sampling point
Mole At Royal Mills, Esher
| Description | MOLE AT ROYAL MILLS, ESHER |
|---|---|
| Sampling point ID | TH-PMLR0031 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 512980 165730 lat lon: 51.379383, -0.378007 |
| Area | Kent And South London |
| Sub-Area | L&W Thames And South London Ksl |
| Summary | 132 samples taken between 2024 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
- Action taken
- Alky pH 4.5
- Ammonia(N)
- AmoniaTotYSI
- BOD ATU
- CHLOR A
- CHLOROPHYLL
- Chloride Ion
- Cond @ 25C
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- SI-GQA
- Temp Water
- Type of Flow
- pH
- pH in-situ
Sampling results
Displaying the twenty most recent samples. You can see all 132 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 25 Feb 2010 to 19 Aug 2024
Samples from 1 May 2009 to 25 Jan 2010
| Notation | Determinand | Units | 1 May 2009 14:00 | 19 May 2009 14:20 | 24 Jun 2009 14:45 | 23 Jul 2009 13:55 | 20 Aug 2009 13:20 | 23 Sep 2009 15:25 | 23 Oct 2009 10:45 | 18 Nov 2009 15:15 | 3 Dec 2009 15:54 | 25 Jan 2010 14:36 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.96 | 7.72 | 7.94 | 7.87 | 7.82 | 7.71 | 7.85 | 7.73 | 7.57 | 7.62 | |
| 0076 | Temperature of Water | °C | 14.73 | 14.18 | 18.43 | 19.08 | 18.75 | 16.03 | 10.02 | 10.59 | 8.27 | 5.91 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | 0.05 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.03 | 0.106 | 0.273 | 0.081 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 9.99 | 6.33 | 10.7 | 8.92 | 11.3 | 14.4 | 12.2 | 5.67 | 4.15 | 4.13 |
| 0117 | Nitrate as N | mg/l | 9.91 | 6.3 | 10.7 | 8.91 | 11.3 | 14.4 | 12.2 | 5.63 | 4.1 | 4.07 |
| 0118 | Nitrite as N | mg/l | 0.0833 | 0.0341 | 0.0203 | 0.0114 | 0.021 | 0.0265 | 0.0169 | 0.038 | 0.0463 | 0.0604 |
| 0119 | Ammonia un-ionised as N | mg/l | < 0.00071 | 0.00066 | < 0.00088 | < 0.00079 | < 0.00069 | < 0.00044 | 0.00039 | 0.00109 | 0.00165 | 0.00046 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.392 | 0.367 | 0.412 | 0.383 | 0.357 | 0.471 | 0.393 | 0.209 | 0.205 | 0.134 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 103.9 | 90.6 | 102.9 | 99.9 | 98.9 | 82.7 | 81.5 | 91.5 | 90.3 | 109 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 10.5 | 9.28 | 9.63 | 9.23 | 9.2 | 8.14 | 9.18 | 10.2 | 10.6 | 13.6 |