sampling point
Silchester Brook Below Silchester Stw
| Description | SILCHESTER BROOK BELOW SILCHESTER STW |
|---|---|
| Sampling point ID | TH-PKER0083 |
| Type | Freshwater – Unspecified |
| Status | open |
| Location |
easting northing: 462412 160717 lat lon: 51.342117, -1.105347 |
| Area | West Thames |
| Sub-Area | L&W South Wt |
| Summary | 187 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.
136 determinands have been measured at this site
- 1,1,1-TCA
- 112TCEthan
- 2,4-D
- 2,4-D be
- 2,4-D bge
- 2,4-D ioe
- 2,4-D m e
- 2-CHLORO-4-N
- 2-CHLORO-6-N
- 24Dichloropl
- 2Chlorophenl
- 4-nonPhenol
- 4Cl2Ntoluene
- 4Cl3MePhenol
- 4Cl3NToluene
- Action taken
- Alky pH 4.5
- Ammonia(N)
- Arsenic - As
- As-Filtered
- Atrazine
- Azinphos Myl
- B-[a]-pyrene
- B-[b]-fluora
- B-[ghi]-pery
- B-[k]-fluora
- BOD ATU
- Bentazone
- Benzene
- Biphenyl
- Boron - as B
- C - Org Filt
- C - Organic
- C Organic DW
- CHLOR A
- CHLOROPHYLL
- Cadmium - Cd
- Calcium - Ca
- Cd - Dry Wt
- Cd Filtered
- Chloride Ion
- Chlorophyl-A
- Chromium -Cr
- Cond @ 25C
- Copper - Cu
- Cr- Filtered
- Cu Filtered
- Cyanide - CN
- Cyfluthrin
- DEHP
- DemetonSMyl
- Dichlorvos
- Dimethoate
- DrySolids30C
- EndosulphanA
- EndosulphanB
- Fe- Filt
- Fenitrothion
- Flucofuron
- GS Kurtosis
- GS Mean
- GS Median
- GSF 125-249
- GSF 1k- 2k
- GSF 250-499
- GSF 2k-4k
- GSF 500-999
- GSF 62.5-124
- GSF <20
- GSF >8000
- GSF4000-7999
- GraphSkewn
- Hardness
- Hg - Dry Wt
- Hg Filtered
- Ind123pyrene
- Iron - as Fe
- Lead - as Pb
- Linuron
- Magnesium-Mg
- Malathion
- Mecoprop
- Mercury - Hg
- Mevinphos
- N Oxidised
- NATGRIDREF
- NH3 un-ion
- Naphthalene
- Ni- Filtered
- Nickel - Ni
- Nitrate-N
- Nitrite-N
- O Diss %sat
- Orthophospht
- Oxygen Diss
- PBDE 100
- PBDE 153
- PBDE 154
- PBDE 28
- PBDE 47
- PBDE 99
- PCSDs
- Pb Filtered
- Permethrn-Tr
- Permethrn-cs
- Phosphorus-P
- SALinsitu
- SI-GQA
- SI-LIST2
- Sample Prep
- Sieved < 63
- Simazine
- Sld NV@500C
- Sld Sus@105C
- Sld Sus@500C
- Sld V @400C
- Sld V @480C
- Solids <63um
- Sort Coeff
- SulcofuronNa
- Temp Water
- Toluene
- TriBT Cation
- TriPT Cation
- Triazophos
- Trifluralin
- TurbidityNTU
- Type of Flow
- Vanadium - V
- Zinc - as Zn
- Zn- Filtered
- m-p-Xylene
- o-Xylene
- pH
- pH in-situ
- ptOctylPheno
Sampling results
Displaying the twenty most recent samples. You can see all 187 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).
Samples from 21 Sep 2016 to 23 Mar 2020
| Notation | Determinand | Units | 21 Sep 2016 14:46 | 2 Dec 2016 11:55 | 10 Jan 2017 09:40 | 4 Apr 2017 12:08 | 20 May 2019 13:03 | 22 Aug 2019 12:51 | 9 Sep 2019 12:56 | 7 Nov 2019 14:28 | 30 Jan 2020 11:31 | 23 Mar 2020 12:22 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.63 | 7.7 | 7.57 | 7.5 | 8.56 | 7.79 | 7.66 | 7.21 | 7.75 | 7.6 | |
| 0076 | Temperature of Water | °C | 17.6 | 8.2 | 7.7 | 12.2 | 14.8 | 17.6 | 15.5 | 10.1 | 9 | 8.8 |
| 0077 | Conductivity at 25 C | μs/cm | 987 | 825 | 652 | 851 | 932 | 1003 | 1036 | 334 | 522 | 611 |
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.183 | 0.165 | 0.111 | 0.095 | 0.195 | 0.046 | 0.048 | 0.463 | 2.2 | 0.64 |
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 19.2 | 16.2 | 11 | 16.8 | 16.9 | 21 | 22 | 4.83 | 3.4 | 10 |
| 0117 | Nitrate as N | mg/l | 19.1 | 16.1 | 10.9 | 16.7 | 16.7 | 21 | 22 | 4.77 | 3.24 | 9.83 |
| 0118 | Nitrite as N | mg/l | 0.114 | 0.15 | 0.122 | 0.104 | 0.173 | 0.034 | 0.042 | 0.0588 | 0.16 | 0.17 |
| 0119 | Ammonia un-ionised as N | mg/l | 0.00252 | 0.00133 | 0.00064 | 0.00065 | 0.00505 | 0.00091 | 0.00061 | 0.0014 | 0.0211 | 0.0043 |
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 136 | 130 | 99 | 125 | 146 | 130 | 150 | 76 | 110 | 96 |
| 0180 | Orthophosphate, reactive as P | mg/l | 0.692 | 0.462 | 0.395 | 0.435 | 0.638 | 0.75 | 0.6 | 0.219 | 0.48 | 0.2 |
| 9901 | Oxygen, Dissolved, % Saturation | % | 60.7 | 79.6 | 84.3 | 76.4 | 77.9 | 61.1 | 54.1 | 78 | 67.9 | 67.2 |
| 9924 | Oxygen, Dissolved as O2 | mg/l | 5.78 | 9.37 | 10 | 8.18 | 7.87 | 5.82 | 5.38 | 8.77 | 7.84 | 7.79 |
Samples from 23 Apr 2015 to 21 Jun 2016
| Notation | Determinand | Units | 23 Apr 2015 13:24 | 8 May 2015 12:49 | 5 Jun 2015 12:31 | 28 Jul 2015 12:06 | 14 Aug 2015 10:40 | 14 Sep 2015 15:26 | 14 Oct 2015 10:07 | 4 Nov 2015 12:44 | 10 Mar 2016 12:16 | 21 Jun 2016 09:49 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0061 | pH | 7.84 | 7.48 | 7.55 | 7.61 | 7.76 | ||||||
| 0076 | Temperature of Water | °C | 12.8 | 17.3 | 13.7 | 7.3 | 16 | |||||
| 0077 | Conductivity at 25 C | μs/cm | 825 | 598 | 767 | 473 | 735 | |||||
| 0111 | Ammoniacal Nitrogen as N | mg/l | 0.151 | 0.329 | 0.207 | 0.362 | 0.063 | |||||
| 0116 | Nitrogen, Total Oxidised as N | mg/l | 15.3 | 11.1 | 14.3 | 5.73 | 12.9 | |||||
| 0117 | Nitrate as N | mg/l | 15.1 | 10.9 | 14.1 | 5.61 | 12.8 | |||||
| 0118 | Nitrite as N | mg/l | 0.19 | 0.158 | 0.196 | 0.123 | 0.0609 | |||||
| 0119 | Ammonia un-ionised as N | mg/l | 0.00235 | 0.00315 | 0.00178 | 0.00223 | 0.00104 | |||||
| 0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 119 | 95 | 116 | 88 | 137 | |||||
| 0180 | Orthophosphate, reactive as P | mg/l | 1.09 | 0.543 | 0.572 | 0.268 | 1.36 | |||||
| 0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 6.14 | 6.56 | 6.09 | 5.55 | 5.77 | 5.21 | 5.05 | |||
| 9901 | Oxygen, Dissolved, % Saturation | % | 79.4 | 66.4 | 64.6 | 73.1 | 75.9 | |||||
| 9924 | Oxygen, Dissolved as O2 | mg/l | 8.38 | 6.36 | 6.69 | 8.8 | 7.47 |