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sampling point
Caker Stream Above Alton Stw

Description CAKER STREAM ABOVE ALTON STW
Sampling point ID TH-PWER0089
Type Freshwater – Rivers
Status open
Location easting northing: 472890 139610
lat lon: 51.151113, -0.959233
Area West Thames
Sub-Area L&W South Wt
Summary 251 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.

42 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
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Chloride Ion
  • Chlorophyl-A
  • Cond @ 20C
  • Cond @ 25C
  • Fluoranthene
  • Flutriafol
  • Ind123pyrene
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • PBDE 100
  • PBDE 153
  • PBDE 154
  • PBDE 28
  • PBDE 47
  • PBDE 99
  • Phosphorus-P
  • SI-GQA
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • TriBT Cation
  • Triclosan
  • Type of Flow
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 251 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Sep 2023 to 24 Jun 2024

NotationDeterminandUnits 8 Sep
2023
09:42
2 Oct
2023
13:44
1 Nov
2023
12:11
1 Dec
2023
12:53
22 Jan
2024
15:13
6 Feb
2024
11:19
11 Mar
2024
15:03
9 Apr
2024
12:10
23 May
2024
16:00
24 Jun
2024
14:28
0061pH7.727.687.617.827.958.017.848.078.068.8
0076Temperature of Water°C15.314.712.25.68.210.19.41014.515.3
0077Conductivity at 25 Cμs/cm693710334572534624606689
0085BOD : 5 Day ATUmg/l< 11.12.11.3< 1< 11.1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.030.061< 0.030.036< 0.03< 0.03< 0.030.044
0116Nitrogen, Total Oxidised as Nmg/l4.64.54.14.54.54.44.83.9
0117Nitrate as Nmg/l4.544.484.094.494.494.394.793.89
0118Nitrite as Nmg/l0.0640.0180.00740.0120.0110.0130.00820.015
0119Ammonia un-ionised as Nmg/l< 0.000430.00076< 0.000270.00032< 0.00043< 0.00055< 0.000360.00118
0162Alkalinity to pH 4.5 as CaCO3mg/l260270120230220250290
0180Orthophosphate, reactive as Pmg/l0.0410.0590.290.130.160.0920.054
0348Phosphorus, Total as Pmg/l0.063
9901Oxygen, Dissolved, % Saturation%79.781.788.894.395.4100.1102.4115.710996.5
9924Oxygen, Dissolved as O2mg/l7.968.279.511.811.211.311.71311.19.64

Samples from 19 Apr 2021 to 17 Aug 2023

NotationDeterminandUnits19 Apr
2021
08:40
18 May
2021
13:31
15 Jun
2021
15:34
6 Jul
2021
15:17
5 Aug
2021
10:07
15 May
2023
11:50
6 Jun
2023
18:48
6 Jul
2023
12:23
3 Aug
2023
13:53
17 Aug
2023
13:19
0061pH7.597.777.937.337.567.97.87.577.627.61
0076Temperature of Water°C7.612.916.816.113.3121513.915.115.6
0077Conductivity at 25 Cμs/cm684564710286684607675682655714
0085BOD : 5 Day ATUmg/l1.31.612.1< 11.21.2< 1< 11.1
0111Ammoniacal Nitrogen as Nmg/l< 0.030.150.0370.130.035< 0.030.0690.0520.0390.084
0116Nitrogen, Total Oxidised as Nmg/l4.49.84.62.54.23.53.84.53.74.3
0117Nitrate as Nmg/l4.399.764.582.484.193.483.774.493.694.29
0118Nitrite as Nmg/l0.0140.0430.020.0160.0110.0170.0270.0150.0140.013
0119Ammonia un-ionised as Nmg/l< 0.000180.002010.000950.000810.0003< 0.000510.001150.000480.000440.00095
0162Alkalinity to pH 4.5 as CaCO3mg/l270200270120250250280270260280
0180Orthophosphate, reactive as Pmg/l0.0260.150.0610.120.070.0760.0460.0580.0730.061
9901Oxygen, Dissolved, % Saturation%89.5102.797.693.276.4111.8101.185.886.486.5
9924Oxygen, Dissolved as O2mg/l10.710.89.459.167.981210.28.848.678.59