sampling point
Ardleigh Reservoir
| Description | ARDLEIGH RESERVOIR |
|---|---|
| Sampling point ID | AN-TG10 |
| Type | Freshwater – Rivers |
| Status | closed |
| Location |
easting northing: 603700 229000 lat lon: 51.922236, 0.960899 |
| Area | Essex Norfolk And Suffolk |
| Sub-Area | Essex Team Sub Area |
| Summary | 12 samples taken between 2009 and 2008 |
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.
7 determinands have been measured at this site
- Alky pH 4.5
- CHLOROPHYLL
- Colour Filt
- Nitrogen - N
- Phaeo Acetn
- Phosphorus-P
- Vol Filtered
Sampling results
Samples from 10 Jul 2008 to 29 Apr 2009
| Notation | Determinand | Units | 10 Jul 2008 20:40 | 6 Aug 2008 21:40 | 5 Sep 2008 11:30 | 2 Oct 2008 11:15 | 19 Nov 2008 14:50 | 25 Nov 2008 00:01 | 8 Jan 2009 14:10 | 8 Feb 2009 12:00 | 9 Mar 2009 14:20 | 29 Apr 2009 09:10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 11 | 8.8 | 8.2 | 7 | 5.4 | 8.4 | 6.5 | 8.1 | 9.6 | 6.7 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 139 | 128 | 123 | 136 | 168 | 159 | 173 | 174 | 146 | 147 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0203 | 0.024 | 0.0285 | 0.0911 | 0.0218 | 0.0241 | 0.0227 | 0.0552 | 0.033 | 0.0182 |
| 4865 | Volume of Sample Filtered | ml | 500 | 500 | 500 | 500 | 2000 | 1000 | 1000 | 500 | 1000 | 500 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 2.8 | 3.2 | 68.6 | 15.9 | 0.93 | 1.8 | 0.94 | 15.6 | 10.7 | 5.2 |
| 9686 | Nitrogen, Total as N | mg/l | 4.21 | 2.98 | 2.51 | 2.73 | 4.58 | 3.88 | 5.48 | 6.13 | 7.06 | 5.56 |
Samples from 12 May 2008 to 17 Jun 2008
| Notation | Determinand | Units | 12 May 2008 15:30 | 17 Jun 2008 13:10 |
|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 6.4 | 8.1 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 125 | 134 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0823 | 0.0146 |
| 4865 | Volume of Sample Filtered | ml | 600 | 500 |
| 5122 | Phaeophytin, Acetone Extract | μg/l | 1.03 | |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 1.34 | 4.5 |
| 9686 | Nitrogen, Total as N | mg/l | 5.72 | 4.93 |