sampling point
Knockhatch Stream Hempstead La

Description	RIVER CUCKMERE TRIBUTARIES KNOCKHATCH STREAM HEMPSTEAD LANE
Sampling point ID	SO-F0002095
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 557180 109660 lat lon: 50.865082, 0.232217
Area	Solent And South Downs
Sub-Area	L&W South Ssd
Summary	103 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.

29 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
COPA
Cadmium - Cd
Calcium - Ca
Chloride Ion
Chromium -Cr
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
Hardness
Iron - as Fe
Lead - as Pb
Magnesium-Mg
N Oxidised
NH3 un-ion
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 103 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Nov 2014 to 2 Feb 2017

Notation	Determinand	Units	4 Nov 2014 13:10	5 Mar 2015 12:35	2 Jun 2015 15:03	10 Sep 2015 12:59	2 Dec 2015 09:56	8 Jan 2016 13:32	1 Apr 2016 12:20	27 Sep 2016 14:33	11 Oct 2016 15:24	2 Feb 2017 13:57
0061	pH		7.37	7.49	7.25	7.49	7.6	7.45	7.87	7.69	7.5	7.43
0076	Temperature of Water	°C	12.5	5.9	13.4	14	10.8	8.3	8.5	13.6	9.3	8.1
0077	Conductivity at 25 C	μs/cm	402	578	455	645	607	446	610	941	897	439
0111	Ammoniacal Nitrogen as N	mg/l	0.072	0.214	0.281	0.369	0.104	0.075	0.121	10.7	11.4	0.124
0116	Nitrogen, Total Oxidised as N	mg/l	1.42	1.27	1.44	1	0.82	2.68	1.01	1.72	2.86	1.46
0117	Nitrate as N	mg/l	1.41	1.26	1.38	0.954	0.795	2.66	0.996	1.57	2.75	1.44
0118	Nitrite as N	mg/l	0.0148	0.0128	0.0623	0.0465	0.0255	0.0193	0.0142	0.152	0.106	0.0184
0119	Ammonia un-ionised as N	mg/l	0.00038	0.0009	0.00119	0.00283	0.00081	0.00034	0.00147	0.126	0.0632	0.00054
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	94	128	106	156	149	88	126	246	205	70
0180	Orthophosphate, reactive as P	mg/l	0.113	0.089	0.158	0.22	0.144	0.079	0.094	1.47	1.74	0.054
9901	Oxygen, Dissolved, % Saturation	%	90.7	95.5	77.5	58.7	62.3	83	94.8	29.2	38.1	83.7
9924	Oxygen, Dissolved as O2	mg/l	9.64	11.9	8.07	6.03	6.89	9.74	11.1	3.03	4.36	9.87

Samples from 22 Oct 2012 to 6 Aug 2014

Notation	Determinand	Units	22 Oct 2012 13:43	5 Feb 2013 12:08	10 May 2013 16:16	10 Jul 2013 11:46	8 Aug 2013 09:25	9 Oct 2013 15:30	12 Nov 2013 12:09	6 Feb 2014 11:39	8 May 2014 16:04	6 Aug 2014 17:55
0050	Lead	μg/l	2.98	1.22	2.39		4.87		6.61	4.08
0061	pH		7.39	7.54	7.38	7.62	7.49	7.55	7.59	7.43	7.68	7.84
0076	Temperature of Water	°C	13.6	5.3	12.8	16	15	14.4	11.5	7.1	12.8	19.5
0077	Conductivity at 25 C	μs/cm	551	599	839	821	744	738	406	403	307	444
0085	BOD : 5 Day ATU	mg/l	2.05	< 1	2.87		3.82		2.54	1.99
0108	Cadmium	μg/l	0.0757	0.0674	0.106		0.162		0.119	0.0867
0111	Ammoniacal Nitrogen as N	mg/l	0.071	0.152	0.696	3.65	0.916	0.214	0.077	0.096	0.554	1.31
0116	Nitrogen, Total Oxidised as N	mg/l	1.23	1.78	1.72	1.88	1.1	0.99	0.88	1	0.9	1.86
0117	Nitrate as N	mg/l	1.2	1.76	1.64	1.78	0.956	0.947	0.864	0.99	0.841	1.7
0118	Nitrite as N	mg/l	0.0256	0.0168	0.0777	0.0971	0.144	0.0428	0.0162	0.0101	0.0589	0.159
0119	Ammonia un-ionised as N	mg/l	0.00042	0.00069	0.0038	0.0437	0.00757	0.00194	0.00062	0.00039	0.006	0.0333
0158	Hardness, Total as CaCO3	mg/l	198	191	251		213		139	140
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	138	120	171	127	162	148	97	87	77	87
0172	Chloride	mg/l	42.4	65.5	105		79.5		30.7	38.6
0180	Orthophosphate, reactive as P	mg/l	0.101	0.101	0.177	0.992	0.548	0.325	0.092	0.096	0.187	0.588
0237	Magnesium	mg/l	8.16	9.56	12		9.97		5.36	6.27
0241	Calcium	mg/l	66	60.9	80.8		68.7		47	45.8
3164	Chromium	μg/l	1.27	0.962	0.878		0.85		1.58	1.52
6051	Iron	μg/l	628	541	548		859		591	901
6452	Copper	μg/l	9.31	5.19	7.99		6.86		10.2	8.03
6455	Zinc	μg/l	19.8	16.2	24.5		23		31.6	23.7
6462	Nickel	μg/l	4.88	5.56	4.47		4.59		3.01	4.83
9901	Oxygen, Dissolved, % Saturation	%	77.5	91.4	81.7	57.8	42.3	73.2	82.6	87.2	78.8	64.7
9924	Oxygen, Dissolved as O2	mg/l				5.69		7.46		10.5	8.32	5.93

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sampling point Knockhatch Stream Hempstead La

Determinands

Sampling results

Samples from 4 Nov 2014 to 2 Feb 2017

Samples from 22 Oct 2012 to 6 Aug 2014

sampling point
Knockhatch Stream Hempstead La