sampling point
Hampshire Avon U/S Salisbury Stw

Description	HAMPSHIRE AVON UPSTREAM OF SALISBURY STW
Sampling point ID	SW-50260521
Type	Freshwater – Rivers
Status	open
Location	easting northing: 415857 128713 lat lon: 51.057539, -1.775115
Area	Wessex
Sub-Area	East Wessex
Summary	212 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.

38 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
COD as O2
Calcium - Ca
Chloride Ion
Chlorophyl-A
Cond @ 20C
Cond @ 25C
Cu Filtered
Fe- Filt
Hardness
Hdnss Ca
Hdnss Mg
Iron - as Fe
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
SiO2 Rv
Sld Sus@105C
Temp Water
TurbidityNTU
Type of Flow
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 212 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Dec 2022 to 14 Feb 2024

Notation	Determinand	Units	7 Dec 2022 09:50	14 Feb 2023 11:10	15 Mar 2023 13:00	31 May 2023 13:07	13 Jun 2023 10:05	11 Jul 2023 10:56	10 Oct 2023 12:17	9 Nov 2023 11:54	31 Jan 2024 11:38	14 Feb 2024 11:07
0061	pH		8.1	8.14	8.17	8.2	7.94	8.05	7.85	7.89	8.05	8.07
0076	Temperature of Water	°C	6.8	8.9	8.3	14.7	16.3	16.2	13.4	9.9	8.9	10.2
0077	Conductivity at 25 C	μs/cm	587	578	558	564	569	558	569	561	591	576
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	7	7.2	6.6	6.6	6.8	6.1	6.3	5.7	7.1	6.8
0117	Nitrate as N	mg/l	6.99	7.19	6.59	6.59	6.78	6.08	6.29	5.69	7.08	6.79
0118	Nitrite as N	mg/l	0.011	0.0097	0.01	0.012	0.017	0.016	0.0073	0.012	0.016	0.014
0119	Ammonia un-ionised as N	mg/l	< 0.00043	< 0.0005	< 0.00048	< 0.00077	< 0.00076	< 0.00086	< 0.0005	< 0.00042	< 0.0005	0.00056
0135	Solids, Suspended at 105 C	mg/l	6.7	4.9	8.2	4.5	4.2	< 3	< 3	5.6	9	8.5
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	230	220	230	230	220	220	230	230	240
0180	Orthophosphate, reactive as P	mg/l	0.075	0.05	0.05	0.031	0.046	0.066	0.067	0.088	0.084	0.091
9901	Oxygen, Dissolved, % Saturation	%	94.2	96.4	103.1	117.5	93.8	98.3	88.8	87.7	94.4	95.3
9924	Oxygen, Dissolved as O2	mg/l	11.5	11.2	12.1	11.9	9.18	9.64	9.25	9.9	10.9	10.7

Samples from 2 Feb 2022 to 9 Nov 2022

Notation	Determinand	Units	2 Feb 2022 14:41	11 Mar 2022 12:36	5 Apr 2022 12:24	19 May 2022 09:21	7 Jun 2022 09:45	18 Jul 2022 09:43	6 Sep 2022 12:34	30 Sep 2022 09:28	17 Oct 2022 09:22	9 Nov 2022 10:54
0061	pH		8.2	8.1	8.21	7.84	7.94	7.88	7.83	7	7.75	7.86
0076	Temperature of Water	°C	10.1	9.7	10.8	14.6	13.8	18.2	16.4	10.1	12.7	11.6
0077	Conductivity at 25 C	μs/cm	569	574	559	545	544	552	543	569	551	513
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.039	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	7.6	6.7	6.7	6.3	6	5.8	5.7	6.5	6.4	4.9
0117	Nitrate as N	mg/l	7.59	6.69	6.69	6.28	5.99	5.79	5.69	6.49	6.39	4.89
0118	Nitrite as N	mg/l	0.01	0.0088	0.0091	0.016	0.015	0.015	0.011	0.0063	0.0082	0.0089
0119	Ammonia un-ionised as N	mg/l	< 0.00055	< 0.00054	< 0.00058	< 0.00053	0.00082	< 0.00076	< 0.0006	< 6.0e-05	< 0.00038	< 0.00045
0135	Solids, Suspended at 105 C	mg/l	12	12	7.9	5.9	6.4	< 3	4.3	3.6	< 3	18
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	220	230	230	220	220	220	210	220	220	190
0180	Orthophosphate, reactive as P	mg/l	0.069	0.049	0.035	0.061	0.054	0.048	0.06	0.039	0.053	0.1
9901	Oxygen, Dissolved, % Saturation	%	103.8	96.8	109	89.6	94.8	85.4	93.1	88	81	87.6
9924	Oxygen, Dissolved as O2	mg/l	11.7	11	12.1	9.09	9.79	8.03	9.09	9.89	8.57	9.51

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sampling point Hampshire Avon U/S Salisbury Stw

Determinands

Sampling results

Samples from 7 Dec 2022 to 14 Feb 2024

Samples from 2 Feb 2022 to 9 Nov 2022

sampling point
Hampshire Avon U/S Salisbury Stw