sampling point
Sandford Brook At A415, Marcham

Description	SANDFORD BROOK AT A415, MARCHAM
Sampling point ID	TH-POCR0018
Type	Freshwater – Rivers
Status	open
Location	easting northing: 446600 196800 lat lon: 51.668045, -1.32758
Area	West Thames
Sub-Area	L&W North Wt
Summary	78 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.

35 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
Anions
B - Filtered
BOD ATU
C - Organic
CHLOR A
Ca Filtered
Cations
Chloride Ion
Cond @ 20C
Cond @ 25C
Fe- Filt
Fluoride - F
Hardness
IonicBalance
K- Filtered
Mg Filtered
Mn- Filtered
N Oxidised
NH3 un-ion
Na- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SI-G2
SI-GQA
Sulphate SO4
Temp Water
Type of Flow
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 78 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Aug 2023 to 18 Jul 2024

Notation	Determinand	Units	1 Aug 2023 12:06	1 Sep 2023 11:07	5 Oct 2023 11:41	6 Nov 2023 09:14	5 Dec 2023 11:11	10 Jan 2024 12:45	2 Feb 2024 12:35	1 Mar 2024 09:39	13 Jun 2024 10:41	18 Jul 2024 11:45
0061	pH		8.1	8.09	8.11	8.03	7.92	8.19	8.12	8.18	8.4	8.19
0076	Temperature of Water	°C	15.6	14.6	13.1	8.6	6.6	3.9	8.5	6.5	11.3	15.7
0077	Conductivity at 25 C	μs/cm	742	733	767	803	728	819	791	735	761	768
0085	BOD : 5 Day ATU	mg/l	< 3	1.1	1.3	< 1	2	1.3	1.3	1.4	1	< 3
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.052	< 0.03	0.04	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.5	3.5	3.5	3.9	3.4	5.6	5.3	4	4.5	3.7
0117	Nitrate as N	mg/l	3.5	3.5	3.5	3.89	3.39	5.58	5.29	3.98	4.49	3.69
0118	Nitrite as N	mg/l	0.0045	< 0.004	< 0.004	0.0066	0.0079	0.017	0.015	0.016	0.0051	0.0052
0119	Ammonia un-ionised as N	mg/l	< 0.00082	< 0.00077	< 0.00069	< 0.00049	< 0.00036	0.00061	< 0.00049	0.00056	< 0.0006	< 0.00083
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	290	290	310	330	300	330	320	300	310	310
0180	Orthophosphate, reactive as P	mg/l	0.018	0.017	< 0.01	< 0.01	0.028	0.018	0.012	0.026	0.014	0.014
9901	Oxygen, Dissolved, % Saturation	%	93.5	91.8	91.7	89.4	89.6	96.5	96.2	94.6	97.1	93.6
9924	Oxygen, Dissolved as O2	mg/l	9.28	9.31	9.62	10.4	11	12.7	11.2	11.6	10.6	9.27

Samples from 1 Apr 2016 to 9 Mar 2017

Notation	Determinand	Units	1 Apr 2016 11:23	23 Jun 2016 15:13	15 Jul 2016 10:03	22 Aug 2016 13:21	18 Oct 2016 16:04	18 Nov 2016 11:15	12 Dec 2016 13:00	10 Jan 2017 14:59	14 Feb 2017 14:07	9 Mar 2017 08:43
0061	pH		8.27	8.12	8.22	8.21	8.22	8.19	8.25	8.17	8.19	8.09
0076	Temperature of Water	°C	7.3	15.4	12.9	16.6	11.5	6.6	7.4	6.4	5.6	9.1
0077	Conductivity at 25 C	μs/cm	795	777	734	727	773	832	821	821	818	801
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.044	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.88	4.76	5.52	5.2	4.84	4.22	9.48	6.73	6.23	5.43
0117	Nitrate as N	mg/l	5.87	4.75	5.52	5.2	4.84	4.22	9.46	6.71	6.2	5.41
0118	Nitrite as N	mg/l	0.0137	0.0132	0.0048	< 0.004	< 0.004	< 0.004	0.0236	0.0211	0.0256	0.0209
0119	Ammonia un-ionised as N	mg/l	< 0.00045	< 0.00081	< 0.00068	< 0.00089	< 0.00061	< 0.00043	0.00066	< 0.00042	< 0.0004	< 0.00051
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	293	298	278	270	295	309	290	294	312	302
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.021	0.016	0.015	< 0.01	< 0.01	0.014	0.01	0.012	0.02
9901	Oxygen, Dissolved, % Saturation	%	105.2	90.6	94.3	94.9	82.3	87.3	87.5	91.3	94.4	94.8
9924	Oxygen, Dissolved as O2	mg/l	12.7	9.03	9.93	9.22	8.95	10.7	10.5	11.2	11.9	10.9

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sampling point Sandford Brook At A415, Marcham

Determinands

Sampling results

Samples from 1 Aug 2023 to 18 Jul 2024

Samples from 1 Apr 2016 to 9 Mar 2017

sampling point
Sandford Brook At A415, Marcham