sampling point
Ravenstone Bk.D/S Stoke Goldington Stw
| Description | RAVENSTONE BK.D/S STOKE GOLDINGTON STW |
|---|---|
| Sampling point ID | AN-11M31 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 484987 248519 lat lon: 52.128446, -0.759899 |
| Area | Cambridgeshire And Bedfordshire |
| Sub-Area | Brampton Team Sub Area |
| Summary | 28 samples taken between 2017 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.
12 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Temp Water
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 28 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 16 Dec 2014 to 21 Mar 2017
| Notation | Determinand | Units | 16 Dec 2014 11:46 | 23 Jan 2015 13:03 | 22 Apr 2015 10:16 | 2 Sep 2015 15:38 | 2 Oct 2015 14:26 | 8 Feb 2016 11:10 | 12 May 2016 10:57 | 31 Aug 2016 12:52 | 9 Nov 2016 13:58 | 21 Mar 2017 12:15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 8.12 | 8.11 | 7.94 | 7.98 | 7.83 | 8.12 | 8.02 | 7.76 | 7.88 | 8.25 | |
| 0076 | Temperature of Water | °C | 5.4 | 4 | 8.7 | 14.7 | 12.8 | 7 | 13.1 | 15.6 | 6.2 | 7.3 |
| 0077 | Conductivity at 25 C | μs/cm | 840 | 918 | 880 | 996 | 483 | 871 | 956 | 900 | 799 | |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.121 | 0.208 | 0.691 | 0.438 | 0.044 | 0.136 | 0.182 | 0.703 | 0.143 | |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 10.2 | 9.51 | 6.53 | 8.1 | 6.67 | 7.74 | 9.55 | 4.25 | 9.71 | |
| 0117 | Nitrate as N | mg/l | 10.2 | 9.44 | 6.37 | 7.85 | 6.66 | 7.67 | 9.39 | 4.17 | 9.67 | |
| 0118 | Nitrite as N | mg/l | 0.0159 | 0.0716 | 0.159 | 0.25 | 0.0087 | 0.0746 | 0.159 | 0.0771 | 0.0351 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00142 | 0.00301 | 0.017 | 0.00668 | 0.00064 | 0.00311 | 0.00291 | 0.00738 | 0.00214 | |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 275 | 270 | 240 | 238 | 167 | 280 | 247 | 234 | 245 | |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.125 | 0.613 | 0.706 | 1.6 | 0.062 | 0.308 | 1.57 | 0.446 | 0.08 | |
| 9901 | Oxygen, Dissolved, % Saturation | % | 98 | 102 | 80.8 | 57.4 | 88.6 | 97.3 | 63.7 | 83.9 | 103.8 | |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 12.8 | 11.9 | 8.18 | 6.06 | 10.7 | 10.2 | 6.32 | 10.4 | 12.5 |
Samples from 20 Sep 2013 to 24 Nov 2014
| Notation | Determinand | Units | 20 Sep 2013 09:57 | 31 Oct 2013 11:14 | 13 Nov 2013 14:48 | 21 Nov 2013 14:06 | 7 Jan 2014 11:41 | 7 Feb 2014 13:56 | 31 Mar 2014 15:26 | 4 Jun 2014 13:15 | 3 Sep 2014 12:33 | 24 Nov 2014 12:50 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.96 | 8.01 | 8 | 8.1 | 7.97 | 7.95 | 8.07 | 8.11 | 7.84 | 8.05 | |
| 0076 | Temperature of Water | °C | 11.9 | 10.9 | 8 | 6.6 | 7 | 6.3 | 11.4 | 12.3 | 15 | 8 |
| 0077 | Conductivity at 25 C | μs/cm | 978 | 976 | 828 | 946 | 407 | 372 | 839 | 822 | 972 | 692 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.182 | 0.17 | 0.189 | 0.382 | < 0.03 | 0.285 | 0.383 | 0.238 | ||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 7.16 | 16.8 | 19.1 | 11 | 6.75 | 9.01 | 7.3 | 8.8 | ||
| 0117 | Nitrate as N | mg/l | 7.06 | 16.7 | 19.1 | 11 | 6.74 | 8.97 | 7.25 | 8.64 | ||
| 0118 | Nitrite as N | mg/l | 0.103 | 0.104 | 0.0363 | 0.048 | 0.007 | 0.0384 | 0.0543 | 0.158 | ||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00349 | 0.00331 | 0.00298 | 0.00543 | < 0.00041 | 0.00576 | 0.00827 | 0.00436 | ||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 251 | 249 | 221 | 260 | 135 | 268 | 273 | 256 | ||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.597 | 0.426 | 0.125 | 0.21 | 0.062 | 0.177 | 0.121 | 1.05 | ||
| 9901 | Oxygen, Dissolved, % Saturation | % | 79.4 | 80.6 | 89.3 | 91.3 | 84 | 97 | 119 | 88.3 | 72 | 92 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.56 | 8.89 | 10.6 | 11.2 | 10.2 | 12 | 13 | 9.43 | 7.24 | 10.9 |