sampling point
Naden Middle Reservoir
| Description | NADEN MIDDLE RESERVOIR |
|---|---|
| Sampling point ID | NW-88017501 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 385400 416700 lat lon: 53.646587, -2.222327 |
| Area | Greater Manchester Merseyside And Cheshire |
| Sub-Area | Manchester |
| Summary | 39 samples taken between 2020 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.
8 determinands have been measured at this site
- Alk-Gran
- 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 39 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 3 Oct 2017 to 15 Jan 2020
| Notation | Determinand | Units | 3 Oct 2017 12:36 | 23 Jan 2018 12:27 | 16 Apr 2018 12:37 | 10 Jul 2018 11:48 | 4 Oct 2018 14:44 | 4 Jan 2019 12:48 | 3 Apr 2019 13:29 | 3 Jul 2019 12:54 | 16 Oct 2019 11:59 | 15 Jan 2020 11:48 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 47 | 27 | 18 | 12 | 14 | 22 | 18 | 24 | 65 | 36 |
| 0077 | Conductivity at 25 C | μs/cm | 43 | 45 | 49 | 54 | 59 | 54 | 48 | 52 | 40 | 41 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0242 | 0.0111 | 0.0087 | 0.0112 | 0.0137 | 0.0089 | 0.0103 | 0.0067 | 0.015 | 0.011 |
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 4.1 | 2.33 | 2.68 | 5.13 | 5.84 | 2.6 | 2.14 | 4.1 | 3.6 | 1.8 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 3.4 | < 0.5 | 1.5 | 5 | 2.7 | 1.6 | 1.8 | 0.79 | 1.3 | < 0.5 |
| 9686 | Nitrogen, Total as N | mg/l | 0.58 | 0.54 | 0.55 | 0.46 | 0.49 | 0.62 | 0.64 | 0.63 | 0.64 | 0.58 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0043 | 0.0021 | 0.0013 | 0.0013 | < 0.001 | 0.0014 | 0.0018 | 0.0014 | 0.0031 | 0.0021 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.199 | 0.307 | 0.322 | 0.193 | 0.226 | 0.389 | 0.385 | 0.26 | 0.23 | 0.33 |
Samples from 21 Apr 2015 to 25 Jul 2017
| Notation | Determinand | Units | 21 Apr 2015 12:20 | 7 Jul 2015 14:06 | 23 Oct 2015 11:15 | 6 Jan 2016 12:39 | 27 Apr 2016 10:22 | 22 Aug 2016 12:25 | 20 Oct 2016 10:38 | 19 Jan 2017 11:00 | 26 Apr 2017 12:21 | 25 Jul 2017 13:27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 18 | 112 | 28 | 39 | 24 | 43 | 62 | 33 | 29 | 29 |
| 0077 | Conductivity at 25 C | μs/cm | 58 | 84 | 58 | 37 | 44 | 54 | 45 | 48 | 40 | 48 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0345 | 0.0888 | 0.0165 | 0.0324 | 0.0388 | 0.0174 | 0.0192 | 0.0144 | 0.0107 | 0.0177 |
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 3.49 | 12.1 | 6.74 | 1.5 | 3.06 | 12.4 | 5.01 | 4.59 | 2.6 | 5.09 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 9.8 | 7.1 | 5.4 | 2 | 3 | 2.9 | 3.8 | 2.3 | 3.7 | 6.1 |
| 9686 | Nitrogen, Total as N | mg/l | 0.81 | 1.89 | 0.5 | 0.58 | 0.54 | 0.56 | 0.8 | 0.62 | 0.54 | 0.56 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0025 | 0.0139 | 0.0046 | 0.002 | 0.017 | 0.0028 | 0.0051 | 0.0079 | 0.0026 | 0.0034 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.413 | 0.52 | 0.192 | 0.255 | 0.289 | 0.133 | 0.194 | 0.327 | 0.268 | 0.227 |