sampling point
Gauze Bk U/S Hullavington Stw

Description	GAUZE BROOK UPSTREAM HULLAVINGTON STW
Sampling point ID	SW-Z1520115
Type	Freshwater – Rivers
Status	open
Location	easting northing: 389519 182870 lat lon: 51.54462, -2.152525
Area	Wessex
Sub-Area	East Wessex
Summary	139 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.

27 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
OrthophsFilt
Oxygen Diss
Phosphorus-P
Potassium- K
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 139 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 18 Jul 2023 to 23 May 2024

Notation	Determinand	Units	18 Jul 2023 14:48	10 Aug 2023 14:06	14 Sep 2023 13:50	18 Oct 2023 13:12	25 Oct 2023 13:36	8 Dec 2023 12:19	15 Jan 2024 12:41	23 Feb 2024 10:30	16 Apr 2024 12:24	23 May 2024 13:22
0061	pH		7.65	7.68	8.09	7.54	7.55	7.71	7.75	7.92	7.56	7.53
0076	Temperature of Water	°C	12.7	13.5	13.1	11.3	11.7	8.7	7.7	7.3	10.3	11.2
0077	Conductivity at 25 C	μs/cm	645	646	1227	630	591	498	600	425	610	568
0085	BOD : 5 Day ATU	mg/l								1.2	< 1	1.9
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.3	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.12
0116	Nitrogen, Total Oxidised as N	mg/l	12	6.5	0.34	7.7	7	4.7	5.7	2.8	4.5	15
0117	Nitrate as N	mg/l	12	6.49	0.32	7.7	7	4.69	5.7	2.79	4.5	14.9
0118	Nitrite as N	mg/l	0.011	0.0057	0.02	< 0.004	0.0043	0.0065	< 0.004	0.0069	< 0.004	0.094
0119	Ammonia un-ionised as N	mg/l	< 0.0003	< 0.00034	0.00686	< 0.00021	< 0.00022	< 0.00026	< 0.00026	< 0.00037	< 0.00021	0.00082
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	270	280	260	260	230	270	200	270	210
0180	Orthophosphate, reactive as P	mg/l	0.017	0.018	< 0.01	0.022	0.026	0.043	0.018	0.03	0.014	0.031
9901	Oxygen, Dissolved, % Saturation	%	86.7	89.6	87.8	82.9	84.6	89.8	89.2	93.2	89.8	79.6
9924	Oxygen, Dissolved as O2	mg/l	9.18	9.31	9.21	9.06	9.16	10.4	10.6	11.2	10	8.72

Samples from 25 Apr 2018 to 15 Mar 2019

Notation	Determinand	Units	25 Apr 2018 12:04	27 Jun 2018 10:16	25 Jul 2018 09:38	29 Aug 2018 11:04	15 Oct 2018 11:05	8 Nov 2018 12:24	3 Dec 2018 13:53	25 Jan 2019 12:17	19 Feb 2019 11:21	15 Mar 2019 13:14
0061	pH		7.55	7.82	7.54	8.06	7.64	7.88	7.65	7.68	7.68	7.41
0076	Temperature of Water	°C	10.4	11.6	12.6	12.4	11	10.9	10.3	9.6	8.8	9.8
0077	Conductivity at 25 C	μs/cm	662	981	1293	1304	1274	992	644	656	626	581
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.221	0.235	0.087	0.073	0.058	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.79	2.25	0.32	0.52	0.39	5.42	22.7	10.8	10.4	9.76
0117	Nitrate as N	mg/l	6.79	2.24	0.266	0.477	0.366	5.38	22.7	10.8	10.4	9.76
0118	Nitrite as N	mg/l	< 0.004	0.0117	0.0543	0.0431	0.0242	0.0382	0.0068	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0002	0.00301	0.00182	0.00189	0.00063	0.00086	< 0.00025	< 0.00026	< 0.00024	< 0.00014
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	276	276	274	276	266	264	170	251	240	224
0180	Orthophosphate, reactive as P	mg/l	0.011	0.152	0.142	< 0.01	< 0.01	< 0.01	0.033	0.019	0.019	0.025
9901	Oxygen, Dissolved, % Saturation	%	87.8	68.2	64	69.3	86.3	71.7	87.8	88.6	88.1	88.3
9924	Oxygen, Dissolved as O2	mg/l	9.8	7.4	6.79	7.38	9.5	7.91	9.82	10.1	10.2	10

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sampling point Gauze Bk U/S Hullavington Stw

Determinands

Sampling results

Samples from 18 Jul 2023 to 23 May 2024

Samples from 25 Apr 2018 to 15 Mar 2019

sampling point
Gauze Bk U/S Hullavington Stw