sampling point
Wandle At Watermeads, Mitcham
Description | WANDLE AT WATERMEADS, MITCHAM |
---|---|
Sampling point ID | TH-PWAR0067 |
Type | Freshwater – Unspecified |
Status | open |
Location |
easting northing: 527520 167600 lat lon: 51.393112, -0.168524 |
Area | Kent And South London |
Sub-Area | L&W South London Ksl |
Summary | 274 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.
92 determinands have been measured at this site
- 4-nonPhenol
- Action taken
- Alky pH 4.5
- Ammonia(N)
- AmoniaTotYSI
- BOD ATU
- C - Org Filt
- C Organic DW
- CHLOROPHYLL
- COD as O2
- Ca Filtered
- Cadmium - Cd
- Calcium - Ca
- Cd - Dry Wt
- Cd Filtered
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Cr- Filtered
- Cu Filtered
- DrySolids30C
- Fe- Filt
- GS Kurtosis
- GS Mean
- GS Median
- GSF 160-112
- GSF 11.4-9.1
- GSF 112-84
- GSF 125-249
- GSF 1k- 2k
- GSF 2000-500
- GSF 250-499
- GSF 261-160
- GSF 2k-4k
- GSF 39-30.3
- GSF 50.2-39
- GSF 500-999
- GSF 564-261
- GSF 62.5-124
- GSF 64-50
- GSF 7.2-5.8
- GSF 84-64
- GSF 9.1-7.2
- GSF <20
- GSF <2000um
- GSF <5.8 um
- GSF >2000um
- GSF >8000
- GSF14.5-11.4
- GSF18.5-14.5
- GSF23.7-18.5
- GSF30.3-23.7
- GSF4000-7999
- GraphSkewn
- Hardness
- Hg - Dry Wt
- Hg Filtered
- Magnesium-Mg
- Mean dia
- Median dia
- Mercury - Hg
- Mg Filtered
- Mn- Filtered
- N Oxidised
- NH3 un-ion
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- Pb Filtered
- SI-EC-CD
- SI-EC-HG
- SI-GQA
- Sample Prep
- SiO2 Rv
- Sieved < 63
- Sld Sus@105C
- Sld V @400C
- Sld V @480C
- Solids <63um
- Sort Coeff
- Temp Water
- TriBT Cation
- Triclosan
- TurbidityNTU
- Type of Flow
- Zn- Filtered
- pH
- pH in-situ
- ptOctylPheno
Sampling results
Displaying the twenty most recent samples. You can see all 274 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 12 Sep 2022 to 12 Jan 2024
Notation | Determinand | Units | 12 Sep 2022 14:40 | 27 Oct 2022 09:16 | 10 Nov 2022 09:35 | 14 Dec 2022 11:22 | 25 Jan 2023 11:03 | 10 Mar 2023 11:34 | 24 Apr 2023 10:29 | 27 Jul 2023 13:55 | 27 Oct 2023 11:09 | 12 Jan 2024 08:34 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
0061 | pH | 7.67 | 7.66 | 7.68 | 7.73 | 7.87 | 7.63 | 7.67 | 7.46 | 7.63 | 7.63 | |
0076 | Temperature of Water | °C | 22.3 | 16.5 | 13.7 | 9.4 | 9.3 | 10.5 | ||||
0077 | Conductivity at 25 C | μs/cm | 904 | 851 | 735 | 899 | 830 | 777 | ||||
0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | ||||||
0106 | Cadmium, Dissolved | μg/l | 0.017 | 0.011 | 0.014 | 0.02 | ||||||
0111 | Ammoniacal Nitrogen as N | mg/l | 0.1 | 0.1 | 0.14 | 0.097 | 0.1 | 0.077 | ||||
0116 | Nitrogen, Total Oxidised as N | mg/l | 25 | 19 | 27 | 20 | 17 | |||||
0117 | Nitrate as N | mg/l | 24.9 | 18.9 | 26.9 | 19.9 | 16.9 | |||||
0118 | Nitrite as N | mg/l | 0.081 | 0.12 | 0.11 | 0.069 | 0.083 | 0.11 | ||||
0119 | Ammonia un-ionised as N | mg/l | 0.00213 | 0.00136 | 0.00162 | 0.00092 | 0.00129 | 0.00063 | ||||
0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 140 | 130 | 140 | 140 | 190 | 130 | ||||
0180 | Orthophosphate, reactive as P | mg/l | 0.74 | 0.27 | 0.24 | 0.38 | 0.29 | 0.2 | ||||
0235 | Magnesium, Dissolved | mg/l | 4.8 | 3.6 | 5.5 | 5 | ||||||
0239 | Calcium, Dissolved | mg/l | 93 | 79 | 98 | 110 | ||||||
0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 4.3 | 4 | 5 | 3.9 | ||||||
6396 | Turbidity | ntu | 2.2 | 3.3 | 7.3 | |||||||
9901 | Oxygen, Dissolved, % Saturation | % | 86.3 | 79 | 82.9 | 91.7 | 93.2 | 91.1 | ||||
9924 | Oxygen, Dissolved as O2 | mg/l | 7.49 | 7.7 | 8.58 | 10.5 | 10.7 | 10.1 |