sampling point
Gammaton Reservoir (Surface)
Description | GAMMATON STREAM AT GAMMATON RESERVOIR SURFACE |
---|---|
Sampling point ID | SW-72911179 |
Type | Freshwater – Lakes/Ponds/Reservoirs |
Status | open |
Location |
easting northing: 248329 125293 lat lon: 51.006969, -4.163226 |
Area | Devon And Cornwall |
Sub-Area | East Devon And Cornwall |
Summary | 256 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.
40 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
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- Nitrogen - N
- O Diss %sat
- Oil & Grs Vs
- Orthophospht
- OrthophsFilt
- Oxygen Diss
- Phenol Odour
- PhenolicOdor
- Phosphorus-P
- Phytoplankto
- SALinsitu
- Sld Sus@105C
- Temp Water
- Type of Flow
- Zinc - as Zn
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 256 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 29 May 2019 to 26 Feb 2020
Notation | Determinand | Units | 29 May 2019 12:04 | 26 Jun 2019 11:38 | 30 Jul 2019 11:54 | 24 Oct 2019 10:51 | 31 Oct 2019 11:47 | 25 Nov 2019 11:11 | 29 Nov 2019 10:26 | 13 Dec 2019 11:00 | 22 Jan 2020 11:18 | 26 Feb 2020 14:15 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
0072 | Colour, Filtered | hazen | 5.8 | 5.8 | 6.4 | 7.3 | 10 | 13 | 14 | 11 | 12 | 11 |
0077 | Conductivity at 25 C | μs/cm | 239 | 243 | 247 | 202 | 244 | 247 | 132 | 238 | 210 | 235 |
0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 48 | 50 | 48 | 52 | 46 | 47 | 50 | 44 | 41 | 41 |
0348 | Phosphorus, Total as P | mg/l | 0.0149 | 0.014 | 0.015 | 0.026 | 0.026 | 0.016 | 0.021 | 0.012 | 0.013 | 0.015 |
7887 | Chlorophyll : Acetone Extract | μg/l | 9.7 | 7 | 12 | 15 | 13 | 7.8 | 11 | 8.4 | 8.6 | 9.5 |
9686 | Nitrogen, Total as N | mg/l | 3.47 | 2.6 | 1.9 | 2.7 | 3.3 | 4.6 | 4.4 | 4.3 | 4.7 | 4.4 |
9856 | Orthophosphate, Filtered as P | mg/l | 0.0032 | 0.0022 | 0.0035 | 0.003 | 0.0029 | 0.004 | 0.045 | 0.0018 | 0.0027 | 0.0019 |
9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 2.84 | 2.2 | 1.3 | 2.1 | 2.8 | 4.2 | 4 | 3.9 | 4.4 | 4.1 |
Samples from 9 Aug 2018 to 25 Apr 2019
Notation | Determinand | Units | 9 Aug 2018 12:26 | 20 Sep 2018 11:22 | 20 Sep 2018 15:35 | 16 Oct 2018 09:18 | 16 Nov 2018 08:43 | 13 Dec 2018 08:48 | 7 Jan 2019 11:59 | 7 Feb 2019 12:35 | 11 Mar 2019 09:12 | 25 Apr 2019 10:13 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
0072 | Colour, Filtered | hazen | 8.3 | 6.9 | 11 | 7.3 | 7.4 | 9.8 | 9.2 | 16 | 6.9 | 6.8 |
0077 | Conductivity at 25 C | μs/cm | 233 | 234 | 234 | 244 | 247 | 250 | 251 | 250 | 250 | 249 |
0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 48 | 57 | 47 | 63 | 62 | 52 | 44 | 41 | 43 | 45 |
0348 | Phosphorus, Total as P | mg/l | 0.019 | 0.0311 | 0.0367 | 0.0292 | 0.0225 | 0.0215 | 0.0173 | 0.0157 | 0.0275 | 0.105 |
7887 | Chlorophyll : Acetone Extract | μg/l | 16.5 | 27.7 | 27.2 | 33.7 | 2.4 | 6.9 | 6.2 | 6.9 | 26.2 | 16.8 |
9686 | Nitrogen, Total as N | mg/l | 0.95 | 0.69 | 0.74 | 0.93 | 1.97 | 3.85 | 5.14 | 4.91 | 5.41 | 4.75 |
9856 | Orthophosphate, Filtered as P | mg/l | 0.0027 | 0.0029 | 0.0053 | 0.0015 | 0.0037 | 0.0041 | 0.0042 | 0.0036 | 0.0062 | 0.0022 |
9943 | Nitrogen, Total Oxidised, Filtered as N | mg/l | 0.287 | 0.0273 | 0.0239 | 0.13 | 1.26 | 3.45 | 4.48 | 4.62 | 4.8 | 3.89 |