sampling point
Stratford Brook Above Ockham Mill Stream

Description	STRATFORD BROOK ABOVE OCKHAM MILL STREAM
Sampling point ID	TH-PWER0319
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 505672 157810 lat lon: 51.3096, -0.485321
Area	West Thames
Sub-Area	L&W South Wt
Summary	86 samples taken between 2024 and 2010

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

4-nonPhenol
Alky pH 4.5
Ammonia(N)
BOD ATU
Cond @ 25C
DEHP
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Triclosan
pH
ptOctylPheno

Displaying the twenty most recent samples. You can see all 86 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 30 Sep 2016 to 5 Jun 2024

Notation	Determinand	Units	30 Sep 2016 09:42	3 Nov 2016 14:15	9 Dec 2016 12:59	3 Feb 2017 12:13	6 Mar 2017 13:16	7 May 2019 10:12	8 Jul 2019 12:42	9 Oct 2019 11:31	20 Jan 2020 12:46	5 Jun 2024 15:38
0061	pH		7.66	7.39	7.38	7.8	7.75	7.67	7.38	7.65	7.51	7.24
0076	Temperature of Water	°C	12.8	7.1	9.3	7	7.1	9.3	14.9	12.1	5.4	13.5
0077	Conductivity at 25 C	μs/cm	617	639	654	548	529	704	676	583	470	622
0085	BOD : 5 Day ATU	mg/l										3.1
0111	Ammoniacal Nitrogen as N	mg/l	0.066	< 0.03	0.052	< 0.03	< 0.03	0.07	0.095	0.045	0.036	0.063
0116	Nitrogen, Total Oxidised as N	mg/l	0.52	1.13	3.25	4.23	3.25	1.56	0.54	0.68	3.3	2.7
0117	Nitrate as N	mg/l	0.513	1.12	3.22	4.22	3.24	1.55	0.519	0.673	3.29	2.67
0118	Nitrite as N	mg/l	0.0066	0.0118	0.0293	0.013	0.0066	0.0083	0.021	0.0066	0.0072	0.031
0119	Ammonia un-ionised as N	mg/l	0.00068	< 0.00011	0.00022	< 0.00028	< 0.00025	0.00057	0.00061	0.00043	0.00015	0.00026
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	51	73	108	98	115	94	74	110	110	110
0180	Orthophosphate, reactive as P	mg/l	0.03	0.027	0.023	0.036	0.047	0.025	< 0.01	0.052	0.058	0.046
9901	Oxygen, Dissolved, % Saturation	%	62.2	68.2	73.5	90.1	97.6	90.5	99.6	81.4	95	81.7
9924	Oxygen, Dissolved as O2	mg/l	6.57	8.25	8.42	10.9	11.8	10.4	10	8.73	12	8.49

Samples from 17 Sep 2015 to 5 Aug 2016

Notation	Determinand	Units	17 Sep 2015 08:48	5 Oct 2015 09:29	2 Nov 2015 09:00	30 Nov 2015 08:00	8 Jan 2016 14:41	3 Mar 2016 13:41	20 Apr 2016 11:25	19 May 2016 16:06	19 Jul 2016 11:43	5 Aug 2016 10:37
0061	pH		7.59	7.04	7.63	7.8	7.78	7.66	7.73	7.54	7.54	7.5
0076	Temperature of Water	°C	12.5	10.9	9.8	9.5	7.6	6.7	10.6	12.8	17.2	14.9
0077	Conductivity at 25 C	μs/cm	450	654	622	720	656	576	583	642	630	543
0111	Ammoniacal Nitrogen as N	mg/l	0.045	0.053	0.035	0.04	0.063	< 0.03	< 0.03	0.089	0.043	0.088
0116	Nitrogen, Total Oxidised as N	mg/l	3.07	1.2	2.66	3.52	7.11	3.54	3.04	3.53	2.48	1.21
0117	Nitrate as N	mg/l	3.06	1.19	2.65	3.5	7.09	3.53	3.03	3.48	2.44	1.19
0118	Nitrite as N	mg/l	0.0117	0.0109	0.0127	0.0217	0.0229	0.0079	0.0078	0.0477	0.0369	0.0154
0119	Ammonia un-ionised as N	mg/l	0.00039	0.00012	0.00027	0.00045	0.00058	< 0.0002	< 0.00031	0.0007	0.00047	0.00074
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	107	72	136	128	113	118	121	142	137	99
0180	Orthophosphate, reactive as P	mg/l	0.077	0.015	0.03	0.024	0.064	0.035	0.02	0.05	0.066	0.09
9901	Oxygen, Dissolved, % Saturation	%	75.2	63.5	74.8	84.9	93.5	92.3	95.1	93.4	67.2	57.5
9924	Oxygen, Dissolved as O2	mg/l	7.99	7	8.47	9.68	11.2	11.3	10.6	9.86	6.45	5.8

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sampling point Stratford Brook Above Ockham Mill Stream

Determinands

Sampling results

Samples from 30 Sep 2016 to 5 Jun 2024

Samples from 17 Sep 2015 to 5 Aug 2016

sampling point
Stratford Brook Above Ockham Mill Stream