sampling point
Itchen D/S Alresford Bypass

Description	RIVER ITCHEN DOWNSTREAM ALRESFORD BY-PASS
Sampling point ID	SO-G0003812
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 457435 131767 lat lon: 51.082352, -1.181419
Area	Solent And South Downs
Sub-Area	L&W West Ssd
Summary	157 samples taken between 2012 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
BOD5DyATUFil
COPA
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
OrthophsFilt
Oxygen Diss
Phosphorus-P
Sld NV@500C
Sld Sus@105C
Temp Water
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 157 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Mar 2012 to 23 Nov 2012

Notation	Determinand	Units	5 Mar 2012 08:56	10 Apr 2012 08:38	1 May 2012 10:11	7 Jun 2012 09:34	25 Jun 2012 09:23	10 Aug 2012 11:05	23 Aug 2012 12:11	28 Sep 2012 08:48	24 Oct 2012 12:12	23 Nov 2012 13:10
0061	pH		7.91	7.92	7.48	7.87	7.8	8.14	7.74	7.93	7.85	7.77
0076	Temperature of Water	°C	6.1	8.35	10.9	12.2	11.6	13.6	13.2	10.8	12.2	9.7
0077	Conductivity at 25 C	μs/cm	583.2	579	583	614.9	585.3	589	563.4	570.8	584	559
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	6.62	6.3	5.86	6.1	5.89	5.99	6.05	6.21	6.46	6.07
0117	Nitrate as N	mg/l	6.61	6.29	5.85	6.09	5.88	5.98	6.04	6.2	6.45	6.06
0118	Nitrite as N	mg/l	0.0071	0.0093	0.0091	0.0112	0.0107	0.0129	0.0094	0.0135	0.0092	0.0089
0119	Ammonia un-ionised as N	mg/l	< 0.00033	< 0.0004	< 0.00018	< 0.00048	< 0.00039	< 0.00071	< 0.00038	< 0.0005	< 0.00046	< 0.00032
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	249	238	249	252	252	254	246	246	251	241
0180	Orthophosphate, reactive as P	mg/l	0.032	0.022	< 0.02	< 0.02	0.027	0.027	< 0.02	0.025	0.031	0.058
9901	Oxygen, Dissolved, % Saturation	%	100	100.4	95.3	85.9	97.6	96.3	96.6	88.4	91.7	96.8
9924	Oxygen, Dissolved as O2	mg/l	12.4	11.8	10.5	9.19	10.6	9.99	10.1	9.77	9.82	11

Samples from 5 May 2011 to 3 Feb 2012

Notation	Determinand	Units	5 May 2011 09:24	6 Jun 2011 09:10	5 Jul 2011 10:18	18 Aug 2011 08:45	9 Sep 2011 09:18	5 Oct 2011 10:17	2 Nov 2011 09:36	2 Dec 2011 09:26	6 Jan 2012 09:45	3 Feb 2012 09:38
0061	pH		8.03	8.06	8.11	7.81	7.97	8.12	8.07	8.03	7.87	8.04
0076	Temperature of Water	°C	10.54	9.03	13.25	12.41	13.95	13.53	9.9	6.95	6.7	3.3
0077	Conductivity at 25 C	μs/cm	572	574	590	581	535	581	564	575	592	592
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	6.4	6.25	5.73	5.82	5.83	5.98	5.81	6.03	6.71	6.68
0117	Nitrate as N	mg/l	6.39	6.24	5.72	5.81	5.82	5.97	5.8	6.02	6.7	6.67
0118	Nitrite as N	mg/l	0.0066	0.0111	0.0109	0.0126	0.0115	0.0084	0.0077	0.0109	0.0085	0.0061
0119	Ammonia un-ionised as N	mg/l	< 0.00057	< 0.00051	< 0.00069	< 0.00042	< 0.00068	< 0.00071	< 0.00054	< 0.00044	< 0.00032	< 0.00033
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	250	244	248	252	245	247	254	235	246	251
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	< 0.02	< 0.02	0.056	0.022	0.061	0.045	0.085	0.033
9901	Oxygen, Dissolved, % Saturation	%	108.7	106.1	122	83.4	99.6	96.7	95.5	98	86.1	92.7
9924	Oxygen, Dissolved as O2	mg/l	12.1	12.2	12.8	8.88	10.3	10	10.8	11.9	10.5	12.4

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sampling point Itchen D/S Alresford Bypass

Determinands

Sampling results

Samples from 5 Mar 2012 to 23 Nov 2012

Samples from 5 May 2011 to 3 Feb 2012

sampling point
Itchen D/S Alresford Bypass