sampling point
Forest Mere Outlet
| Description | FOREST MERE OUTLET |
|---|---|
| Sampling point ID | TH-PGWL0189 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 481991 130107 lat lon: 51.06445, -0.831296 |
| Area | West Thames |
| Sub-Area | L&W South Wt |
| 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 9 Oct 2017 to 31 Jan 2020
| Notation | Determinand | Units | 9 Oct 2017 11:27 | 24 Jan 2018 10:51 | 21 Jun 2018 15:00 | 12 Jul 2018 13:12 | 1 Oct 2018 11:22 | 8 Jan 2019 12:37 | 26 Apr 2019 12:26 | 31 Jul 2019 09:26 | 4 Oct 2019 08:59 | 31 Jan 2020 13:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 48 | 57 | 66 | 55 | 44 | 70 | 83 | 69 | 46 | 110 |
| 0077 | Conductivity at 25 C | μs/cm | 199 | 178 | 179 | 207 | 217 | 176 | 170 | 174 | 182 | 167 |
| 0348 | Phosphorus, Total as P | mg/l | 0.822 | 0.275 | 0.447 | 0.637 | 0.393 | 0.206 | 0.234 | 0.82 | 0.52 | 0.24 |
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 49.6 | 33.4 | 35 | 45.2 | 44.6 | 27.5 | 29.7 | 39 | 47 | 32 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 7.8 | 3.6 | 6.8 | 9.4 | 55.9 | 17.1 | 14.9 | 26 | 21 | 5 |
| 9686 | Nitrogen, Total as N | mg/l | 1.63 | 2.3 | 1.17 | 1.72 | 2.11 | 1.56 | 1.33 | 2.7 | 2 | 1.5 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.589 | 0.178 | 0.395 | 0.463 | 0.141 | 0.145 | 0.154 | 0.48 | 0.5 | 0.22 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.059 | 0.597 | 0.0181 | 0.0168 | 0.0223 | 0.474 | 0.0102 | 0.038 | 0.016 | 0.45 |
Samples from 15 Apr 2015 to 13 Jul 2017
| Notation | Determinand | Units | 15 Apr 2015 11:13 | 29 Jul 2015 12:56 | 12 Oct 2015 14:49 | 27 Jan 2016 14:15 | 13 Apr 2016 13:55 | 19 Jul 2016 15:54 | 17 Oct 2016 13:06 | 10 Jan 2017 11:14 | 4 Apr 2017 09:58 | 13 Jul 2017 10:06 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 96 | 59 | 49 | 126 | 149 | 85 | 47 | 40 | 46 | 61 |
| 0077 | Conductivity at 25 C | μs/cm | 218 | 220 | 211 | 218 | 222 | 218 | 216 | 106 | 198 | 219 |
| 0348 | Phosphorus, Total as P | mg/l | 0.421 | 1.76 | 0.293 | 0.508 | 0.506 | 0.531 | 0.384 | 0.236 | 0.27 | 1.05 |
| 7610 | Alkalinity to pH 4.5 : Grans Plot | mg/l | 49 | 52.4 | 38.4 | 45.6 | 49.4 | 51.3 | 52.4 | 40 | 36.6 | 56.6 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 4.9 | 26.3 | 4.2 | 3.4 | 1.6 | 8 | 2.7 | 6 | 83.3 | 5.9 |
| 9686 | Nitrogen, Total as N | mg/l | 1.81 | 3.67 | 1.35 | 2.65 | 2.67 | 1.16 | 1.57 | 1.35 | 1.16 | 3.42 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.304 | 0.619 | 0.217 | 0.42 | 0.348 | 0.445 | 0.299 | 0.194 | 0.14 | 0.838 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.431 | 0.0096 | 0.168 | 0.773 | 0.97 | 0.0996 | 0.248 | 0.449 | 0.0124 | 0.141 |