sampling point
Lenta Brook At Hinton Marsh Farm

Description	LENTA BROOK AT HINTON MARSH FARM
Sampling point ID	TH-PUTR0249
Type	Freshwater – Rivers
Status	open
Location	easting northing: 422500 185680 lat lon: 51.569541, -1.676754
Area	West Thames
Sub-Area	L&W North Wt
Summary	111 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.

20 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 20C
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SI-GQA
Survey No.
Temp Water
Type of Flow
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 111 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Mar 2015 to 25 Jun 2024

Notation	Determinand	Units	11 Mar 2015 11:28	10 Jun 2015 12:03	25 Sep 2015 10:14	9 Dec 2015 10:20	21 Jan 2016 11:11	5 Apr 2016 10:32	4 Nov 2016 12:26	10 Dec 2016 16:04	17 Feb 2017 09:10	25 Jun 2024 09:59
0061	pH		8.38	8.26	8.21	8.18	8.31	8.43	8.21	8.22	8.18	8.21
0076	Temperature of Water	°C	9	11.3	11.6	7.3	7.6	9.2	8.1	10.4	8.3	12.6
0077	Conductivity at 25 C	μs/cm	655	605	585	663	649	639	629	642	655	615
0085	BOD : 5 Day ATU	mg/l										< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.98	4.75	3.13	3.22	6.02	5.72	3.54	3.72	5.26	6.7
0117	Nitrate as N	mg/l	5.98	4.74	3.13	3.22	6.02	5.72	3.54	3.71	5.25	6.69
0118	Nitrite as N	mg/l	0.0041	0.0062	< 0.004	0.0048	0.0041	< 0.004	< 0.004	0.0107	0.0067	0.0094
0119	Ammonia un-ionised as N	mg/l	< 0.00051	< 0.0006	< 0.00062	< 0.00045	< 0.00046	< 0.00052	< 0.00048	< 0.00056	< 0.00048	< 0.00066
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	247	231	225	269	253	255	249	253	268	250
0180	Orthophosphate, reactive as P	mg/l	0.035	0.033	0.073	0.104	0.044	0.037	0.065	0.083	0.042	0.041
9901	Oxygen, Dissolved, % Saturation	%	89.8	83.4	82	86.8	93.3	97.5	97	85.6	95.5	99.9
9924	Oxygen, Dissolved as O2	mg/l	10.4	9.11	8.9	10.4	11.1	11.2	11.4	9.55	11.2	10.6

Samples from 23 Feb 2010 to 21 Nov 2014

Notation	Determinand	Units	23 Feb 2010 12:20	10 Mar 2010 12:10	9 Jan 2013 10:07	25 Apr 2013 14:31	22 Jul 2013 11:16	22 Oct 2013 12:24	17 Feb 2014 13:10	29 May 2014 11:03	27 Aug 2014 17:15	21 Nov 2014 11:12
0061	pH		8.13	8.3	8.19	8.34	8.16	8	8.04	8.04	8.31	8.17
0076	Temperature of Water	°C	6.3	7.34	9.6	12.9	19	14.8	9.3	11.6	12.9	8.1
0077	Conductivity at 25 C	μs/cm	356	609	652	600	601	820	640	634	610	689
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	7.32	6.37	6.96	6.33	4.78	24.6	7	4.68	4.86	6.34
0117	Nitrate as N	mg/l	7.32	6.37	6.96	6.32	4.77	24.6	7	4.67	4.86	6.33
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0041	0.0062	0.0099	0.0203	< 0.004	0.009	< 0.004	0.0068
0119	Ammonia un-ionised as N	mg/l	< 0.00042	< 0.00045	< 0.00053	< 0.00068	< 0.00105	< 0.00078	< 0.00052	< 0.00062	< 0.00068	< 0.00048
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	259	257	256	240	230	240	260	267	237	274
0180	Orthophosphate, reactive as P	mg/l	0.037	0.032	0.076	0.03	0.031	0.089	0.088	0.073	0.036	0.079
9901	Oxygen, Dissolved, % Saturation	%	96.6	99.1	90.5	96.5	82.9	72.4	94.6	91	79.1	88.4
9924	Oxygen, Dissolved as O2	mg/l	11.9	11.9	10.3	10.2	7.67	7.31	10.8	9.88	8.33	10.4

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sampling point Lenta Brook At Hinton Marsh Farm

Determinands

Sampling results

Samples from 11 Mar 2015 to 25 Jun 2024

Samples from 23 Feb 2010 to 21 Nov 2014

sampling point
Lenta Brook At Hinton Marsh Farm