12 | 7.93 | 5.87 | 8.96 | 8.53 | 9.13 | 8.65 | 9.62 |