sampling point
Holden Wood Reservoir
| Description | HOLDEN WOOD RESERVOIR |
|---|---|
| Sampling point ID | NW-88017536 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 377100 422400 lat lon: 53.697519, -2.348304 |
| Area | Greater Manchester Merseyside And Cheshire |
| Sub-Area | Manchester |
| Summary | 102 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.
9 determinands have been measured at this site
- Alk-Gran
- CHLOROPHYLL
- Colour Filt
- Cond @ 25C
- N Oxid Filt
- NO FLOW/SAMP
- Nitrogen - N
- OrthophsFilt
- Phosphorus-P
Sampling results
Displaying the twenty most recent samples. You can see all 102 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 3 Jul 2019 to 11 Mar 2020
| Notation | Determinand | Units | 3 Jul 2019 10:35 | 6 Aug 2019 12:47 | 21 Aug 2019 10:05 | 26 Sep 2019 12:25 | 16 Oct 2019 10:03 | 13 Nov 2019 09:55 | 12 Dec 2019 11:40 | 15 Jan 2020 13:40 | 17 Feb 2020 14:16 | 11 Mar 2020 10:27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 20 | 18 | 40 | 61 | 53 | 54 | 45 | 39 | 29 | |
| 0077 | Conductivity at 25 C | μs/cm | 145 | 151 | 108 | 83 | 95 | 91 | 89 | 85 | 104 | |
| 0348 | Phosphorus, Total as P | mg/l | 0.052 | 0.027 | 0.022 | 0.03 | 0.0257 | 0.03 | 0.028 | 0.037 | ||
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 30 | 33 | 19 | 12 | 13.6 | 12 | 11 | 8.3 | 8.9 | |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 8.6 | 38 | 12 | 3.3 | 1.5 | 1.6 | 1 | 2 | 1.7 | |
| 9686 | Nitrogen, Total as N | mg/l | 0.88 | 0.82 | 1.1 | 1.2 | 1.11 | 1.2 | 1.1 | 1.2 | 1.1 | |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0036 | 0.0067 | 0.0049 | 0.0083 | 0.0082 | 0.0099 | 0.01 | 0.0088 | 0.0074 | |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.34 | 0.0094 | 0.43 | 0.53 | 0.667 | 0.64 | 0.69 | 0.79 | 0.7 |
Samples from 6 Nov 2018 to 28 Jun 2019
| Notation | Determinand | Units | 6 Nov 2018 10:49 | 23 Nov 2018 11:46 | 11 Dec 2018 11:54 | 3 Jan 2019 10:10 | 13 Feb 2019 12:06 | 6 Mar 2019 11:17 | 12 Apr 2019 09:36 | 16 May 2019 13:04 | 19 Jun 2019 12:19 | 28 Jun 2019 10:45 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 24 | 21 | 23 | 29 | 26 | 25 | 23 | 19 | ||
| 0077 | Conductivity at 25 C | μs/cm | 161 | 166 | 123 | 124 | 127 | 104 | 122 | 141 | ||
| 0348 | Phosphorus, Total as P | mg/l | 0.0335 | 0.032 | 0.0208 | 0.0259 | 0.0284 | 0.0232 | 0.0395 | 0.0346 | ||
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 29.2 | 30.1 | 16.8 | 11.9 | 14.9 | 11.4 | 18.8 | 28.6 | ||
| 7887 | Chlorophyll : Acetone Extract | μg/l | 6.9 | 6.1 | 3.2 | 3 | 8.4 | 19.2 | 16 | 20.9 | ||
| 9686 | Nitrogen, Total as N | mg/l | 0.95 | 0.96 | 1.38 | 1.49 | 7.33 | 1.28 | 1.16 | 0.96 | ||
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0109 | 0.007 | 0.007 | 0.01 | 0.0049 | 0.0048 | 0.0027 | 0.0049 | ||
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.385 | 0.499 | 1.01 | 1.09 | 1.09 | 0.819 | 0.748 | 0.505 |