sampling point
Ray Above Wroughton Ditch

Description	RAY ABOVE WROUGHTON DITCH
Sampling point ID	TH-PUTR0067
Type	Freshwater – Rivers
Status	open
Location	easting northing: 414200 181400 lat lon: 51.531327, -1.796678
Area	West Thames
Sub-Area	L&W North Wt
Summary	132 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.

18 determinands have been measured at this site

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

Samples from 11 May 2016 to 2 Aug 2024

Notation	Determinand	Units	11 May 2016 11:00	21 Jun 2016 10:26	13 Jul 2016 16:03	13 Sep 2016 12:00	16 Nov 2016 15:04	27 Jan 2017 10:29	15 Feb 2017 09:35	6 Jun 2024 07:58	2 Jul 2024 08:27	2 Aug 2024 09:58
0061	pH		8	8.23	8.24	8.24	8.33	8.3	8.25	8.33	8.3	8.17
0076	Temperature of Water	°C	12.7	14.2	15.4	16.3	10.4	4.6	8.5	11.6	13.3	16.8
0077	Conductivity at 25 C	μs/cm	565	663	638	656	683	682	683	674	663	616
0085	BOD : 5 Day ATU	mg/l								1.2	1.2	< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.071	0.033	< 0.03	0.188	< 0.03	< 0.03	0.031	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.77	3.17	2.84	2.5	2.68	3.16	3.54	3.7	3.2	2.7
0117	Nitrate as N	mg/l	2.75	3.15	2.81	2.47	2.66	3.16	3.54	3.69	3.18	2.69
0118	Nitrite as N	mg/l	0.0167	0.0231	0.0258	0.0345	0.0153	0.0048	0.0046	0.013	0.019	0.014
0119	Ammonia un-ionised as N	mg/l	0.00158	0.00082	< 0.00081	0.00543	< 0.00056	< 0.00037	0.00051	< 0.00062	< 0.0007	< 0.0009
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	236	264	269	276	289	295	293	290	280	270
0180	Orthophosphate, reactive as P	mg/l	0.076	0.04	0.032	0.066	0.089	0.054	0.058	0.036	0.027	0.028
9901	Oxygen, Dissolved, % Saturation	%	98.6	98.1	83.4	94.7	96	90.5	106	98.6	97.3	100.9
9924	Oxygen, Dissolved as O2	mg/l	10.4	10	8.32	9.26	10.7	11.7	12.4	10.7	10.2	9.77

Samples from 25 Jun 2015 to 21 Mar 2016

Notation	Determinand	Units	25 Jun 2015 12:35	30 Jul 2015 12:33	20 Aug 2015 10:23	15 Sep 2015 15:26	27 Oct 2015 16:27	11 Nov 2015 11:09	1 Dec 2015 14:39	27 Jan 2016 10:43	18 Feb 2016 11:48	21 Mar 2016 15:45
0061	pH		8.15	8.13	8.2	8.22	8.21	8.32	8.25	8.27	8.34	8.25
0076	Temperature of Water	°C	17.2	14.6	15.3	14.7	12.6	12.8	11.1	10.6	8.3	10.1
0077	Conductivity at 25 C	μs/cm	651	647	632	623	673	689	694	682	680	662
0111	Ammoniacal Nitrogen as N	mg/l	0.036	< 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	2.53	2.15	2.09	2.26	2.14	2.37	2.6	3.84	4.34	4.22
0117	Nitrate as N	mg/l	2.5	2.13	2.08	2.25	2.13	2.35	2.59	3.84	4.34	4.21
0118	Nitrite as N	mg/l	0.0314	0.0154	0.0082	0.0057	0.013	0.0176	0.007	< 0.004	< 0.004	0.0054
0119	Ammonia un-ionised as N	mg/l	0.00111	< 0.00077	< 0.00081	< 0.00077	< 0.00066	< 0.00067	< 0.00059	< 0.00057	< 0.00048	< 0.00055
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	269	267	259	255	288	290	289	285	280	253
0180	Orthophosphate, reactive as P	mg/l	0.034	0.034	0.038	0.021	0.053	0.1	0.081	0.059	0.047	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	80.1	81.1	96.4	80.7	79.7	89.2	87.9	89.7	85.6	97.2
9924	Oxygen, Dissolved as O2	mg/l	7.69	8.23	9.63	8.17	8.45	9.42	9.65	9.96	10	10.9

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sampling point Ray Above Wroughton Ditch

Determinands

Sampling results

Samples from 11 May 2016 to 2 Aug 2024

Samples from 25 Jun 2015 to 21 Mar 2016

sampling point
Ray Above Wroughton Ditch