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	183 samples taken between 2024 and 2000

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

Displaying the twenty most recent samples. You can see all 183 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 18 Mar 2015 to 13 Jun 2024

Notation	Determinand	Units	18 Mar 2015 11:03	5 Jun 2015 11:59	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
0061	pH		8.26	7.9	7.94	8.03	8.12	8.4	8.09	7.95	7.77	8.01
0076	Temperature of Water	°C	7.9	14.9	13.3	10.5	6.4	9.8	18.4	11	7.7	12.8
0077	Conductivity at 25 C	μs/cm	608	550	658	562	246	557	653	674	459	561
0085	BOD : 5 Day ATU	mg/l										1.9
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.048	< 0.03	0.034	< 0.03	0.052	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	7.26	7.21	7.66	7.17	2.98	5.6	7.43	8.59	6.28	7.5
0117	Nitrate as N	mg/l	7.25	7.17	7.64	7.15	2.97	5.59	7.41	8.57	6.26	7.48
0118	Nitrite as N	mg/l	0.0115	0.0379	0.0172	0.0209	0.0097	0.013	0.0216	0.0244	0.0179	0.024
0119	Ammonia un-ionised as N	mg/l	< 0.00047	< 0.00062	< 0.00061	< 0.00057	0.00067	< 0.00054	0.00114	< 0.00053	0.00047	< 0.00067
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	208	245	223	188	77	192	236	238	131	190
0180	Orthophosphate, reactive as P	mg/l	0.125	0.301	0.455	0.177	0.111	0.096	0.23	0.295	0.15	0.043
9901	Oxygen, Dissolved, % Saturation	%	94.6	83.6	69.1	91.5	93.5	112.2	63.9	78.2	91.2	87.4
9924	Oxygen, Dissolved as O2	mg/l	11.2	8.43	7.21	10.2	11.5	12.7	5.98	8.61	10.9	9.23

Samples from 1 Jul 2013 to 17 Nov 2014

Notation	Determinand	Units	1 Jul 2013 13:06	31 Jul 2013 14:34	19 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
0061	pH		8.06	8	8.04	7.92	7.82	7.9	7.88	8.02	7.74	7.69
0076	Temperature of Water	°C	16.9	18.2	12.3	13.7	11.7	6.7	6.4	12.4	15	10.1
0077	Conductivity at 25 C	μs/cm	653			695			235	576	591	433
0111	Ammoniacal Nitrogen as N	mg/l	0.047	< 0.03	0.045	< 0.03	0.052	0.063	0.062	0.031	< 0.03	0.07
0116	Nitrogen, Total Oxidised as N	mg/l	8.01			7.42			1.97	6.85	7.12	5.68
0117	Nitrate as N	mg/l	7.95			7.39			1.96	6.83	7.1	5.66
0118	Nitrite as N	mg/l	0.0581	0.0191	0.0269	0.0255	0.0348	0.0233	0.007	0.0217	0.0165	0.0201
0119	Ammonia un-ionised as N	mg/l	0.00142	< 0.00099	0.00097	< 0.0006	0.00071	0.00072	0.00066	0.00067	< 0.00044	0.00064
0135	Solids, Suspended at 105 C	mg/l	28.2	29.8	17.2	18.8	23.8	6.68
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	242			242			76	203	197	145
0180	Orthophosphate, reactive as P	mg/l	0.247			0.361			0.112	0.13	0.219	0.14
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	1.23	1.62	2.11	1.58	2.3	1.76
6455	Zinc	μg/l	6.96	9.52	6.3	13.3	17.2	< 5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	69.5	70.4	79.1	68.5	66	75.6	92.1	89.3	72.6	75.3
9924	Oxygen, Dissolved as O2	mg/l	6.71	6.62	8.45	7.09	7.15	9.23	11.3	9.51	7.3	8.46

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sampling point Bow Brook At Bow Bridge, Sherfield On Lo

Determinands

Sampling results

Samples from 18 Mar 2015 to 13 Jun 2024

Samples from 1 Jul 2013 to 17 Nov 2014

sampling point
Bow Brook At Bow Bridge, Sherfield On Lo