sampling point
R Test Bridge Street

Description	RIVER TEST AT BRIDGE STREET OVERTON
Sampling point ID	SO-G0003943
Type	Freshwater – Rivers
Status	open
Location	easting northing: 451360 149795 lat lon: 51.245021, -1.26557
Area	Solent And South Downs
Sub-Area	L&W West Ssd
Summary	207 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.

34 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
BOD5DyATUFil
C - Org Filt
C - Organic
COD as O2
COPA
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
Cypermeth ID
Cypermethrin
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
NPEs
Nitrate-N
Nitrite-N
O Diss %sat
OPEs
Orthophospht
Oxygen Diss
PolyvinylAlc
Sld Sus@105C
Temp Water
Zinc - as Zn
Zn- Filtered
pH
ptOctylPheno

Displaying the twenty most recent samples. You can see all 207 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 20 Oct 2023 to 23 Jul 2024

Notation	Determinand	Units	20 Oct 2023 09:04	21 Nov 2023 11:07	13 Dec 2023 10:30	16 Jan 2024 11:41	21 Feb 2024 10:19	27 Mar 2024 11:35	22 Apr 2024 13:15	17 May 2024 11:32	17 Jun 2024 16:16	23 Jul 2024 10:51
0061	pH		7.56	7.59	7.69	7.68	7.52	7.65	7.7	7.65	7.74	7.59
0076	Temperature of Water	°C	11.5	10	9.5	7.6	9.9	9.8	10.4	12.4	14	12.5
0077	Conductivity at 25 C	μs/cm	603	607	605	617	602	602	610	614	609	615
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1	< 1	< 1	< 1	1.1	< 1	< 1	1.1
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	9	8.7	8.9	9.6	9.3	9.3	9.4	9.1	9.5	9.9
0117	Nitrate as N	mg/l	8.99	8.69	8.9	9.6	9.3	9.29	9.39	9.08	9.49	9.89
0118	Nitrite as N	mg/l	0.0053	0.0053	0.005	< 0.004	0.0048	0.0075	0.01	0.016	0.011	0.0083
0119	Ammonia un-ionised as N	mg/l	< 0.00022	< 0.00022	< 0.00026	< 0.00022	< 0.00018	< 0.00024	< 0.00029	< 0.00029	< 0.00041	< 0.00026
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	3.7	4.4	4.1			4.2	3.9
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	250	240	260	250	240	240	250	240	240
0180	Orthophosphate, reactive as P	mg/l	0.036	0.022	0.024	0.033	0.03	0.025	0.014	0.027	0.026	0.024
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1	0.82	0.78	0.79	0.79	1.1			0.75	0.62
9901	Oxygen, Dissolved, % Saturation	%	89	91.7	90.1	93.3	92.5	100.8	105.6	100.1	103.2	94.1
9924	Oxygen, Dissolved as O2	mg/l	9.68	10.3	10.3	11.1	10.4	11.4	11.8	10.7	10.6	10

Samples from 2 Dec 2022 to 4 Sep 2023

Notation	Determinand	Units	2 Dec 2022 10:28	30 Jan 2023 11:01	20 Feb 2023 14:25	8 Mar 2023 10:40	27 Apr 2023 10:20	17 May 2023 13:56	20 Jun 2023 12:39	17 Jul 2023 12:19	1 Sep 2023 14:59	4 Sep 2023 11:17
0061	pH		7.8	7.69	7.83	7.65	7.6	7.7	7.52	7.64	7.66	7.64
0076	Temperature of Water	°C	9	9	10.8	7.8	10	12.9	13.5	13	13.5	12.8
0077	Conductivity at 25 C	μs/cm	687	604	602	710	596	597	601	597	607	610
0085	BOD : 5 Day ATU	mg/l	1.1	< 1	1.4	1.1	1.1	1.2	1.2	< 1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.1	< 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	7.2	8.2	8.9	8.9	9.2	8.6	8.7	8.4	9.3	8.9
0117	Nitrate as N	mg/l	7.18	8.2	8.9	8.9	9.19	8.59	8.68	8.39	9.29	8.89
0118	Nitrite as N	mg/l	0.021	0.004	0.004	< 0.004	0.0059	0.0096	0.021	0.0084	0.0057	0.0054
0119	Ammonia un-ionised as N	mg/l	0.00108	< 0.00025	< 0.00039	< 0.00021	< 0.00022	< 0.00034	< 0.00024	< 0.0003	< 0.00033	< 0.0003
0135	Solids, Suspended at 105 C	mg/l	6.5	6.6	3.9	8.5	3.3	4.2	4.1	< 3	< 3	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	270	250	250	240	290	280	240	240	240	240
0180	Orthophosphate, reactive as P	mg/l	0.035	0.028	0.024	0.023	0.017	0.018	0.019	0.023	0.022	0.033
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	3.3	0.76	0.76	0.87	0.76	0.84	1.4	0.63	0.64	0.58
9901	Oxygen, Dissolved, % Saturation	%	91.1	96.1	102.4	97.6	96.3	106.2	93.1	103.8	106.9	102.6
9924	Oxygen, Dissolved as O2	mg/l	10.5	11.1	11.3	11.6	10.8	11.2	9.68	10.9	11.1	10.8

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sampling point R Test Bridge Street

Determinands

Sampling results

Samples from 20 Oct 2023 to 23 Jul 2024

Samples from 2 Dec 2022 to 4 Sep 2023

sampling point
R Test Bridge Street