sampling point
Hop'stone Bk U/S Hilmarton Stw

Description	UPSTREAM HILMARTON STW
Sampling point ID	SW-Z8490124
Type	Freshwater – Rivers
Status	open
Location	easting northing: 401900 175600 lat lon: 51.47935, -1.974025
Area	Wessex
Sub-Area	East Wessex
Summary	113 samples taken between 2017 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.

17 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld Sus@105C
Temp Water
Type of Flow
pH

Displaying the twenty most recent samples. You can see all 113 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 18 Mar 2016 to 21 Mar 2017

Notation	Determinand	Units	18 Mar 2016 13:32	15 Apr 2016 14:30	10 Jun 2016 13:26	6 Jul 2016 14:10	12 Aug 2016 10:50	22 Nov 2016 11:13	14 Dec 2016 11:23	31 Jan 2017 11:33	21 Feb 2017 11:50	21 Mar 2017 10:42
0061	pH		8.07	8.15	7.93	7.95	7.93	7.54	7.63	7.77	8.1	7.9
0076	Temperature of Water	°C	4.8	9.8	14.6	13.1	14.8	8.4	9	6.9	9	7.5
0077	Conductivity at 25 C	μs/cm	689	646	750	755	863	421	648	562	682	667
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.041	0.043	< 0.03	< 0.03	< 0.03	< 0.03	0.053	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.47	3.45	1.67	1.85	1.96	8.48	6.72	5.72	3.46	2.6
0117	Nitrate as N	mg/l	3.46	3.43	1.66	1.84	1.95	8.47	6.71	5.7	3.45	2.59
0118	Nitrite as N	mg/l	0.0102	0.0162	0.0129	0.008	0.0061	0.0095	0.01	0.0208	0.0149	0.0128
0119	Ammonia un-ionised as N	mg/l	< 0.00037	0.00074	0.00094	< 0.00061	< 0.00066	< 0.00017	< 0.00022	0.00046	< 0.00051	< 0.00036
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	278	268	335	328	369	119	236	211	273	269
0180	Orthophosphate, reactive as P	mg/l	0.093	0.097	0.134	0.148	0.176	0.219	0.123	0.14	0.107	0.119
9901	Oxygen, Dissolved, % Saturation	%	98.4	102	84	81.7	75.4	89.2	89	97.1	93.7	94.4
9924	Oxygen, Dissolved as O2	mg/l	12.6	11.5	8.52	8.57	7.62	10.4	10.3	11.8	10.8	11.3

Samples from 1 May 2015 to 27 Jan 2016

Notation	Determinand	Units	1 May 2015 16:07	3 Jun 2015 14:21	18 Jun 2015 12:13	14 Jul 2015 13:25	18 Aug 2015 13:29	18 Sep 2015 11:45	3 Nov 2015 13:29	30 Nov 2015 11:12	14 Dec 2015 13:04	27 Jan 2016 13:21
0061	pH		8.14	7.96	7.83	7.82	7.93	7.76	7.7	7.78	7.93	7.83
0076	Temperature of Water	°C	10.2	12.3	13.9	15.1	12.5	12.5	10.8	9.6	9.5	9.5
0077	Conductivity at 25 C	μs/cm	685	731	819	839	862	634	734	539	607	460
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.044	0.069	0.071	0.033	0.031	< 0.03	< 0.03	< 0.03	0.052
0116	Nitrogen, Total Oxidised as N	mg/l	2.76	1.08	1.62	1.46	2.05	7.08	3.32	6.54	5.22	3.8
0117	Nitrate as N	mg/l	2.75	1.07	1.6	1.44	2.04	7.05	3.29	6.53	5.21	3.79
0118	Nitrite as N	mg/l	0.0122	0.0085	0.0199	0.0209	0.0094	0.0301	0.0272	0.0146	0.0132	0.0148
0119	Ammonia un-ionised as N	mg/l	< 0.00056	0.00087	0.00114	0.00125	0.00062	0.00039	< 0.00029	< 0.00032	< 0.00045	0.00062
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	290	315	361	362	372	226	286	171	239	186
0180	Orthophosphate, reactive as P	mg/l	0.05	0.122	0.117	0.156	0.124	0.123	0.078	0.151	0.12	0.107
9901	Oxygen, Dissolved, % Saturation	%	106	91.5	70.7	64.1	73.8	77.8	64.8	92.7	91.8	93.4
9924	Oxygen, Dissolved as O2	mg/l	11.9	9.77	7.28	6.43	7.85	8.27	7.16	10.5	10.5	10.6

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sampling point Hop'stone Bk U/S Hilmarton Stw

Determinands

Sampling results

Samples from 18 Mar 2016 to 21 Mar 2017

Samples from 1 May 2015 to 27 Jan 2016

sampling point
Hop'stone Bk U/S Hilmarton Stw