sampling point
D/S Rolvenden Layne Sw
| Description | DOWNSTREAM ROLVENDEN LAYNE SEWAGE TREATMENT WORKS ON TRIBUTARY OF HEXDEN CHANNEL |
|---|---|
| Sampling point ID | SO-E0001712 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 585273 129561 lat lon: 51.035536, 0.641128 |
| Area | Kent And South London |
| Sub-Area | L&W Kent And East Sussex Ksl |
| Summary | 172 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.
24 determinands have been measured at this site
- Alky pH 4.5
- Ammonia(N)
- BOD ATU
- COPA
- Calcium - Ca
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Copper - Cu
- Cu Filtered
- Hardness
- Magnesium-Mg
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Temp Water
- Zinc - as Zn
- Zn- Filtered
- pH
Sampling results
Displaying the twenty most recent samples. You can see all 172 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 21 Jun 2019 to 4 Mar 2020
| Notation | Determinand | Units | 21 Jun 2019 14:11 | 26 Jul 2019 09:56 | 23 Aug 2019 13:57 | 30 Sep 2019 12:15 | 23 Oct 2019 15:34 | 12 Nov 2019 14:07 | 3 Dec 2019 11:24 | 13 Jan 2020 13:11 | 11 Feb 2020 12:57 | 4 Mar 2020 10:38 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.4 | 7.38 | 7.26 | 7.66 | 7.85 | 7.56 | 7.56 | 7.72 | 7.75 | 7.77 | |
| 0076 | Temperature of Water | °C | 15.7 | 21.6 | 18.6 | 16 | 13 | 9 | 6.6 | 8.5 | 6.1 | 7.3 |
| 0077 | Conductivity at 25 C | μs/cm | 661 | 867 | 839 | 601 | 620 | 493 | 659 | 561 | 493 | 526 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.159 | 0.91 | 0.47 | 0.46 | 0.13 | 0.416 | 0.59 | 0.21 | 0.4 | 0.38 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 13.9 | 29 | 32 | 16 | 9.2 | 5.27 | 12 | 7.1 | 5.1 | 6.5 |
| 0117 | Nitrate as N | mg/l | 13.7 | 28.7 | 31.5 | 15.7 | 9.1 | 5.15 | 11.9 | 7.02 | 5.03 | 6.43 |
| 0118 | Nitrite as N | mg/l | 0.169 | 0.31 | 0.55 | 0.29 | 0.099 | 0.119 | 0.15 | 0.083 | 0.068 | 0.069 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00113 | 0.00953 | 0.003 | 0.00603 | 0.0021 | 0.00259 | 0.00307 | 0.00181 | 0.0031 | 0.00337 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 141 | 84 | 75 | 75 | 150 | 131 | 140 | 140 | 130 | 130 |
| 0180 | Orthophosphate, reactive as P | mg/l | 2.15 | 6.3 | 6.2 | 2.9 | 1.3 | 0.652 | 1.6 | 1.1 | 0.68 | 0.86 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 33.8 | 58.9 | 37.2 | 69.2 | 77.4 | 75.6 | 58.7 | 71.1 | 77.7 | 86.2 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 3.35 | 5.18 | 3.47 | 6.81 | 8.14 | 8.72 | 7.19 | 8.31 | 9.64 | 10.4 |
Samples from 19 Oct 2016 to 13 May 2019
| Notation | Determinand | Units | 19 Oct 2016 13:23 | 25 Nov 2016 12:38 | 8 Dec 2016 10:05 | 20 Jan 2017 09:49 | 14 Feb 2017 12:13 | 23 Mar 2017 11:43 | 26 Apr 2017 11:31 | 31 May 2017 11:17 | 25 Apr 2019 10:58 | 13 May 2019 10:28 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.66 | 7.22 | |||||||||
| 0076 | Temperature of Water | °C | 11.6 | 11.4 | ||||||||
| 0077 | Conductivity at 25 C | μs/cm | 877 | 813 | ||||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.324 | 0.155 | ||||||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 1.06 | 11.6 | 14.5 | 12.4 | 5.16 | 24.8 | 24.8 | 14.2 | 26.1 | |
| 0117 | Nitrate as N | mg/l | 1.06 | 10.9 | 14.3 | 12.2 | 5.08 | 24.4 | 24.3 | 14.1 | 25.9 | |
| 0118 | Nitrite as N | mg/l | < 0.004 | 0.653 | 0.218 | 0.154 | 0.077 | 0.434 | 0.488 | 0.149 | 0.249 | |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00307 | 0.00053 | ||||||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 205 | 88 | ||||||||
| 0180 | Orthophosphate, reactive as P | mg/l | 2.17 | 3.76 | ||||||||
| 7668 | No flow /No sample | 0 | ||||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 53.3 | 35.5 | ||||||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 5.78 | 3.87 |