sampling point
Lower Slade Reservoir-Surface
| Description | LOWER SLADE RESERVOIR-SURFACE - ADDITIONAL HISTORIC DATA ON URN R31A015 |
|---|---|
| Sampling point ID | SW-73110382 |
| Type | Freshwater – Lakes/Ponds/Reservoirs |
| Status | open |
| Location |
easting northing: 250601 145755 lat lon: 51.191431, -4.13934 |
| Area | Devon And Cornwall |
| Sub-Area | East Devon And Cornwall |
| Summary | 254 samples taken between 2020 and 2000 |
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.
38 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- CHLOR A
- CHLOROPHYLL
- Ca Filtered
- Calcium - Ca
- Colour Filt
- Cond @ 20C
- Cond @ 25C
- Cu Filtered
- Hardness
- Hdnss Ca
- Hdnss Mg
- Magnesium-Mg
- Mg Filtered
- Mineral Oils
- N Oxid Filt
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- Nitrogen - N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Phenol Odour
- PhenolicOdor
- Phosphorus-P
- Phytoplankto
- Sld Sus@105C
- Temp Water
- Type of Flow
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 254 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 9 Aug 2019 to 20 Feb 2020
| Notation | Determinand | Units | 9 Aug 2019 08:55 | 24 Oct 2019 12:21 | 7 Nov 2019 12:18 | 14 Nov 2019 11:33 | 21 Nov 2019 10:45 | 26 Nov 2019 09:58 | 13 Dec 2019 11:01 | 23 Dec 2019 13:43 | 12 Feb 2020 09:04 | 20 Feb 2020 11:37 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 5.8 | 8.2 | 7.5 | 7.1 | 5.3 | 12 | < 5 | < 5 | 12 | < 5 |
| 0077 | Conductivity at 25 C | μs/cm | 308 | 117 | 177 | 147 | 178 | 182 | 179 | 173 | 182 | 182 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 42 | 37 | 37 | 37 | 36 | 38 | 36 | 34 | 38 | 37 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0275 | 0.023 | 0.0197 | 0.0273 | 0.0556 | 0.024 | < 0.01 | 0.029 | 0.02 | 0.024 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 38 | 6.5 | 5.9 | 6.1 | 5.3 | 4.9 | 14 | 12 | 38 | 5.6 |
| 9686 | Nitrogen, Total as N | mg/l | 1.17 | 2.1 | 2.28 | 2.27 | 2.26 | 2.2 | 2.1 | 2.2 | 2.3 | 2.3 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0034 | 0.013 | 0.0143 | 0.0139 | 0.0494 | 0.012 | 0.0093 | 0.0095 | < 0.001 | 0.01 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.252 | 1.8 | 1.89 | 1.92 | 2.01 | 2 | 2 | 2 | 2 | 2 |
Samples from 26 Sep 2018 to 17 Apr 2019
| Notation | Determinand | Units | 26 Sep 2018 11:46 | 28 Sep 2018 09:26 | 9 Oct 2018 10:38 | 31 Oct 2018 08:55 | 14 Nov 2018 09:10 | 22 Nov 2018 10:28 | 17 Jan 2019 09:32 | 28 Feb 2019 11:56 | 19 Mar 2019 11:25 | 17 Apr 2019 11:11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0072 | Colour, Filtered | hazen | 9.1 | 7.1 | 6.9 | 5.5 | < 5 | 5.9 | 11 | 5.1 | 5.3 | 5.3 |
| 0077 | Conductivity at 25 C | μs/cm | 298 | 205 | 206 | 203 | 211 | 203 | 193 | 193 | 102 | 130 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 48 | 47 | 50 | 49 | 41 | 43 | 35 | 34 | 37 | 36 |
| 0348 | Phosphorus, Total as P | mg/l | 0.0201 | 0.0209 | 0.0199 | 0.0255 | 0.0336 | 0.0303 | 0.0175 | 0.0158 | 0.0185 | 0.0235 |
| 7887 | Chlorophyll : Acetone Extract | μg/l | 12 | 16.5 | 21.2 | 32.6 | 37.1 | 30.8 | 16.3 | 19.9 | 29.3 | 9.3 |
| 9686 | Nitrogen, Total as N | mg/l | 1.06 | 1.11 | 1.4 | 1.68 | 1.92 | 2.03 | 2.82 | 3.01 | 2.81 | 2.71 |
| 9856 | Orthophosphate, Filtered as P | mg/l | 0.0026 | 0.0019 | 0.0014 | 0.0017 | 0.0012 | 0.0011 | < 0.001 | < 0.001 | 0.0011 | < 0.001 |
| 9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.554 | 0.643 | 0.963 | 1.13 | 1.36 | 1.49 | 2.54 | 2.44 | 2.48 | 2.31 |