sampling point
Cut At Cannon Hill, Bray Wick

Description	CUT AT CANNON HILL, BRAY WICK
Sampling point ID	TH-PTHR0126
Type	Freshwater – Rivers
Status	open
Location	easting northing: 489530 179230 lat lon: 51.504917, -0.711439
Area	West Thames
Sub-Area	L&W South Wt
Summary	160 samples taken between 2021 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.

19 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
AmoniaTotYSI
BOD ATU
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SI-GQA
Temp Water
Type of Flow
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 160 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 9 Sep 2019 to 2 Aug 2021

Notation	Determinand	Units	9 Sep 2019 09:38	7 Oct 2019 13:18	8 Nov 2019 09:22	12 Dec 2019 09:16	7 Jan 2020 10:19	5 Feb 2020 09:25	11 May 2021 11:11	2 Jun 2021 10:43	19 Jul 2021 09:33	2 Aug 2021 11:25
0061	pH		7.87	7.71	7.69	7.75	7.67	7.64	7.68	7.45	7.78	7.68
0076	Temperature of Water	°C	13.8	14.4	7.8	6.7	8.5	6.9	12.4	16.4	19.4	17.2
0077	Conductivity at 25 C	μs/cm	1038	683	736	888	902	796	910	981	967	733
0085	BOD : 5 Day ATU	mg/l	2.2	2.5	2.24	2.7	2.2	2.3	3.5	2.6	< 6	2.2
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.081	0.147	0.17	0.25	0.1	0.15	0.051	0.047	0.045
0116	Nitrogen, Total Oxidised as N	mg/l	25	12	14	15	17	12	17	21	20	12
0117	Nitrate as N	mg/l	25	11.9	13.9	14.8	16.8	11.9	16.9	20.9	19.9	11.9
0118	Nitrite as N	mg/l	0.033	0.093	0.147	0.16	0.23	0.092	0.13	0.11	0.088	0.074
0119	Ammonia un-ionised as N	mg/l	< 0.00054	0.00106	0.00113	0.00138	0.00193	0.00064	0.00158	0.00043	0.00104	0.00067
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	140	110	124	150	180	180	160	160	160	140
0180	Orthophosphate, reactive as P	mg/l	1.3	0.66	0.357	0.3	0.26	0.23	0.45	0.43	0.46	0.36
9901	Oxygen, Dissolved, % Saturation	%	79.5	78.6	82.8	83.3	79	83.6	82.8	83.2	67.1	85
9924	Oxygen, Dissolved as O2	mg/l	8.21	8.01	9.84	10.2	9.23	10.2	8.82	8.12	6.16	8.16

Samples from 18 Mar 2016 to 21 Aug 2019

Notation	Determinand	Units	18 Mar 2016 15:00	16 Jun 2016 10:27	27 Sep 2016 10:03	1 Dec 2016 11:24	19 Jan 2017 12:37	23 Apr 2019 12:56	18 Jun 2019 10:04	4 Jul 2019 11:17	19 Jul 2019 08:59	21 Aug 2019 10:31
0061	pH		7.77	7.87	7.64	7.76	7.79	7.32	7.89	7.8	7.71	7.84
0076	Temperature of Water	°C	7.9	16	14.6	4.2	4.5	15.2	15.2	17.3	16.8	15.4
0077	Conductivity at 25 C	μs/cm	912	753	935	955	826	1093	903	1101	1104	973
0085	BOD : 5 Day ATU	mg/l						1.73	2.42	2.05	2.1	1.8
0111	Ammoniacal Nitrogen as N	mg/l	0.122	0.068	0.063	0.153	0.345	< 0.03	0.061	0.037	0.042	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	16.6	12.6	18.6	19.6	12.5	26.8	18.4	32	29	19
0117	Nitrate as N	mg/l	16.4	12.5	18.5	19.5	12.4	26.7	18.3	32	29	19
0118	Nitrite as N	mg/l	0.176	0.101	0.0871	0.134	0.1	0.101	0.0982	0.0457	0.046	0.024
0119	Ammonia un-ionised as N	mg/l	0.00113	0.00143	0.00071	0.00105	0.0026	< 0.00017	0.00127	0.00073	0.00065	< 0.00057
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	172	144	161	150	162	103	117	97	110	130
0180	Orthophosphate, reactive as P	mg/l	0.447	0.39	0.585	0.317	0.214	0.367	0.354	0.484	0.59	0.55
9901	Oxygen, Dissolved, % Saturation	%	87.4	64.2	69.7	90.2	88.7	99.8	70.5	87.5	75.4	84.2
9924	Oxygen, Dissolved as O2	mg/l	10.4	6.32	7.07	11.7	11.5	9.99	7.06	8.38	7.3	8.4

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sampling point Cut At Cannon Hill, Bray Wick

Determinands

Sampling results

Samples from 9 Sep 2019 to 2 Aug 2021

Samples from 18 Mar 2016 to 21 Aug 2019

sampling point
Cut At Cannon Hill, Bray Wick