sampling point
Jacob Stream At Treforda
| Description | JACOB STREAM AT TREFORDA |
|---|---|
| Sampling point ID | SW-82710680 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 220566 96559 lat lon: 50.740844, -4.544457 |
| Area | Devon And Cornwall |
| Sub-Area | Central Devon And Cornwall |
| Summary | 129 samples taken between 2019 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.
31 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Bac All
- Bac Ruminant
- BacHF183
- Bact All CN
- BactHumanCN
- BactRumnt CN
- ColformsPre
- Cond @ 25C
- E.coli C-MF
- F Coli Pre
- IE Pres
- MST Filter
- MST Report
- N Inorganic
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Prep: DNA
- Sld Sus@105C
- StrepF PMF
- Temp Water
- WethPresPrec
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 129 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 13 Jun 2016 to 12 Mar 2019
| Notation | Determinand | Units | 13 Jun 2016 10:30 | 20 Jul 2016 12:42 | 1 Sep 2016 10:59 | 28 Sep 2016 14:52 | 10 Nov 2016 14:38 | 9 Dec 2016 11:47 | 7 Feb 2017 09:55 | 28 Feb 2017 10:51 | 7 Mar 2017 12:30 | 12 Mar 2019 13:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.74 | 7.64 | 7.43 | 7.63 | 7.48 | 7.42 | 7.08 | 7.49 | 7.49 | ||
| 0076 | Temperature of Water | °C | 14.6 | 16.6 | 14.7 | 14.9 | 10.6 | 11.2 | 7.1 | 5.9 | 7.8 | |
| 0077 | Conductivity at 25 C | μs/cm | 290 | 260 | 281 | 278 | 217 | 238 | 223 | 206 | 224 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.035 | < 0.03 | < 0.03 | 0.034 | < 0.03 | 0.047 | 0.052 | 0.173 | 0.075 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.44 | 1.27 | 1.06 | 1.33 | 2.22 | 1.66 | 2.63 | 1.76 | 2.66 | |
| 0117 | Nitrate as N | mg/l | 1.41 | 1.25 | 1.05 | 1.32 | 2.21 | 1.65 | 2.62 | 1.74 | 2.64 | |
| 0118 | Nitrite as N | mg/l | 0.0262 | 0.0213 | 0.007 | 0.0068 | 0.0076 | 0.0123 | 0.0102 | 0.0188 | 0.016 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.0005 | < 0.00039 | < 0.00021 | 0.00038 | < 0.00017 | 0.00025 | 9.0e-05 | 0.00073 | 0.00036 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 58 | 54 | 61 | 55 | 46 | 41 | 35 | 38 | 34 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.123 | 0.086 | 0.115 | 0.064 | 0.029 | 0.031 | 0.026 | 0.068 | 0.024 | |
| 2348 | Escherichia coli : Confirmed : MF | no/100ml | 3300 | |||||||||
| 3722 | Enterococci: Intestinal: Presumptive: MF | cfu/0.1l | 4600 | |||||||||
| 3819 | Bacteroidetes Marker : Ruminant copy number | lgn/0.1l | 6.84 | |||||||||
| 3820 | Bacteroidetes Marker : Human copy number | lgn/0.1l | 5.18 | |||||||||
| 4876 | Microbial Source Tracking | text | 1 | |||||||||
| 4906 | Bacteroidetes Marker : Ruminant | 1 | ||||||||||
| 4926 | MST Filtration | 2 | ||||||||||
| 5886 | Bacteroides HF183 primer | 1 | ||||||||||
| 5923 | Preparation: DNA | 1 | ||||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 92.5 | 83 | 90 | 91 | 96.1 | 99.5 | 98 | 99.9 | 99.8 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.38 | 8.07 | 9.11 | 9.17 | 10.7 | 10.9 | 11.8 | 12.5 | 11.9 |