sampling point
Errwood Reservoir
| Description | ERRWOOD RESERVOIR |
|---|---|
| Sampling point ID | NW-88017410 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 401400 375200 lat lon: 53.273772, -1.980459 |
| 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
- 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 39 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 30 Oct 2017 to 30 Jan 2020
| Notation | Determinand | Units | 30 Oct 2017 13:32 | 12 Jan 2018 11:13 | 26 Apr 2018 12:08 | 24 Jul 2018 13:19 | 3 Oct 2018 11:47 | 21 Jan 2019 12:50 | 1 May 2019 12:38 | 30 Jul 2019 12:47 | 24 Oct 2019 14:06 | 30 Jan 2020 11:16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 116 | 89 | 55 | 28 | 65 | 76 | 63 | 64 | 140 | 94 |
| 0077 | Conductivity at 25 C | μs/cm | 76 | 86 | 96 | 128 | 106 | 91 | 88 | 99 | 65 | 73 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 14 | 9 | 10 | 21 | 16 | 12 | 11 | 15 | 11 | 10 |
| 0348 | Phosphorus, Total as P | mg/l | 0.015 | 0.0147 | 0.0078 | 0.0305 | 0.014 | 0.0098 | 0.0144 | 0.0082 | 0.014 | 0.014 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 0.86 | < 0.5 | 2.2 | 6.5 | 3.2 | < 0.5 | 2.6 | 2.6 | 0.73 | 0.85 |
| 9686 | Nitrogen, Total as N | mg/l | 1 | 1.07 | 1.08 | 0.97 | 1.11 | 1.14 | 1.06 | 0.99 | 1.1 | 1 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0046 | 0.0042 | < 0.001 | 0.002 | 0.0025 | 0.0027 | 0.0045 | 0.0011 | 0.0046 | 0.0038 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.567 | 0.65 | 0.754 | 0.577 | 0.659 | 0.856 | 0.79 | 0.63 | 0.6 | 0.67 |
Samples from 21 Apr 2015 to 11 Jul 2017
| Notation | Determinand | Units | 21 Apr 2015 13:20 | 20 Jul 2015 12:52 | 14 Oct 2015 12:05 | 25 Jan 2016 11:06 | 21 Apr 2016 11:37 | 14 Jul 2016 12:05 | 21 Oct 2016 11:52 | 23 Jan 2017 11:35 | 27 Apr 2017 11:47 | 11 Jul 2017 11:40 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 61 | 50 | 75 | 99 | 74 | 101 | 103 | 92 | 68 | 62 |
| 0077 | Conductivity at 25 C | μs/cm | 105 | 102 | 105 | 70 | 86 | 84 | 85 | 85 | 87 | 94 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 10 | 14 | 17 | 9 | 10 | 13 | 17 | 11 | 13 | 13 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0099 | 0.009 | 0.0173 | 0.0152 | 0.0089 | 0.0166 | 0.0132 | 0.0112 | 0.0108 | 0.0113 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 1.1 | 3.4 | 1.4 | 0.53 | 1 | 2.5 | 0.95 | < 0.5 | 0.96 | 4.9 |
| 9686 | Nitrogen, Total as N | mg/l | 1.17 | 1.04 | 0.99 | 1.06 | 0.98 | 0.96 | 1.01 | 1.07 | 0.99 | 0.89 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.003 | 0.0027 | 0.0041 | 0.0053 | 0.0017 | 0.0019 | 0.0036 | 0.0043 | 0.0036 | 0.001 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.859 | 0.717 | 0.604 | 0.653 | 0.646 | 0.496 | 0.48 | 0.617 | 0.64 | 0.571 |