sampling point
Gatwick Stream Above Pond 'E'
| Description | GATWICK STREAM ABOVE POND 'E' |
|---|---|
| Sampling point ID | TH-PMLR0012 |
| Type | Freshwater – Rivers |
| Status | open |
| Location |
easting northing: 528690 140290 lat lon: 51.14741, -0.161538 |
| Area | Kent And South London |
| Sub-Area | L&W South London Ksl |
| Summary | 221 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.
147 determinands have been measured at this site
- Action taken
- Alky pH 4.5
- Ammonia(N)
- AmoniaTotYSI
- B-[a]-pyrene
- B-[b]-fluora
- B-[ghi]-pery
- B-[k]-fluora
- BOD ATU
- C - Org Filt
- C Organic DW
- CHLOROPHYLL
- COD as O2
- Ca Filtered
- Cadmium - Cd
- Cd - Dry Wt
- Cd Filtered
- Chloride Ion
- Cond @ 20C
- Cond @ 25C
- Cr- Filtered
- Cu BLM Bio
- Cu Filtered
- DEHP
- DrySolids30C
- Fe- Filt
- Fluoranthene
- GS Kurtosis
- GS Kurtosis
- GS Mean
- GS Mean
- GS Median
- GSF 160-112
- GSF 8 -11.2
- GSF <0.98um
- GSF <1
- GSF 11.2 -16
- GSF 11.4-9.1
- GSF 112-84
- GSF 125-249
- GSF 1k- 2k
- GSF 2.0-2.8
- GSF 2.8 - 4
- GSF 2000-500
- GSF 250-499
- GSF 261-160
- GSF 2k-4k
- GSF 31.5-45
- GSF 39-30.3
- GSF 4 - 5.6
- GSF 45-63
- GSF 5.6 - 8
- 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 >63000
- GSF >8000
- GSF14.5-11.4
- GSF16-22.4
- GSF18.5-14.5
- GSF22.4-31.5
- GSF23.7-18.5
- GSF30.3-23.7
- GSF4000-7999
- GSF>1000
- GraphSkewn
- HBCDD
- Hg - Dry Wt
- Hg Filtered
- Ind123pyrene
- Mean dia
- Median dia
- Mercury - Hg
- Mg Filtered
- Mn BLM Bio
- Mn- Filtered
- N Oxidised
- NH3 un-ion
- NO FLOW/SAMP
- Ni BLM Bio
- Ni- Filtered
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- PBDE 100
- PBDE 153
- PBDE 154
- PBDE 28
- PBDE 47
- PBDE 99
- PFOS
- Pb BLM Bio
- Pb Filtered
- Psize Rpt
- 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
- TurbidityNTU
- Type of Flow
- Zn BLM Bio
- Zn- Filtered
- pFoctanoate
- pH
- pH in-situ
- phi -0.5-0.0
- phi 1.0-1.5
- phi 1.5-2.0
- phi 2.0-2.5
- phi 2.5-3.0
- phi 3.0-3.5
- phi 3.5-4.0
- phi 4.0-4.5
- phi 4.5-5.0
- phi 5.0-5.5
- phi 5.5-6.0
- phi 6.0-6.5
- phi 6.5-7.0
- phi 7.0-7.5
- phi 7.5-8.0
- phi 8.0-8.5
- phi 8.5-9.0
- phi 9.0-9.5
- phi 9.5-10.0
- phi-1.0--0.5
- phi0.0-0.5
- phi0.5-1.0
Sampling results
Displaying the twenty most recent samples. You can see all 221 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 19 Oct 2022 to 11 Jan 2024
| Notation | Determinand | Units | 19 Oct 2022 08:10 | 3 Nov 2022 13:12 | 7 Dec 2022 11:40 | 26 Jan 2023 09:13 | 23 Feb 2023 09:42 | 15 Mar 2023 10:18 | 26 Jul 2023 15:49 | 26 Jul 2023 15:56 | 13 Oct 2023 12:45 | 11 Jan 2024 14:52 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.08 | 7.14 | 6.88 | 7 | 7.05 | 7.59 | 7.01 | 7.01 | 7.1 | 7.04 | |
| 0076 | Temperature of Water | °C | 15.8 | 13.8 | 10.5 | 7.8 | 10.6 | 6.2 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 692 | 326 | 673 | 650 | 762 | 384 | ||||
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | ||||||
| 0106 | Cadmium, Dissolved | μg/l | 0.014 | 0.017 | 0.022 | 0.05 | ||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.047 | 1.4 | 0.051 | 0.055 | 0.052 | 0.048 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 24 | 5.2 | 24 | 17 | 25 | 1.7 | ||||
| 0117 | Nitrate as N | mg/l | 24 | 5.15 | 24 | 16.9 | 25 | 1.69 | ||||
| 0118 | Nitrite as N | mg/l | 0.026 | 0.048 | 0.028 | 0.15 | 0.031 | 0.015 | ||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00016 | 0.00475 | 7.0e-05 | 9.0e-05 | 0.00011 | 0.00026 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 58 | 67 | 44 | 58 | 61 | 77 | ||||
| 0180 | Orthophosphate, reactive as P | mg/l | 0.16 | 0.25 | 0.13 | 0.084 | 0.11 | 0.037 | ||||
| 0235 | Magnesium, Dissolved | mg/l | 5.4 | 5.3 | 3.6 | 4.1 | ||||||
| 0239 | Calcium, Dissolved | mg/l | 64 | 64 | 39 | 36 | ||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 8.4 | 8.5 | 6.2 | 4.7 | ||||||
| 6396 | Turbidity | ntu | 3.3 | 35 | ||||||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 80.5 | 77.6 | 97.5 | 94.8 | 97.6 | 94.6 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 7.96 | 8.01 | 10.9 | 11.3 | 10.8 | 11.7 |
Samples from 26 Apr 2019 to 14 Oct 2022
| Notation | Determinand | Units | 26 Apr 2019 11:16 | 25 Jul 2019 10:34 | 21 Oct 2019 09:36 | 6 Jan 2020 09:57 | 29 Apr 2022 08:49 | 26 May 2022 10:53 | 14 Jun 2022 10:48 | 5 Jul 2022 10:24 | 9 Aug 2022 13:30 | 14 Oct 2022 08:10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 6.98 | 7.26 | 6.99 | 7.22 | 7.05 | 7.09 | 7.33 | 6.88 | 7.29 | 7.01 | |
| 0076 | Temperature of Water | °C | 14.3 | 17.3 | 17.8 | 20 | 23 | 16.2 | ||||
| 0077 | Conductivity at 25 C | μs/cm | 873 | 809 | 1015 | 976 | 1079 | 672 | ||||
| 0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | ||||||
| 0106 | Cadmium, Dissolved | μg/l | 0.0306 | 0.018 | 0.022 | 0.036 | ||||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.13 | 0.098 | 0.63 | 0.14 | 0.14 | 0.046 | ||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 33 | 30 | 39 | 38 | 51 | 23 | ||||
| 0117 | Nitrate as N | mg/l | 32.9 | 30 | 38.9 | 37.9 | 50.9 | 23 | ||||
| 0118 | Nitrite as N | mg/l | 0.08 | 0.049 | 0.14 | 0.09 | 0.067 | 0.026 | ||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00037 | 0.00038 | 0.00445 | 0.00041 | 0.00132 | 0.00014 | ||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 79 | 85 | 75 | 54 | 63 | 54 | ||||
| 0180 | Orthophosphate, reactive as P | mg/l | 1.5 | 1.5 | 0.31 | 0.29 | 0.79 | 0.16 | ||||
| 0235 | Magnesium, Dissolved | mg/l | 5.61 | 5.9 | 4.7 | 4.8 | ||||||
| 0239 | Calcium, Dissolved | mg/l | 47 | 50 | 46 | 42 | ||||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 10 | 11 | 9 | 6.4 | ||||||
| 6396 | Turbidity | ntu | 3.5 | 3.9 | 2.6 | 2.9 | 2.1 | 3.7 | ||||
| 9901 | Oxygen, Dissolved, % Saturation | % | 89.5 | 79.4 | 89.9 | 91.4 | 86.6 | 75.7 | ||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 9.14 | 7.61 | 8.52 | 8.29 | 7.41 | 7.42 |