sampling point
Swallowcliffe Stream U/S Of Railway

Description	RSN1701 SWALLOWCLIFFE STREAM UPSTREAM OF RAILWAY
Sampling point ID	SW-RSN1701
Type	Freshwater – Rivers
Status	open
Location	easting northing: 395305 129409 lat lon: 51.063993, -2.068369
Area	Wessex
Sub-Area	East Wessex
Summary	23 samples taken between 2023 and 2021

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

Alky pH 4.5
Ammonia(N)
C - Org Filt
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
Nitrogen - N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
SiO2 Rv
Temp Water
pH

Displaying the twenty most recent samples. You can see all 23 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Jun 2022 to 14 Mar 2023

Notation	Determinand	Units	15 Jun 2022 10:13	15 Jul 2022 12:11	2 Aug 2022 10:04	30 Sep 2022 09:26	18 Oct 2022 10:41	14 Nov 2022 12:15	13 Dec 2022 12:57	23 Jan 2023 13:03	6 Feb 2023 13:09	14 Mar 2023 12:08
0061	pH		7.78	7.82	7.76	7.78	7.87	7.75	7.75	7.61	7.76	7.71
0076	Temperature of Water	°C	13.8	15.8	17.4	9	10.2	12.7	4.9	6.3	7.5	8.3
0077	Conductivity at 25 C	μs/cm	535	540	543	541	520	506	541	537	544	454
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.035	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.8	5.6	5.6	5.7	5	5	6.5	7	6.7	4.8
0117	Nitrate as N	mg/l	5.78	5.59	5.59	5.69	4.99	4.98	6.48	6.99	6.69	4.79
0118	Nitrite as N	mg/l	0.022	0.015	0.012	0.0061	0.0093	0.019	0.017	0.0084	0.012	0.0088
0119	Ammonia un-ionised as N	mg/l	< 0.00044	0.00065	< 0.00055	< 0.00031	< 0.00041	< 0.00038	< 0.00021	< 0.00017	< 0.00026	< 0.00025
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	200	190	200	190	180	180	200	200	200	170
0180	Orthophosphate, reactive as P	mg/l	0.19	0.19	0.21	0.2	0.23	0.2	0.17	0.14	0.15	0.13
9901	Oxygen, Dissolved, % Saturation	%	98.5	93.9	91.2	103.3	88.1	95.2	97.2	96.3	97.4	101.2
9924	Oxygen, Dissolved as O2	mg/l	10.2	9.28	8.72	11.9	9.88	10.1	12.4	11.9	11.7	11.9

Samples from 15 Apr 2021 to 12 May 2022

Notation	Determinand	Units	15 Apr 2021 12:00	14 Jun 2021 11:54	7 Jul 2021 13:07	27 Jul 2021 13:20	8 Sep 2021 13:30	5 Oct 2021 12:25	13 Oct 2021 10:09	3 Nov 2021 12:16	20 Apr 2022 12:59	12 May 2022 11:23
0061	pH		7.92	7.81	8.14	7.89	7.86	7.63	7.84	7.95	8.07	7.93
0076	Temperature of Water	°C	9.4	16.4	15.4	18.1	15.3	12.4	10.9	8.3	12.7	12.3
0077	Conductivity at 25 C	μs/cm	531	533	570	535	535	362	526	438	534	536
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.07	< 0.03	0.034	< 0.03	0.07	< 0.03	0.037	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.2	5.8	5.2	3.9	5.6	3.4	5.7	3.5	6.5	5.8
0117	Nitrate as N	mg/l	6.19	5.75	5.17	3.88	5.59	3.38	5.69	3.49	6.49
0118	Nitrite as N	mg/l	0.0096	0.046	0.031	0.025	0.011	0.019	0.014	0.015	0.013
0119	Ammonia un-ionised as N	mg/l	< 0.00044	0.00133	< 0.00081	0.00087	< 0.00059	0.00066	< 0.00041	0.00053	< 0.00067	< 0.00055
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	190	190	190	200	190	120	200	170	190	200
0172	Chloride	mg/l	21	21	21	20	21	18	21	19
0180	Orthophosphate, reactive as P	mg/l	0.13	0.19	0.18	0.21	0.22	0.22	0.23	0.16	0.15	0.17
0182	Silica, reactive as SiO2	mg/l	15	18	19	12	19	14	20	12
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.4	1.9	2.3	3.1	1.6	8.7	1.5	8.5
0348	Phosphorus, Total as P	mg/l	0.14	0.24	0.21	0.28	0.24	0.33	0.26	0.18
9686	Nitrogen, Total as N	mg/l	6.4	6.1	5.7	4.4	5.9	4.5	6	4
9901	Oxygen, Dissolved, % Saturation	%	125.7	92.3	96.4	92.5	97.8	92.2	90.4	91.2	122.6	102.4
9924	Oxygen, Dissolved as O2	mg/l	14.4	9.01	9.61	8.71	9.77	9.82	9.97	10.7	13	10.9

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sampling point Swallowcliffe Stream U/S Of Railway

Determinands

Sampling results

Samples from 15 Jun 2022 to 14 Mar 2023

Samples from 15 Apr 2021 to 12 May 2022

sampling point
Swallowcliffe Stream U/S Of Railway