sampling point
Peppershill Brook Above Thame
| Description | PEPPERSHILL BROOK ABOVE THAME |
|---|---|
| Sampling point ID | TH-PTAR0107 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 465400 206559 lat lon: 51.753907, -1.053948 |
| Area | West Thames |
| Sub-Area | L&W North Wt |
| Summary | 145 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.
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 145 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 15 Sep 2023 to 30 Aug 2024
| Notation | Determinand | Units | 15 Sep 2023 14:22 | 29 Sep 2023 09:35 | 27 Nov 2023 10:40 | 27 Dec 2023 11:12 | 17 Jan 2024 12:17 | 27 Mar 2024 15:07 | 25 Apr 2024 13:14 | 24 Jun 2024 12:59 | 22 Jul 2024 14:23 | 30 Aug 2024 13:27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.29 | 7.4 | 7.64 | 7.79 | 7.57 | 7.97 | 7.39 | 7.66 | |||
| 0076 | Temperature of Water | °C | 14.6 | 8.4 | 8.6 | 2.1 | 8.8 | 8 | 16.5 | 17.6 | ||
| 0077 | Conductivity at 25 C | μs/cm | 994 | 824 | 759 | 836 | 594 | 907 | 968 | 973 | ||
| 0085 | BOD : 5 Day ATU | mg/l | < 4 | < 2 | 1.3 | 1.3 | ||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.047 | 0.079 | 0.095 | 0.13 | 0.12 | 0.035 | 0.093 | < 0.03 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | < 0.2 | 4.5 | 4.5 | 7.7 | 5.9 | 9.4 | < 0.2 | 2.6 | ||
| 0117 | Nitrate as N | mg/l | 0.185 | 4.45 | 4.46 | 7.67 | 5.87 | 9.38 | 0.192 | 2.59 | ||
| 0118 | Nitrite as N | mg/l | 0.015 | 0.052 | 0.043 | 0.027 | 0.035 | 0.022 | 0.0082 | 0.015 | ||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00024 | 0.00033 | 0.00069 | 0.00082 | 0.00075 | 0.00052 | 0.00068 | < 0.00044 | ||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 310 | 280 | 260 | 270 | 220 | 310 | 360 | 320 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 1.8 | 0.38 | 0.3 | 0.26 | 0.18 | 0.64 | 1.5 | 2.1 | ||
| 7668 | No flow /No sample | 0 | 0 | |||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 22.2 | 56.3 | 64.6 | 83.6 | 84.6 | 87.5 | 26.4 | 48.1 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 2.25 | 6.59 | 7.53 | 11.5 | 9.81 | 10.3 | 2.57 | 4.58 |
Samples from 13 Sep 2022 to 2 Aug 2023
| Notation | Determinand | Units | 13 Sep 2022 11:50 | 7 Oct 2022 10:51 | 14 Nov 2022 12:52 | 1 Dec 2022 10:28 | 18 Jan 2023 12:18 | 15 Feb 2023 11:07 | 10 Mar 2023 11:54 | 19 Jun 2023 09:19 | 18 Jul 2023 12:50 | 2 Aug 2023 11:07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.51 | 7.63 | 7.59 | 7.73 | 7.82 | 7.73 | 7.65 | ||||
| 0076 | Temperature of Water | °C | 11.2 | 5.8 | 3.1 | 3.6 | 5.2 | 18.7 | 17.3 | |||
| 0077 | Conductivity at 25 C | μs/cm | 977 | 909 | 639 | 929 | 672 | 870 | 784 | |||
| 0085 | BOD : 5 Day ATU | mg/l | 2.3 | |||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | 0.11 | 0.036 | < 0.03 | 0.057 | < 0.03 | < 0.03 | |||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | < 0.2 | 16 | 7.8 | 7.1 | 12 | 7.8 | 7.4 | |||
| 0117 | Nitrate as N | mg/l | < 0.196 | 15.9 | 7.77 | 7.08 | 12 | 7.77 | 7.39 | |||
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.1 | 0.029 | 0.023 | 0.03 | 0.031 | 0.013 | |||
| 0119 | Ammonia un-ionised as N | mg/l | < 0.0002 | 0.00063 | 0.00015 | < 0.00018 | 0.00048 | < 0.00056 | < 0.00042 | |||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 280 | 240 | 190 | 250 | 160 | 240 | 210 | |||
| 0180 | Orthophosphate, reactive as P | mg/l | 1.1 | 0.52 | 0.19 | 0.66 | 0.2 | 0.41 | 0.38 | |||
| 7668 | No flow /No sample | 0 | 0 | 0 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 15 | 48.9 | 65.1 | 72.4 | 85.8 | 58.1 | 74.9 | |||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 1.64 | 6.11 | 8.73 | 9.58 | 10.9 | 5.41 | 7.18 |