sampling point
Tarn Hows
| Description | TARN HOWS |
|---|---|
| Sampling point ID | NW-88022594 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 333080 500000 lat lon: 54.391047, -3.032076 |
| Area | Cumbria And Lancashire |
| Sub-Area | North Cumbria |
| Summary | 51 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.
9 determinands have been measured at this site
- Alk-Gran
- Alky pH 4.5
- CHLOROPHYLL
- Colour Filt
- Cond @ 25C
- N Oxid Filt
- Nitrogen - N
- OrthophsFilt
- Phosphorus-P
Sampling results
Displaying the twenty most recent samples. You can see all 51 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 4 Oct 2021 to 9 Jan 2024
| Notation | Determinand | Units | 4 Oct 2021 13:39 | 20 Jan 2022 11:28 | 13 Apr 2022 11:46 | 3 Oct 2022 10:20 | 10 Oct 2022 11:25 | 26 Jan 2023 12:32 | 25 Apr 2023 12:20 | 25 Jul 2023 12:49 | 19 Oct 2023 10:37 | 9 Jan 2024 13:02 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 12 | 12 | 15 | |||||||
| 0077 | Conductivity at 25 C | μs/cm | 60 | 58 | 67 | 67 | 63 | 55 | 60 | 63 | 56 | 56 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0073 | 0.0042 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |||
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 16 | 4.3 | 14 | 19 | 17 | 7.1 | 13 | 16 | 14 | 12 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 3.7 | 1.5 | 21 | 4.8 | 2.9 | 1.1 | 4.3 | 5.5 | 2.5 | 10 |
| 9686 | Nitrogen, Total as N | mg/l | 0.45 | 0.51 | 0.42 | 0.7 | 0.43 | 0.36 | 0.33 | 0.33 | 0.33 | 0.44 |
| 9856 | Orthophosphate, Filtered as P | mg/l | < 0.001 | < 0.001 | 0.001 | 0.0011 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.12 | 0.36 | 0.13 | 0.059 | 0.13 | 0.25 | 0.068 | 0.0052 | 0.094 | 0.24 |
Samples from 23 Jan 2018 to 14 Jul 2021
| Notation | Determinand | Units | 23 Jan 2018 12:20 | 11 Apr 2018 11:10 | 31 Oct 2018 13:04 | 19 Nov 2018 12:03 | 25 Jan 2019 14:32 | 22 May 2019 16:49 | 19 Jul 2019 13:24 | 11 Oct 2019 11:49 | 6 Jan 2020 11:50 | 14 Jul 2021 14:19 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 8.9 | 6.7 | 15 | 15 | 11 | 6.7 | 6 | 17 | 9.4 | 9.5 |
| 0077 | Conductivity at 25 C | μs/cm | 64 | 71 | 62 | 56 | 103 | 63 | 67 | 64 | 58 | 61 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 14 | 19 | 18 | 15 | 16 | 14 | 17 | 22 | 13 | |
| 0348 | Phosphorus, Total as P | mg/l | 0.0044 | 0.009 | 0.0065 | 0.0041 | 0.0051 | 0.009 | 0.011 | 0.0043 | 0.01 | 0.01 |
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 16 | |||||||||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 1.4 | 4.2 | 2.4 | 1.1 | 1.2 | 4.8 | 4 | 2 | 2.6 | 5.9 |
| 9686 | Nitrogen, Total as N | mg/l | 0.39 | 0.39 | 0.37 | 0.35 | 0.36 | 0.29 | 0.35 | 0.33 | 0.45 | 0.45 |
| 9856 | Orthophosphate, Filtered as P | mg/l | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | 0.0021 | < 0.001 | < 0.001 | < 0.001 | 0.0043 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.24 | 0.15 | 0.0897 | 0.113 | 0.187 | < 0.005 | < 0.005 | 0.11 | 0.23 | 0.0077 |