sampling point
Country Drn/Occ.Br D/S Middleton Stw O/F
| Description | COUNTRY DRN/OCC.BR D/S MIDDLETON STW O/F |
|---|---|
| Sampling point ID | AN-58M15 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 567700 314100 lat lon: 52.698594, 0.480324 |
| Area | Cambridgeshire And Bedfordshire |
| Sub-Area | Ely Team Sub Area |
| Summary | 201 samples taken between 2017 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.
22 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- N Inorganic
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- O Diss% Satn
- O Dissolved
- Orthophospht
- Oxygen Diss
- Temp Water
- Turbidity
- TurbidityNTU
- pH
- pH Inst unit
Sampling results
Displaying the twenty most recent samples. You can see all 201 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 16 Aug 2016 to 9 May 2017
| Notation | Determinand | Units | 16 Aug 2016 08:14 | 7 Sep 2016 08:14 | 13 Oct 2016 12:11 | 1 Nov 2016 10:29 | 22 Nov 2016 09:47 | 16 Jan 2017 14:20 | 6 Feb 2017 12:00 | 6 Mar 2017 10:17 | 27 Apr 2017 10:48 | 9 May 2017 08:31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.84 | 7.65 | 8.11 | 7.88 | 8.14 | 7.92 | 8.24 | 8 | |||
| 0076 | Temperature of Water | °C | 15.3 | 16.8 | 9.8 | 8.2 | 5.1 | 6.8 | 8.6 | 9.7 | ||
| 0077 | Conductivity at 25 C | μs/cm | 667 | 644 | 647 | 575 | 691 | 722 | 616 | 667 | ||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | < 0.03 | 0.071 | 0.051 | 0.07 | < 0.03 | < 0.03 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 8.67 | 7.28 | 8.02 | 8.12 | 8.02 | 8.13 | 8.52 | 7.87 | 7.97 | 8.09 |
| 0117 | Nitrate as N | mg/l | 8.66 | 7.26 | 8 | 8.1 | 7.99 | 8.08 | 8.49 | 7.82 | 7.94 | 8.07 |
| 0118 | Nitrite as N | mg/l | 0.0142 | 0.0223 | 0.016 | 0.0175 | 0.034 | 0.0475 | 0.0291 | 0.0476 | 0.0305 | 0.0182 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00056 | < 0.00041 | < 0.00054 | 0.00086 | 0.00065 | 0.00084 | < 0.00049 | < 0.00054 | ||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 207 | 209 | 210 | 227 | 219 | 245 | 217 | 212 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.111 | 0.107 | 0.072 | 0.084 | 0.085 | 0.042 | 0.018 | 0.05 | ||
| 9901 | Oxygen, Dissolved, % Saturation | % | 59.9 | 45.6 | 78.3 | 81.7 | 107.9 | 101.1 | 101.3 | 74 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 5.99 | 4.41 | 8.86 | 9.61 | 13.7 | 12.3 | 11.8 | 8.4 |
Samples from 2 Nov 2015 to 19 Jul 2016
| Notation | Determinand | Units | 2 Nov 2015 12:51 | 30 Nov 2015 12:29 | 21 Dec 2015 12:14 | 19 Jan 2016 10:42 | 4 Feb 2016 11:08 | 14 Mar 2016 12:38 | 12 Apr 2016 13:15 | 10 May 2016 10:03 | 2 Jun 2016 12:20 | 19 Jul 2016 14:07 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.9 | 8.17 | 7.74 | 8.03 | 7.89 | 7.98 | 7.95 | 7.88 | |||
| 0076 | Temperature of Water | °C | 10.1 | 7.6 | 8.3 | 3.9 | 6.7 | 10.7 | 15.5 | 11.4 | ||
| 0077 | Conductivity at 25 C | μs/cm | 686 | 741 | 723 | 712 | 708 | 675 | 668 | 652 | ||
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | 0.064 | 0.059 | 0.059 | 0.043 | < 0.03 | < 0.03 | 0.054 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.59 | 7.79 | 7.85 | 7.68 | 8.48 | 8.01 | 7.37 | 7.04 | 6.77 | 7.9 |
| 0117 | Nitrate as N | mg/l | 7.58 | 7.72 | 7.74 | 7.65 | 8.46 | 7.98 | 7.35 | 7.01 | 6.74 | 7.87 |
| 0118 | Nitrite as N | mg/l | 0.0093 | 0.0746 | 0.112 | 0.034 | 0.0203 | 0.0289 | 0.0198 | 0.0292 | 0.0296 | 0.0264 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00044 | 0.00098 | 0.00053 | 0.00069 | 0.00048 | < 0.00055 | < 0.00073 | 0.00083 | ||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 219 | 238 | 227 | 246 | 235 | 210 | 216 | 218 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.071 | 0.077 | 0.062 | 0.034 | 0.048 | 0.063 | 0.041 | 0.061 | ||
| 9901 | Oxygen, Dissolved, % Saturation | % | 71.9 | 86.6 | 82.1 | 82.5 | 92.3 | 97.5 | 71.1 | 81 | ||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.08 | 10.3 | 9.64 | 10.8 | 11.3 | 10.8 | 7.07 | 8.83 |