sampling point
Ock At Mill Road, Marcham

Description	OCK AT MILL ROAD, MARCHAM
Sampling point ID	TH-POCR0016
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 445593 195513 lat lon: 51.656557, -1.342307
Area	West Thames
Sub-Area	L&W North Wt
Summary	193 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.

29 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
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 193 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Aug 2023 to 17 Jul 2024

Notation	Determinand	Units	1 Aug 2023 12:20	1 Sep 2023 13:42	5 Oct 2023 11:22	1 Nov 2023 09:55	5 Dec 2023 10:59	17 Jan 2024 08:48	2 Feb 2024 12:21	8 Mar 2024 09:26	25 Jun 2024 12:41	17 Jul 2024 12:57
0061	pH		7.88	7.89	7.96	7.73	7.71	8.06	7.98	8.06	7.93	7.99
0076	Temperature of Water	°C	15.7	15.1	13.4	11.7	6.6	3.9	7.8	6.6	17.6	15.7
0077	Conductivity at 25 C	μs/cm	780	799	806	723	581	759	757	741	763	675
0085	BOD : 5 Day ATU	mg/l	< 3	< 1	< 1	1	2	1.1	1.1	1.1	< 3	1.5
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.042	0.083	< 0.03	< 0.03	0.034
0116	Nitrogen, Total Oxidised as N	mg/l	3.5	3.8	4.1	6.2	4.9	7.1	6.6	5.5	4.5	4.8
0117	Nitrate as N	mg/l	3.49	3.79	4.09	6.18	4.88	7.07	6.57	5.48	4.49	4.77
0118	Nitrite as N	mg/l	0.013	0.0059	0.0052	0.019	0.018	0.029	0.026	0.02	0.015	0.028
0119	Ammonia un-ionised as N	mg/l	< 0.00063	< 0.00062	< 0.00064	< 0.00034	< 0.00022	0.00049	0.00123	< 0.00043	< 0.00081	0.00092
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	270	280	260	220	280	290	270	280	250
0180	Orthophosphate, reactive as P	mg/l	0.29	0.22	0.22	0.2	0.21	0.11	0.14	0.1	0.19	0.2
9901	Oxygen, Dissolved, % Saturation	%	86.3	85.3	80.9	80.5	79.2	89.4	92.6	91.4	87.4	85.8
9924	Oxygen, Dissolved as O2	mg/l	8.55	8.56	8.43	8.72	9.7	11.7	11	11.2	8.32	8.5

Samples from 27 Oct 2022 to 19 Jul 2023

Notation	Determinand	Units	27 Oct 2022 13:06	11 Nov 2022 08:06	2 Dec 2022 13:19	17 Jan 2023 10:05	6 Feb 2023 09:42	2 Mar 2023 09:08	5 May 2023 09:51	1 Jun 2023 13:12	3 Jul 2023 09:05	19 Jul 2023 12:10
0061	pH		7.82	7.87	8.16	7.99	8.11	8.12	8.11	8.07	7.93	7.92
0076	Temperature of Water	°C	14.1	11.8	6.5	1.7	4.4	5.5	12.5	13	14	15.7
0077	Conductivity at 25 C	μs/cm	925	883	874	631	799	803	775	769	766	769
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.031	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.6	13	8.7	8.3	7.6	6.6	5.6	4.9	3.5	4.8
0117	Nitrate as N	mg/l	5.57	13	8.69	8.28	7.57	6.59	5.59	4.89	3.48	4.79
0118	Nitrite as N	mg/l	0.029	0.024	0.012	0.021	0.032	0.0064	0.0073	0.0086	0.021	0.012
0119	Ammonia un-ionised as N	mg/l	< 0.00049	< 0.00047	< 0.00042	< 0.00029	< 0.00036	< 0.00039	< 0.00066	< 0.00068	0.00065	< 0.00069
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	230	240	260	200	270	280	270	270	270	250
0180	Orthophosphate, reactive as P	mg/l	0.28	0.21	0.16	0.17	0.19	0.16	0.15	0.28	0.39	0.3
9901	Oxygen, Dissolved, % Saturation	%	75.5	79	87.8	82.7	91	97	88.5	89.7	78.9	80.2
9924	Oxygen, Dissolved as O2	mg/l	7.74	8.53	10.8	11.5	11.8	12.2	9.41	9.43	8.11	7.95

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sampling point Ock At Mill Road, Marcham

Determinands

Sampling results

Samples from 1 Aug 2023 to 17 Jul 2024

Samples from 27 Oct 2022 to 19 Jul 2023

sampling point
Ock At Mill Road, Marcham