sampling point
Kennet At Marsh Benham

Description	KENNET AT MARSH BENHAM
Sampling point ID	TH-PKER0050
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 442300 167000 lat lon: 51.400456, -1.393322
Area	West Thames
Sub-Area	L&W South Wt
Summary	68 samples taken between 2024 and 2008

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.

18 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOROPHYLL
Chloride Ion
Cond @ 25C
N Oxidised
NATGRIDREF
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld Sus@105C
Temp Water
TurbidityNTU
pH

Displaying the twenty most recent samples. You can see all 68 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Jan 2024 to 13 Dec 2024

Notation	Determinand	Units	23 Jan 2024 10:37	6 Feb 2024 09:53	8 Mar 2024 13:27	26 Jun 2024 09:11	19 Jul 2024 08:47	22 Aug 2024 08:19	23 Sep 2024 09:32	15 Oct 2024 12:52	20 Nov 2024 12:14	13 Dec 2024 12:36
0061	pH		8.04	7.94	8.16	7.9	7.96	7.85	7.63	7.95	7.99	7.99
0076	Temperature of Water	°C	7.8	9.8	8.4	16.5	16.1	14.3	13.8	11	6.6	8.2
0077	Conductivity at 25 C	μs/cm	600	617	613	601	597	596	590	602	606	616
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	1.4	1.7	1.8	1.4	< 1	1.1	1.4	1.7
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.039	< 0.03	< 0.03	< 0.03	< 0.03	0.046	0.031	0.033	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.4	7.4	6.4	6.2	6	6	5.7	5.7	6.6	7
0117	Nitrate as N	mg/l	6.38	7.38	6.39	6.18	5.98	5.98	5.67	5.69	6.59	6.99
0118	Nitrite as N	mg/l	0.017	0.016	0.0095	0.024	0.022	0.017	0.029	0.015	0.012	0.013
0119	Ammonia un-ionised as N	mg/l	< 0.00047	0.00061	< 0.00049	< 0.0007	< 0.00078	< 0.00053	0.00048	0.00054	0.00046	< 0.00047
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	250	270	260	250	250	270	240	260	67	260
0180	Orthophosphate, reactive as P	mg/l			0.052	0.022	< 0.01	0.019	0.051	0.058	0.058	0.063
9901	Oxygen, Dissolved, % Saturation	%	93.6	92.6	108.1	83.4	87	81.1	81.5	91.7	93.8	97.4
9924	Oxygen, Dissolved as O2	mg/l	11.1	10.5	12.7	8.12	8.55	8.28	8.42	10.1	11.5	11.5

Samples from 11 Jan 2022 to 5 Dec 2023

Notation	Determinand	Units	11 Jan 2022 13:51	10 May 2023 11:41	9 Jun 2023 10:44	28 Jun 2023 12:42	14 Jul 2023 14:15	7 Aug 2023 14:07	1 Sep 2023 10:42	25 Oct 2023 10:17	15 Nov 2023 09:31	5 Dec 2023 08:51
0061	pH		8.07	8.14	8.04	7.94	7.97	8.07	7.85	7.94	7.88	7.88
0076	Temperature of Water	°C	8.6	13.2	15	16	14.9	15.3	14.3	10.7	9	7.6
0077	Conductivity at 25 C	μs/cm	600	577	599	601	592	571	590	585	584	582
0085	BOD : 5 Day ATU	mg/l						< 1	1.2	1.3	1.1	1.3
0111	Ammoniacal Nitrogen as N	mg/l	0.079	< 0.03	< 0.03	0.044	< 0.03	< 0.03	< 0.03	0.031	0.031	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.2	5.2	6.1	5.6	5.9	4.8	5.3	5.5	5.2	5.9
0117	Nitrate as N	mg/l	6.18	5.19	6.08	5.58	5.88	4.78	5.28	5.48	5.19	5.88
0118	Nitrite as N	mg/l	0.018	0.012	0.019	0.022	0.018	0.019	0.022	0.017	0.012	0.017
0119	Ammonia un-ionised as N	mg/l	0.0013	< 0.00069	< 0.00079	0.00109	< 0.00073	< 0.00081	< 0.00053	0.00052	0.0004	< 0.00035
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	260	240	260	260	250	240	250	250	250	250
0180	Orthophosphate, reactive as P	mg/l	0.052	< 0.01	< 0.01	0.017	0.017	0.022	0.017	0.073	0.1	0.09
9901	Oxygen, Dissolved, % Saturation	%	95.1	109.4	99.1	92.2	91	115	86.7	86.3	40.1	93.2
9924	Oxygen, Dissolved as O2	mg/l	11.1	11.4	9.97	9.08	9.17	11.5	8.85	9.56	4.63	11.1

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sampling point Kennet At Marsh Benham

Determinands

Sampling results

Samples from 23 Jan 2024 to 13 Dec 2024

Samples from 11 Jan 2022 to 5 Dec 2023

sampling point
Kennet At Marsh Benham