sampling point
R.Blackwater Blue Mills
| Description | R.BLACKWATER BLUE MILLS |
|---|---|
| Sampling point ID | AN-BL02 |
| Type | Freshwater – Rivers |
| Status | closed |
| Location |
easting northing: 583077 213202 lat lon: 51.787509, 0.652996 |
| Area | Essex Norfolk And Suffolk |
| Sub-Area | Essex Team Sub Area |
| Summary | 211 samples taken between 2014 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.
28 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- Cadmium - Cd
- Chloride Ion
- Chromium -Cr
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- GCMS S-Vol
- Lead - as Pb
- N Inorganic
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Temp Water
- TriBT Cation
- Turbidity
- TurbidityNTU
- Zinc - as Zn
- pH
- pH Inst unit
Sampling results
Displaying the twenty most recent samples. You can see all 211 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 16 Apr 2013 to 3 Feb 2014
| Notation | Determinand | Units | 16 Apr 2013 08:59 | 29 May 2013 09:01 | 3 Jul 2013 07:45 | 29 Jul 2013 09:38 | 5 Sep 2013 08:21 | 2 Oct 2013 08:38 | 5 Nov 2013 09:00 | 21 Nov 2013 09:04 | 2 Jan 2014 10:22 | 3 Feb 2014 13:44 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0077 | Conductivity at 25 C | μs/cm | 926 | 855 | 995 | 825 | 1032 | 1049 | 717 | 1001 | 673 | 661 |
| 0172 | Chloride | mg/l | 84.6 | 73.8 | 82.8 | 70.4 | 92.3 | 92.2 | 50.2 | 104 | 37.7 | 31.8 |
| 6396 | Turbidity | ntu | 2.3 | 5 | 1.6 | 1.7 | 1.4 | 1.4 | 36.5 | 17.1 | 105 | 37.4 |
Samples from 11 Jul 2012 to 8 Apr 2013
| Notation | Determinand | Units | 11 Jul 2012 08:34 | 10 Aug 2012 15:27 | 5 Sep 2012 08:46 | 3 Oct 2012 14:44 | 22 Oct 2012 08:18 | 15 Nov 2012 07:41 | 7 Jan 2013 08:00 | 28 Jan 2013 08:57 | 18 Feb 2013 12:06 | 8 Apr 2013 10:00 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.9 | 8.13 | 8.04 | 8.08 | 8.03 | 8.17 | |||||
| 0076 | Temperature of Water | °C | 15.7 | 18.7 | 15.4 | 13.3 | 12 | 8.7 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 776 | 906 | 1033 | 957 | 796 | 913 | 864 | 559 | 838 | 930 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.042 | < 0.03 | < 0.03 | < 0.03 | 0.039 | 0.065 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 6.83 | 8.28 | 10.1 | 9.25 | 11.2 | 9.14 | ||||
| 0117 | Nitrate as N | mg/l | 6.79 | 8.26 | 10.1 | 9.21 | 11.2 | 9.04 | ||||
| 0118 | Nitrite as N | mg/l | 0.0443 | 0.0198 | 0.0148 | 0.0373 | 0.0466 | 0.0956 | ||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00093 | < 0.00103 | < 0.00081 | < 0.0007 | 0.00082 | 0.00108 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 236 | 261 | 253 | 237 | 252 | 276 | ||||
| 0172 | Chloride | mg/l | 52.7 | 73.7 | 99.1 | 84.3 | 41.9 | 64.7 | 54.6 | 33.7 | 53.8 | 77.8 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.294 | 0.393 | 0.354 | 0.385 | 0.293 | 0.264 | ||||
| 6396 | Turbidity | ntu | 2.5 | 1.3 | 2.1 | 2.7 | 15 | 3.6 | 8.7 | 100 | 10.3 | 2.1 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 80.6 | 99.1 | 77.5 | 97 | 85.4 | 85.4 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 7.98 | 9.22 | 7.72 | 10.1 | 9.18 | 9.92 |