sampling point
Avon Westport

Description	SHERSTON BRANCH D/S SIDE OF BRIDGE
Sampling point ID	SW-Z5012802
Type	Freshwater – Rivers
Status	open
Location	easting northing: 392815 187254 lat lon: 51.584091, -2.105087
Area	Wessex
Sub-Area	East Wessex
Summary	227 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.

32 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
Calcium - Ca
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
Mineral Oils
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
PhenolicOdor
Potassium- K
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 227 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 20 Jun 2023 to 1 Mar 2024

Notation	Determinand	Units	20 Jun 2023 12:07	27 Jul 2023 10:00	11 Aug 2023 11:02	1 Sep 2023 12:17	13 Oct 2023 10:45	1 Nov 2023 10:49	6 Dec 2023 09:10	3 Jan 2024 10:40	15 Feb 2024 10:50	1 Mar 2024 12:59
0061	pH		7.8	7.84	7.88	7.93	7.78	7.8	7.95	8.01	7.95	7.97
0076	Temperature of Water	°C	16.2	14.7	16.2	13.7	14.2	11.5	7.9	8.9	10.6	8.4
0077	Conductivity at 25 C	μs/cm	597	630	630	638	618	614	561	514	583	586
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.04	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.1	6	6.5	6.4	6.1	7	5.8	5.6	6.1	6.1
0117	Nitrate as N	mg/l	6.09	5.99	6.49	6.39	6.09	6.99	5.79	5.59	6.09	6.09
0118	Nitrite as N	mg/l	0.013	0.011	0.012	0.0077	0.0098	0.0091	0.0084	0.014	0.0072	0.011
0119	Ammonia un-ionised as N	mg/l	< 0.00055	< 0.00054	< 0.00066	< 0.00061	< 0.00045	< 0.00039	< 0.00042	0.00067	< 0.00051	< 0.00045
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	260	260	250	250	270	240	220	260	250
0180	Orthophosphate, reactive as P	mg/l	0.03	0.055	0.067	0.056	0.074	0.063	0.062	0.069	0.05	0.041
9901	Oxygen, Dissolved, % Saturation	%	67.5	77.7	76.4	79	72.9	87.8	95.6	92.7	94	95.3
9924	Oxygen, Dissolved as O2	mg/l	6.62	7.87	7.49	8.18	7.46	9.55	11.3	10.7	10.4	11.2

Samples from 5 Sep 2022 to 16 May 2023

Notation	Determinand	Units	5 Sep 2022 14:02	19 Oct 2022 16:06	9 Nov 2022 08:24	12 Dec 2022 08:32	19 Jan 2023 08:49	6 Feb 2023 11:11	8 Mar 2023 10:20	22 Mar 2023 09:52	5 Apr 2023 09:56	16 May 2023 15:12
0061	pH		7.95	7.95	7.77	8.08	7.99	8.13	8.14	7.94	7.94	8.19
0076	Temperature of Water	°C	16.1	11.9	10.5	5.8	6.5	6.3	5.7	10.5	9.3	11.8
0077	Conductivity at 25 C	μs/cm	668	670	627	621	593	622	649	566	588	608
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 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	2.2	2.3	14	8.1	7.7	7.2	6.9	6.4	7.1	6.9
0117	Nitrate as N	mg/l	2.19	2.29	14	8.09	7.69	7.2	6.9	6.39	7.09	6.89
0118	Nitrite as N	mg/l	0.0055	0.006	0.018	0.0055	0.015	< 0.004	0.0045	0.0085	0.0062	0.006
0119	Ammonia un-ionised as N	mg/l	< 0.00076	< 0.00056	< 0.00034	< 0.0004	< 0.00041	< 0.00042	< 0.0004	< 0.0005	< 0.00045	< 0.00062
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	260	270	200	250	240	250	250	230	240	250
0180	Orthophosphate, reactive as P	mg/l	0.057	0.05	0.079	0.037	0.049	0.03	0.029	0.051	0.035	0.027
9901	Oxygen, Dissolved, % Saturation	%	72.8	75.2	83.5	92.7	101.5	88	92.8	92.6	96.3	110.4
9924	Oxygen, Dissolved as O2	mg/l	7.15	8.1	9.3	11.6	12.5	10.9	11.6	10.3	11	11.9

Tell us whether you accept cookies

sampling point Avon Westport

Determinands

Sampling results

Samples from 20 Jun 2023 to 1 Mar 2024

Samples from 5 Sep 2022 to 16 May 2023

sampling point
Avon Westport