sampling point
Bradwell Stream Ptcw R.Caen
| Description | BRADWELL STREAM PTCW R.CAEN |
|---|---|
| Sampling point ID | SW-73011600 |
| Type | Freshwater – Unspecified |
| Status | open |
| Location |
easting northing: 249582 140328 lat lon: 51.142399, -4.15164 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 90 samples taken between 2023 and 2013 |
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.
12 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Temp Water
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 90 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 22 Aug 2022 to 21 Mar 2023
| Notation | Determinand | Units | 22 Aug 2022 11:14 | 27 Sep 2022 14:49 | 12 Oct 2022 12:29 | 24 Oct 2022 10:29 | 11 Nov 2022 15:21 | 21 Nov 2022 10:46 | 7 Dec 2022 13:39 | 25 Jan 2023 12:30 | 13 Feb 2023 10:26 | 21 Mar 2023 10:45 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.64 | 7.74 | 7.9 | 7.7 | 7.89 | 7.74 | 7.71 | 7.6 | 7.8 | 7.68 | |
| 0076 | Temperature of Water | °C | 15.6 | 12.3 | 11.5 | 12.6 | 13.5 | 10.3 | 9 | 7.6 | 6.7 | 10.3 |
| 0077 | Conductivity at 25 C | μs/cm | 244 | 245 | 259 | 257 | 222 | 269 | 268 | 256 | 260 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.35 | < 0.03 | < 0.03 | 0.034 | 0.037 | 0.13 | 0.064 | 0.06 | < 0.03 | 0.084 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 4.4 | 3.8 | 3 | 5.3 | 4.2 | 6.1 | 6.2 | 4.9 | 4.6 | |
| 0117 | Nitrate as N | mg/l | 4.37 | 3.8 | 3 | 5.29 | 4.17 | 6.06 | 6.17 | 4.88 | 4.57 | |
| 0118 | Nitrite as N | mg/l | 0.032 | 0.0046 | < 0.004 | 0.014 | 0.026 | 0.042 | 0.027 | 0.021 | 0.027 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00426 | < 0.00036 | < 0.00049 | 0.00038 | 0.00068 | 0.00134 | 0.00056 | 0.00037 | < 0.00027 | 0.00076 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 43 | 48 | 55 | 50 | 45 | 50 | 48 | 49 | 54 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.43 | 0.17 | 0.14 | 0.042 | 0.089 | 0.051 | 0.04 | 0.059 | 0.055 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 101 | 103.3 | 99 | 99.9 | 98.7 | 99.6 | 100.6 | 99.9 | 101.4 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10 | 11 | 10.8 | 10.4 | 11 | 11.5 | 12 | 12.2 | 11.3 |
Samples from 14 Oct 2021 to 15 Aug 2022
| Notation | Determinand | Units | 14 Oct 2021 11:02 | 25 Nov 2021 11:35 | 9 Dec 2021 11:23 | 19 Jan 2022 11:17 | 24 Feb 2022 10:22 | 24 Feb 2022 10:23 | 22 Mar 2022 08:58 | 4 Apr 2022 11:26 | 15 Jun 2022 09:23 | 15 Aug 2022 10:53 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.67 | 7.8 | 7.76 | 7.66 | 7.71 | 7.71 | 7.8 | 7.58 | 7.9 | 7.43 | |
| 0076 | Temperature of Water | °C | 10.6 | 8.6 | 8.7 | 9 | 7.6 | 7.6 | 9.4 | 8.9 | 11.5 | 15.5 |
| 0077 | Conductivity at 25 C | μs/cm | 235 | 225 | 229 | 238 | 251 | 226 | 346 | 230 | 224 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | 0.039 | 0.044 | < 0.03 | 0.67 | 0.27 | < 0.03 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 2.7 | 3.4 | 3.4 | 4.1 | 4.2 | 4.2 | 3.6 | 3.2 | 3.9 | |
| 0117 | Nitrate as N | mg/l | 2.69 | 3.39 | 3.39 | 4.08 | 4.18 | 4.19 | 3.52 | 3.18 | 3.89 | |
| 0118 | Nitrite as N | mg/l | 0.0084 | 0.01 | 0.013 | 0.019 | 0.02 | 0.012 | 0.08 | 0.025 | 0.0079 | |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00027 | < 0.00031 | < 0.00029 | 0.00031 | 0.00035 | < 0.00033 | 0.00433 | 0.00438 | < 0.00022 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 60 | 55 | 54 | 51 | 52 | 52 | 52 | 49 | 41 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.05 | 0.048 | 0.039 | 0.1 | 0.046 | 0.037 | 0.11 | 0.17 | 0.19 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 101 | 96 | 97.3 | 97 | 95.7 | 98.2 | 102.2 | 102 | 96.1 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 11.2 | 11.2 | 11.3 | 11.2 | 11.4 | 11.2 | 11.8 | 11.1 | 9.56 |