sampling point
Western Avon At Patney Bridge

Description	WESTERN AVON AT PATNEY BRIDGE
Sampling point ID	SW-50210770
Type	Freshwater – Rivers
Status	open
Location	easting northing: 407431 158237 lat lon: 51.323184, -1.894738
Area	Wessex
Sub-Area	East Wessex
Summary	141 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.

13 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 141 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Sep 2023 to 25 Jun 2024

Notation	Determinand	Units	15 Sep 2023 12:14	30 Oct 2023 10:12	21 Nov 2023 10:42	20 Dec 2023 11:33	15 Jan 2024 13:15	23 Feb 2024 10:54	20 Mar 2024 11:57	17 Apr 2024 11:11	30 May 2024 14:17	25 Jun 2024 10:16
0061	pH		7.99	7.73	7.7	7.79	7.95	7.83	7.93	8.15	8.1	8.09
0076	Temperature of Water	°C	14.3	11.4	10.3	8.3	6.4	7.4	11.1	9.3	13.2	14.8
0077	Conductivity at 25 C	μs/cm	721	639	682	645	688	515	679	709	694	704
0085	BOD : 5 Day ATU	mg/l						< 2	1.1	1.1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.057	< 0.03	0.045	0.033	0.03	0.038	0.044	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.8	4.3	6.2	5.4	8.1	4.6	6.9	7.3	5	5.3
0117	Nitrate as N	mg/l	3.79	4.26	6.17	5.37	8.08	4.58	6.87	7.28	4.98	5.28
0118	Nitrite as N	mg/l	0.0069	0.036	0.031	0.034	0.019	0.018	0.026	0.025	0.024	0.021
0119	Ammonia un-ionised as N	mg/l	< 0.00073	0.00062	< 0.00028	0.00045	0.00041	0.00031	0.00064	0.00076	< 0.00069	< 0.00078
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	290	270	280	270	290	220	290	290	300	290
0180	Orthophosphate, reactive as P	mg/l	0.29	0.22	0.19	0.2	0.16	0.23	0.18	0.17	0.21	0.23
9901	Oxygen, Dissolved, % Saturation	%	83.4	80.3	79.9	82.9	90.3	96.4	93.6	97	97.9	89.3
9924	Oxygen, Dissolved as O2	mg/l	8.52	8.75	8.94	9.73	11.1	11.6	10.3	11.1	10.2	9.02

Samples from 26 Sep 2022 to 25 Jul 2023

Notation	Determinand	Units	26 Sep 2022 11:02	24 Oct 2022 12:11	15 Nov 2022 11:24	14 Dec 2022 11:46	19 Jan 2023 12:11	23 Feb 2023 10:54	13 Mar 2023 12:02	25 May 2023 12:29	28 Jun 2023 12:16	25 Jul 2023 13:26
0061	pH		8.38	7.66	7.65	8	7.86	7.99	7.98	8.04	7.91	8.01
0076	Temperature of Water	°C	12.4	13	11.8	3.2	5.2	7.1	9.9	13.3	16	13.9
0077	Conductivity at 25 C	μs/cm	764	663	678	725	653	693	655	702	717	701
0085	BOD : 5 Day ATU	mg/l									< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.034	0.031	< 0.03	< 0.03	< 0.03	0.036	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.4	5.5	3.2	4.9	7.6	5.7	4.6	6.5	5.9	4.4
0117	Nitrate as N	mg/l	4.39	5.48	3.18	4.88	7.58	5.68	4.58	6.48	5.88	4.38
0118	Nitrite as N	mg/l	0.0054	0.018	0.021	0.018	0.019	0.017	0.016	0.019	0.021	0.023
0119	Ammonia un-ionised as N	mg/l	< 0.00065	< 0.00032	< 0.00028	0.00038	0.00029	< 0.00043	< 0.00052	< 0.0007	0.00083	< 0.00073
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	270	190	240	290	260	270	260	290	290	270
0180	Orthophosphate, reactive as P	mg/l	0.25	0.22	0.21	0.12	0.17	0.13	0.14	0.16	0.22	0.23
9901	Oxygen, Dissolved, % Saturation	%	88.1	65.4	74.2	90.7	90.4	93.2	95.5	99.4	80.6	87.7
9924	Oxygen, Dissolved as O2	mg/l	9.39	6.87	8.02	12.1	11.5	11.3	10.8	10.4	7.93	9.04

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sampling point Western Avon At Patney Bridge

Determinands

Sampling results

Samples from 15 Sep 2023 to 25 Jun 2024

Samples from 26 Sep 2022 to 25 Jul 2023

sampling point
Western Avon At Patney Bridge