sampling point
Rockford Lake
| Description | ROCKFORD LAKE |
|---|---|
| Sampling point ID | SW-50281340 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 415591 108238 lat lon: 50.873431, -1.779781 |
| Area | Wessex |
| Sub-Area | East Wessex |
| Summary | 42 samples taken between 2020 and 2013 |
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 42 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 23 Nov 2017 to 7 Jan 2020
| Notation | Determinand | Units | 23 Nov 2017 11:18 | 11 Dec 2017 12:41 | 12 Mar 2018 13:43 | 4 Jun 2018 12:36 | 3 Sep 2018 14:34 | 4 Dec 2018 14:03 | 5 Apr 2019 09:43 | 10 Jul 2019 12:41 | 11 Oct 2019 10:45 | 7 Jan 2020 11:55 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 5.5 | < 5 | < 5 | 5.1 | < 5 | 8.7 | 5.2 | 5.4 | 9.3 | < 5 |
| 0077 | Conductivity at 25 C | μs/cm | 158 | 158 | 158 | 144 | 156 | 161 | 157 | 148 | 152 | 155 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 43 | 45 | 44 | 40 | 41 | 43 | 44 | 29 | 40 | 44 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0297 | 0.0287 | 0.0299 | 0.0215 | 0.0369 | 0.0346 | 0.0371 | 0.019 | 0.024 | 0.037 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 11.7 | 20.1 | 9.7 | 4.4 | 13.6 | 2.8 | 22.1 | 3.7 | 6.7 | 30 |
| 9686 | Nitrogen, Total as N | mg/l | 0.4 | 0.44 | 0.52 | 0.43 | 0.5 | 0.82 | 0.68 | 0.51 | 0.42 | 0.63 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0057 | 0.0018 | 0.0019 | 0.0029 | 0.0027 | 0.0097 | 0.0037 | 0.005 | 0.0045 | 0.0079 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.0092 | 0.0073 | 0.0142 | 0.0373 | 0.0274 | 0.06 | < 0.005 | < 0.005 | 0.0064 | 0.1 |
Samples from 23 Sep 2015 to 26 May 2017
| Notation | Determinand | Units | 23 Sep 2015 12:56 | 7 Oct 2015 12:07 | 12 Nov 2015 12:42 | 9 Dec 2015 11:03 | 12 Jan 2016 11:00 | 27 Apr 2016 12:20 | 6 Jul 2016 12:43 | 26 Oct 2016 11:12 | 17 Mar 2017 10:23 | 26 May 2017 13:24 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | < 5 | < 5 | < 5 | 5.5 | < 5 | < 5 | 5.6 | 5.9 | 5.6 | < 5 |
| 0077 | Conductivity at 25 C | μs/cm | 147 | 145 | 159 | 153 | 157 | 160 | 151 | 157 | 157 | 163 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 61 | 37 | 45 | 43 | 44 | 44 | 41 | 44 | 44 | 44 |
| 0348 | Phosphorus, Total as P | mg/l | 0.028 | 0.0199 | 0.0402 | 0.0721 | 0.0334 | 0.0232 | 0.0247 | 0.0216 | 0.0281 | 0.0218 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 11 | 3.7 | 5.2 | 16.5 | 4.5 | 3.9 | 6.4 | 5 | 6.5 | 6.8 |
| 9686 | Nitrogen, Total as N | mg/l | 0.48 | 0.46 | 0.65 | 0.56 | 0.67 | 0.43 | 0.49 | 0.43 | 0.36 | 0.47 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0078 | 0.0042 | 0.0108 | 0.0185 | 0.0148 | 0.0022 | 0.0024 | 0.0022 | 0.0021 | 0.0041 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.0115 | < 0.005 | 0.125 | 0.0504 | 0.196 | < 0.005 | < 0.005 | < 0.005 | < 0.005 | 0.0286 |