sampling point
Halfacre Brook Below Clanfield
| Description | HALFACRE BROOK BELOW CLANFIELD |
|---|---|
| Sampling point ID | TH-PUTR0246 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 429680 201400 lat lon: 51.710548, -1.571835 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 139 samples taken between 2020 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.
19 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Chloride Ion
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- SI-GQA
- Temp Water
- Type of Flow
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 139 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 14 Jun 2019 to 5 Mar 2020
| Notation | Determinand | Units | 14 Jun 2019 13:16 | 9 Jul 2019 11:36 | 9 Aug 2019 13:48 | 30 Sep 2019 08:40 | 14 Oct 2019 09:31 | 18 Nov 2019 10:00 | 5 Dec 2019 13:40 | 27 Jan 2020 11:17 | 13 Feb 2020 10:42 | 5 Mar 2020 08:58 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.22 | 7.32 | 7.4 | 7.35 | 7.43 | 7.36 | 8.11 | 7.32 | 7.41 | 7.31 | |
| 0076 | Temperature of Water | °C | 15.2 | 17.6 | 19.5 | 14.7 | 13.5 | 10.3 | 6.8 | 8.8 | 8.2 | 8.1 |
| 0077 | Conductivity at 25 C | μs/cm | 730 | 840 | 789 | 745 | 832 | 772 | 534 | 397 | 738 | 738 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.136 | 0.13 | 0.072 | 1.5 | 0.68 | 1.26 | 1.4 | 1.7 | 2 | 1.8 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 9.12 | 7.4 | 7.8 | 5.3 | 10 | 6.84 | 7.3 | 5.1 | 5.9 | 5.9 |
| 0117 | Nitrate as N | mg/l | 8.92 | 7.19 | 7.64 | 5.1 | 9.84 | 6.06 | 6.5 | 4.69 | 5.6 | 5.43 |
| 0118 | Nitrite as N | mg/l | 0.204 | 0.21 | 0.16 | 0.2 | 0.16 | 0.78 | 0.8 | 0.41 | 0.3 | 0.47 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00062 | 0.00088 | 0.00068 | 0.00881 | 0.00439 | 0.00546 | 0.0202 | 0.00601 | 0.00832 | 0.00591 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 219 | 250 | 230 | 220 | 250 | 279 | 280 | 280 | 260 | 270 |
| 0180 | Orthophosphate, reactive as P | mg/l | 2.43 | 3.1 | 2.8 | 2.6 | 1.7 | 1 | 1.1 | 1.2 | 1 | 1 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 25.9 | 11 | 45.7 | 13.8 | 15.8 | 16 | 78.8 | 21.9 | 9.6 | 18.8 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 2.59 | 1.05 | 4.19 | 1.4 | 1.64 | 1.79 | 9.6 | 2.54 | 1.13 | 2.22 |
Samples from 22 Jul 2016 to 20 May 2019
| Notation | Determinand | Units | 22 Jul 2016 14:38 | 11 Aug 2016 12:11 | 20 Oct 2016 13:28 | 25 Nov 2016 10:36 | 12 Dec 2016 12:18 | 31 Jan 2017 15:40 | 17 Feb 2017 10:59 | 27 Mar 2017 12:16 | 10 Apr 2019 12:08 | 20 May 2019 10:24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.54 | 7.51 | 7.32 | 7.44 | 7.54 | 7.98 | 7.42 | ||||
| 0076 | Temperature of Water | °C | 8.7 | 9.8 | 9.1 | 9.6 | 9.6 | 9.8 | 13.9 | |||
| 0077 | Conductivity at 25 C | μs/cm | 756 | 750 | 751 | 768 | 778 | 856 | 840 | |||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.212 | 0.885 | 0.663 | 0.057 | 0.188 | < 0.03 | 0.657 | |||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.4 | 6.35 | 6.79 | 7.99 | 8.18 | 10.4 | 10.1 | |||
| 0117 | Nitrate as N | mg/l | 7.07 | 6.06 | 6.61 | 7.91 | 7.97 | 10.4 | 9.78 | |||
| 0118 | Nitrite as N | mg/l | 0.326 | 0.294 | 0.18 | 0.0755 | 0.206 | 0.0134 | 0.317 | |||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00123 | 0.00521 | 0.0024 | 0.00028 | 0.00117 | < 0.00052 | 0.00427 | |||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 256 | 248 | 267 | 261 | 248 | 250 | 252 | |||
| 0180 | Orthophosphate, reactive as P | mg/l | 2.04 | 2.2 | 1.98 | 1.92 | 2.08 | 1.44 | 2.71 | |||
| 7668 | No flow /No sample | 0 | 0 | 0 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 22 | 14.5 | 33.4 | 41 | 27.6 | 87.6 | 26.1 | |||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 2.56 | 1.64 | 3.84 | 4.66 | 3.14 | 9.92 | 2.69 |