We would welcome your feedback to help us make future improvements.

sampling point
Bow Brook At Bow Bridge, Sherfield On Lo

Description BOW BROOK AT BOW BRIDGE, SHERFIELD ON LODDON
Sampling point ID TH-PLDR0055
Type Freshwater – Rivers
Status open
Location easting northing: 467690 158360
lat lon: 51.320323, -1.03003
Area West Thames
Sub-Area L&W South Wt
Summary 185 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.

30 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • AmoniaTotYSI
  • BOD ATU
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • SI-EC-F
  • SI-GQA
  • Sld Sus@105C
  • Temp Water
  • Type of Flow
  • Zinc - as Zn
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 185 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 3 Sep 2015 to 1 Aug 2024

NotationDeterminandUnits 3 Sep
2015
16:08
2 Dec
2015
13:10
11 Jan
2016
11:45
6 Apr
2016
12:35
21 Jul
2016
11:18
27 Oct
2016
15:15
2 Feb
2017
11:03
13 Jun
2024
08:47
8 Jul
2024
09:13
1 Aug
2024
13:34
0061pH7.948.038.128.48.097.957.778.017.947.84
0076Temperature of Water°C13.310.56.49.818.4117.712.814.621
0077Conductivity at 25 Cμs/cm658562246557653674459561507494
0085BOD : 5 Day ATUmg/l1.92.4< 6
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.048< 0.030.034< 0.030.052< 0.03< 0.030.036
0116Nitrogen, Total Oxidised as Nmg/l7.667.172.985.67.438.596.287.55.44.8
0117Nitrate as Nmg/l7.647.152.975.597.418.576.267.485.384.78
0118Nitrite as Nmg/l0.01720.02090.00970.0130.02160.02440.01790.0240.020.017
0119Ammonia un-ionised as Nmg/l< 0.00061< 0.000570.00067< 0.000540.00114< 0.000530.00047< 0.00067< 0.000670.00102
0162Alkalinity to pH 4.5 as CaCO3mg/l22318877192236238131190170170
0180Orthophosphate, reactive as Pmg/l0.4550.1770.1110.0960.230.2950.150.0430.0570.09
9901Oxygen, Dissolved, % Saturation%69.191.593.5112.263.978.291.287.48380
9924Oxygen, Dissolved as O2mg/l7.2110.211.512.75.988.6110.99.238.427.12

Samples from 19 Sep 2013 to 5 Jun 2015

NotationDeterminandUnits19 Sep
2013
10:38
1 Oct
2013
13:36
1 Nov
2013
13:23
19 Nov
2013
10:43
5 Feb
2014
13:53
12 May
2014
14:01
12 Aug
2014
10:28
17 Nov
2014
16:16
18 Mar
2015
11:03
5 Jun
2015
11:59
0061pH8.047.927.827.97.888.027.747.698.267.9
0076Temperature of Water°C12.313.711.76.76.412.41510.17.914.9
0077Conductivity at 25 Cμs/cm695235576591433608550
0111Ammoniacal Nitrogen as Nmg/l0.045< 0.030.0520.0630.0620.031< 0.030.07< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l7.421.976.857.125.687.267.21
0117Nitrate as Nmg/l7.391.966.837.15.667.257.17
0118Nitrite as Nmg/l0.02690.02550.03480.02330.0070.02170.01650.02010.01150.0379
0119Ammonia un-ionised as Nmg/l0.00097< 0.00060.000710.000720.000660.00067< 0.000440.00064< 0.00047< 0.00062
0135Solids, Suspended at 105 Cmg/l17.218.823.86.68
0162Alkalinity to pH 4.5 as CaCO3mg/l24276203197145208245
0180Orthophosphate, reactive as Pmg/l0.3610.1120.130.2190.140.1250.301
0664Visible oil or grease, significant trace: Present/Not found (1/0)pres/nf0000
6450Copper, Dissolvedμg/l2.111.582.31.76
6455Zincμg/l6.313.317.2< 5
6841Phenolic Odourpres/nf0000
9901Oxygen, Dissolved, % Saturation%79.168.56675.692.189.372.675.394.683.6
9924Oxygen, Dissolved as O2mg/l8.457.097.159.2311.39.517.38.4611.28.43