sampling point
High Laver Brook Above Cripsey Brook, Mo
| Description | HIGH LAVER BROOK ABOVE CRIPSEY BROOK, MORETON |
|---|---|
| Sampling point ID | TH-PRGR0163 |
| Type | Freshwater – Unspecified |
| Status | open |
| Location |
easting northing: 553000 207050 lat lon: 51.741265, 0.214595 |
| Area | Hertfordshire And North London |
| Sub-Area | L&W Herts & North London |
| Summary | 106 samples taken between 2024 and 2010 |
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.
13 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- Cond @ 25C
- Linuron
- 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 106 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 31 Oct 2022 to 7 Aug 2024
| Notation | Determinand | Units | 31 Oct 2022 14:08 | 3 Nov 2022 12:50 | 11 Nov 2022 12:13 | 16 Dec 2022 10:48 | 24 Jan 2023 12:16 | 27 Feb 2023 14:09 | 13 Mar 2023 14:23 | 13 Jun 2024 10:52 | 4 Jul 2024 10:37 | 7 Aug 2024 11:48 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.75 | 7.71 | 7.95 | 8.18 | 8.16 | 8.26 | 8.09 | 8.14 | 8.3 | 8.23 | |
| 0076 | Temperature of Water | °C | 13.2 | 12.3 | 12.5 | 1.3 | 3.7 | 4.6 | 9.4 | 11.5 | 13.8 | 15.8 |
| 0077 | Conductivity at 25 C | μs/cm | 872 | 761 | 821 | 897 | 789 | 803 | 766 | 772 | 1069 | 1094 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.073 | < 0.03 | 0.048 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.14 | 0.099 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.3 | 19 | 19 | 12 | 14 | 9.4 | 12 | 6.4 | 12 | 6.9 |
| 0117 | Nitrate as N | mg/l | 19 | 19 | 12 | 14 | 9.38 | 12 | 6.39 | 11.9 | 6.84 | |
| 0118 | Nitrite as N | mg/l | 0.045 | 0.028 | 0.011 | 0.0099 | 0.019 | 0.016 | 0.013 | 0.061 | 0.064 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00082 | < 0.00059 | 0.00046 | < 0.00034 | < 0.00037 | < 0.00052 | < 0.00061 | 0.00337 | 0.00276 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 280 | 200 | 240 | 270 | 250 | 270 | 270 | 270 | 250 | 270 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.066 | 0.12 | 0.046 | 0.062 | 0.049 | 0.053 | 0.035 | 0.089 | 2.5 | 2.3 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 62.5 | 79.7 | 84.2 | 92.9 | 96.6 | 104.8 | 98.3 | 88.1 | 91.3 | 89.7 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 6.54 | 8.51 | 8.95 | 13.1 | 12.7 | 13.5 | 11.2 | 9.58 | 9.43 | 8.87 |