sampling point
Halse Water At Halse Gauging Station

Description	HALSE W HALSE G STN
Sampling point ID	SW-E1273600
Type	Freshwater – Rivers
Status	open
Location	easting northing: 320674 125220 lat lon: 51.020856, -3.132347
Area	Wessex
Sub-Area	West Wessex
Summary	184 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.

30 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOROPHYLL
Calcium - Ca
Cond @ 20C
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
Oxygen Diss
Phosphate
Potassium- K
Sld Sus@105C
Temp Water
TurbidityNTU
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 184 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Jun 2023 to 4 Mar 2024

Notation	Determinand	Units	5 Jun 2023 12:55	6 Jul 2023 13:22	7 Aug 2023 09:55	8 Sep 2023 10:44	2 Oct 2023 09:14	9 Nov 2023 09:33	5 Dec 2023 09:56	8 Jan 2024 09:14	6 Feb 2024 10:01	4 Mar 2024 09:34
0061	pH		8.34	8.17	8.28	8.07	8.03	8.07	7.76	8.2	8.28	8.17
0076	Temperature of Water	°C	14	15.5	14.1	17.4	15.5	9.7	7.7	5.5	10.2	6.1
0077	Conductivity at 25 C	μs/cm	550	505	566	577	530	452	427	473	526	469
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.088	< 0.03	0.034	< 0.03	0.033	0.26	0.031		0.035
0116	Nitrogen, Total Oxidised as N	mg/l	6.4	6.1	5.7	5.7	5.4	5.4	4.8	5.7	6.6	5.4
0117	Nitrate as N	mg/l	6.37	6.01	5.68	5.68	5.38	5.38	4.78	5.69	6.57	5.39
0118	Nitrite as N	mg/l	0.028	0.086	0.017	0.02	0.021	0.017	0.019	0.013	0.03	0.013
0119	Ammonia un-ionised as N	mg/l	< 0.00073	0.0024	< 0.00074	0.00106	< 0.00082	0.00059	0.00232	0.00041		0.00048
0135	Solids, Suspended at 105 C	mg/l	7.5	5.5	3.7	4.8	5.2	25	70	27	14	25
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	220	180	220	240	210	170	160	180	200	190
0180	Orthophosphate, reactive as P	mg/l	0.13	0.17	0.2	0.24	0.16	0.096	0.17	0.092	0.11	0.097
6396	Turbidity	ntu	4.2	3.8	3.1	2.7	3.3	18	76	19	7.7	13
7887	Chlorophyll : Acetone Extract	μg/l	1.7	2.7	< 0.5	0.73	0.78	2	2.8	1.9	1.8	1.6
9901	Oxygen, Dissolved, % Saturation	%	99.6	96.5	93.4	91.3	90.5	97.5	91.1	97.6	94.7	97.3
9924	Oxygen, Dissolved as O2	mg/l	10.2	9.6	9.58	8.73	9	11.1	10.9	12.3	10.6	12.1

Samples from 6 Sep 2022 to 3 May 2023

Notation	Determinand	Units	6 Sep 2022 09:57	5 Oct 2022 09:21	1 Nov 2022 09:18	7 Dec 2022 12:41	17 Jan 2023 08:58	14 Feb 2023 12:49	6 Mar 2023 09:22	3 Apr 2023 11:28	18 Apr 2023 13:26	3 May 2023 12:24
0061	pH		7.9	8.07	8	8.1	7.75	8.24	8.35	8.05	8.24	8.2
0076	Temperature of Water	°C	15.6	14.7	12.5	7.3	5.7	7.3	6.1	8.1	11.1	12.5
0077	Conductivity at 25 C	μs/cm	430	575	541	506	417	559	576	450	486	528
0111	Ammoniacal Nitrogen as N	mg/l	0.081	< 0.03	0.15	0.036	0.044	0.074	0.032	0.032	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.4	5.4	4.8	6.8	6.1	7	6.7	5.5	5.7	5.7
0117	Nitrate as N	mg/l	4.35	5.38	4.72	6.78	6.09	6.98	6.68	5.49	5.68	5.68
0118	Nitrite as N	mg/l	0.054	0.023	0.078	0.019	0.012	0.024	0.023	0.014	0.018	0.016
0119	Ammonia un-ionised as N	mg/l	0.00178	< 0.00077	0.00328	0.00054	0.00033	0.00111	0.00044	0.00051	< 0.00059	< 0.00066
0135	Solids, Suspended at 105 C	mg/l	81	5.1	14	8.2	31	10	7.3	22	15	10
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	150	220	210	190	140	210	240	170	190	210
0180	Orthophosphate, reactive as P	mg/l	0.28	0.24	0.28	0.11	0.12	0.1	0.094	0.085	0.091	0.086
6396	Turbidity	ntu	73	2.5					2.2		4.8	6.3
7887	Chlorophyll : Acetone Extract	μg/l	7.6	1.7	3.1	1.9	2.3	1.3	3.9	3.3	3.9	3.9
9901	Oxygen, Dissolved, % Saturation	%	88	87.1	83.6	98.2	92.7	99.2	98.1	97.9	102.8	104.5
9924	Oxygen, Dissolved as O2	mg/l	8.74	8.82	8.89	11.8	11.6	11.9	12.2	11.5	11.3	11.1

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sampling point Halse Water At Halse Gauging Station

Determinands

Sampling results

Samples from 5 Jun 2023 to 4 Mar 2024

Samples from 6 Sep 2022 to 3 May 2023

sampling point
Halse Water At Halse Gauging Station