sampling point
Ridgegate Reservoir
| Description | RIDGEGATE RESERVOIR |
|---|---|
| Sampling point ID | NW-88017441 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 395500 371300 lat lon: 53.238697, -2.068875 |
| Area | Greater Manchester Merseyside And Cheshire |
| Sub-Area | Manchester |
| Summary | 119 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
- 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 119 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 13 Jun 2019 to 23 Mar 2020
| Notation | Determinand | Units | 13 Jun 2019 11:15 | 30 Jul 2019 11:12 | 13 Aug 2019 10:50 | 10 Sep 2019 13:57 | 30 Oct 2019 11:40 | 20 Nov 2019 13:27 | 4 Dec 2019 10:42 | 22 Jan 2020 11:19 | 20 Feb 2020 12:21 | 23 Mar 2020 10:46 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 6.1 | 8.3 | 13 | 20 | 14 | 15 | 14 | 13 | 12 | |
| 0077 | Conductivity at 25 C | μs/cm | 161 | 159 | 149 | 147 | 134 | 136 | 144 | 140 | 141 | 146 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 28 | 29 | 29 | 48 | 25 | 21 | 26 | 23 | 17 | 23 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0095 | 0.01 | 0.011 | 0.0082 | 0.016 | 0.012 | 0.012 | 0.013 | 0.012 | |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 1.1 | 3.1 | 3.1 | 2.5 | 6.3 | 5.2 | 4.6 | 4.6 | 9.9 | |
| 9686 | Nitrogen, Total as N | mg/l | 1.25 | 0.96 | 1.2 | 1 | 1.2 | 1.31 | 1.3 | 1.7 | 1.4 | |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.002 | 0.0019 | 0.0015 | < 0.001 | 0.0034 | 0.0019 | 0.0029 | 0.0037 | 0.0011 | |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.872 | 0.68 | 0.79 | 0.76 | 0.88 | 1.01 | 1.2 | 1.1 | 1.2 |
Samples from 10 Aug 2018 to 28 May 2019
| Notation | Determinand | Units | 10 Aug 2018 11:56 | 11 Sep 2018 11:19 | 3 Oct 2018 10:56 | 19 Nov 2018 12:43 | 10 Dec 2018 13:03 | 23 Jan 2019 11:12 | 25 Feb 2019 10:50 | 11 Mar 2019 13:17 | 26 Apr 2019 11:55 | 28 May 2019 13:48 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 5.8 | 6.9 | 8.7 | 8.7 | 6.2 | 11 | 5.6 | 8 | 7.8 | 7 |
| 0077 | Conductivity at 25 C | μs/cm | 191 | 188 | 183 | 182 | 182 | 181 | 189 | 177 | 167 | 165 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 42 | 40 | 40 | 37 | 39 | 36 | 37 | 32 | 29 | 28 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0332 | 0.0137 | 0.0146 | 0.012 | 0.0256 | 0.0103 | 0.0156 | 0.016 | 0.0113 | |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 12.5 | 11.1 | 10.1 | 11.6 | 10.6 | 7.3 | 6.1 | 7.3 | 4.3 | 4.1 |
| 9686 | Nitrogen, Total as N | mg/l | 0.99 | 0.69 | 0.82 | 0.77 | 1.03 | 0.86 | 0.99 | 1.27 | 1.25 | 1 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0038 | 0.0018 | 0.0029 | 0.0029 | 0.0059 | 0.0084 | 0.0011 | 0.0024 | 0.0044 | 0.0032 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.3 | 0.292 | 0.422 | 0.449 | 0.605 | 0.582 | 0.669 | 0.873 | 0.955 | 0.891 |