sampling point
Cheesemans Br. Str @ Potwell

Description	CHEESEMANS BRIDGE STREAM AT POTWELL
Sampling point ID	SO-G0003669
Type	Freshwater – Rivers
Status	open
Location	easting northing: 465023 107536 lat lon: 50.863681, -1.077431
Area	Solent And South Downs
Sub-Area	L&W East Ssd
Summary	184 samples taken between 2023 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.

25 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
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
Oxygen Diss
Sld Sus@105C
Temp Water
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

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 13 Jun 2022 to 10 Mar 2023

Notation	Determinand	Units	13 Jun 2022 10:56	13 Jul 2022 07:42	18 Aug 2022 09:36	28 Sep 2022 09:36	27 Oct 2022 08:28	8 Nov 2022 09:58	2 Dec 2022 11:18	23 Jan 2023 10:23	9 Feb 2023 11:22	10 Mar 2023 13:58
0061	pH		7.76	7.88	7.67	7.66	7.59	7.39	7.76	7.81	7.96	7.51
0076	Temperature of Water	°C	13.4	16.9	16.8	11	14.3	12.6	8.2	2.7	4.4	7.1
0077	Conductivity at 25 C	μs/cm	521	523	479	446	608	333	601	650	606	507
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.052	0.051	0.079	0.075
0116	Nitrogen, Total Oxidised as N	mg/l	2.4	2.1	2	2	2.9	2.6	4.6	6	3.9	3.8
0117	Nitrate as N	mg/l	2.39	2.09	1.99	1.99	2.89	2.59	4.57	5.98	3.86	3.78
0118	Nitrite as N	mg/l	0.01	0.006	0.013	0.0093	0.012	0.014	0.026	0.019	0.042	0.02
0119	Ammonia un-ionised as N	mg/l	< 0.00041	< 0.00069	< 0.00043	< 0.00027	< 0.0003	< 0.00017	0.00048	0.00035	0.00087	0.00036
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	150	160	140	120	160	90	200	200	190	140
0180	Orthophosphate, reactive as P	mg/l	0.067	0.079	0.068	0.052	0.045	0.068	0.033	0.03	0.033	0.073
9901	Oxygen, Dissolved, % Saturation	%	89.2	81.9	75.5	82.1	75.7	83.7	83.7	91.1	93.5	89.7
9924	Oxygen, Dissolved as O2	mg/l	9.29	7.91	7.31	9.03	7.73	8.88	9.85	12.3	12.1	10.8

Samples from 14 Apr 2015 to 3 May 2022

Notation	Determinand	Units	14 Apr 2015 09:43	3 Jul 2015 10:58	6 Oct 2015 09:51	4 Feb 2016 10:43	3 May 2016 12:12	10 Aug 2016 09:53	10 Nov 2016 10:49	1 Mar 2017 12:19	19 Apr 2022 14:57	3 May 2022 12:04
0061	pH		7.89	7.98	7.64	7.77	8.1	8.04	7.72	7.69	7.9	7.94
0076	Temperature of Water	°C	10.3	14.7	14.6	8.2	9.9	13.2	9.1	7.4	11.2	11.7
0077	Conductivity at 25 C	μs/cm	546	531	418	607	564	512	486	538	565	563
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.048	0.049	< 0.03	< 0.03	0.05	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.54	2.37	4.2	4.14	3.15	2.63	2.43	3.35	2.7	2.6
0117	Nitrate as N	mg/l	2.52	2.36	4.18	4.11	3.13	2.62	2.37	3.34	2.68	2.57
0118	Nitrite as N	mg/l	0.0194	0.01	0.0226	0.0257	0.0201	0.0068	0.0555	0.0117	0.019	0.031
0119	Ammonia un-ionised as N	mg/l	< 0.00044	< 0.00074	0.00054	0.00046	< 0.00054	< 0.00069	0.00045	< 0.00022	< 0.00048	< 0.00054
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	157	142	127	186	175	128	137	158	160	180
0180	Orthophosphate, reactive as P	mg/l	0.039	0.079	0.089	0.036	0.044	0.062	0.065	0.047	0.048	0.052
9901	Oxygen, Dissolved, % Saturation	%	94.2	77.6	73.8	92	88.2	77.2	72.3	95.5	93.2	92.4
9924	Oxygen, Dissolved as O2	mg/l	10.5	7.86	7.49	10.8	9.96	8.08	8.32	11.5	10.2	10

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sampling point Cheesemans Br. Str @ Potwell

Determinands

Sampling results

Samples from 13 Jun 2022 to 10 Mar 2023

Samples from 14 Apr 2015 to 3 May 2022

sampling point
Cheesemans Br. Str @ Potwell