sampling point
Sydling D/S Oflower Magiston Farm

Description	RSN1685 SYDLING DOWNSTREAM OFLOWER MAGISTON FARM
Sampling point ID	SW-RSN1685
Type	Freshwater – Rivers
Status	open
Location	easting northing: 363568 95960 lat lon: 50.762077, -2.517907
Area	Wessex
Sub-Area	East Wessex
Summary	12 samples taken during 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.

16 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
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
SiO2 Rv
Temp Water
pH

Samples from 18 Mar 2021 to 6 Dec 2021

Notation	Determinand	Units	18 Mar 2021 10:05	14 Apr 2021 11:31	21 May 2021 14:12	17 Jun 2021 13:26	28 Jul 2021 13:21	26 Aug 2021 13:05	22 Sep 2021 11:43	15 Oct 2021 10:16	10 Nov 2021 11:06	6 Dec 2021 11:13
0061	pH		8.02	8.17	8.14	8.04	8.13	7.84	8.04	7.85	7.74	8.17
0076	Temperature of Water	°C	9.2	10.6	11.5	15.1	15.4	14.9	13.1	11.8	11.6	8
0077	Conductivity at 25 C	μs/cm	529	509	546	534	532	510	523	515	527	529
0111	Ammoniacal Nitrogen as N	mg/l	0.006	0.0089	0.6	0.017	0.023	0.062	0.03	0.053	0.033	0.02
0116	Nitrogen, Total Oxidised as N	mg/l	5.5	5.4	5	5	3.6	5.2	5	5.4	5.4	5.3
0117	Nitrate as N	mg/l	5.49	5.39	4.98	4.98	3.58	5.14	4.97	5.36	5.39	5.29
0118	Nitrite as N	mg/l	0.0051	0.0079	0.016	0.022	0.022	0.057	0.028	0.04	0.012	0.01
0119	Ammonia un-ionised as N	mg/l	0.0001	0.00017	0.0122	0.00045	0.00062	0.00113	0.00069	0.00079	0.00038	0.00032
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	230	220	230	230	230	220	230	220	230	230
0172	Chloride	mg/l	17	16	16	17	17	17	17	17	17	16
0180	Orthophosphate, reactive as P	mg/l	0.033	0.048	0.73	0.046	0.089	0.16	0.11	0.068	0.052	0.057
0182	Silica, reactive as SiO2	mg/l	8.1	6.8	8.1	7.7	8	8	8.6	8.1	8.6	8.6
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.66	0.7	1.9	1	0.99	0.98	1.1	1	0.78	0.84
0348	Phosphorus, Total as P	mg/l	0.04	0.053	0.99	0.052	0.096	0.18	0.12	0.075	0.056	0.065
9901	Oxygen, Dissolved, % Saturation	%	103.2	99.3	101.5	109.8	114.9	105.9	102.2	96.2	89.3	99.6
9924	Oxygen, Dissolved as O2	mg/l	11.8	11	11	11	11.5	10.7	10.7	10.4	9.69	11.8

Samples from 19 Jan 2021 to 4 Feb 2021

Notation	Determinand	Units	19 Jan 2021 12:07	4 Feb 2021 12:28
0061	pH		8.01	7.92
0076	Temperature of Water	°C	10.3	9.9
0077	Conductivity at 25 C	μs/cm	531	544
0111	Ammoniacal Nitrogen as N	mg/l	0.012	0.013
0116	Nitrogen, Total Oxidised as N	mg/l	5.4	5.1
0117	Nitrate as N	mg/l	5.39	5.09
0118	Nitrite as N	mg/l	0.0063	0.0055
0119	Ammonia un-ionised as N	mg/l	0.00022	0.0002
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	230	240
0172	Chloride	mg/l	17	16
0180	Orthophosphate, reactive as P	mg/l	0.056	0.064
0182	Silica, reactive as SiO2	mg/l	8.2	8.5
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.83	0.77
0348	Phosphorus, Total as P	mg/l	0.069	0.073
9901	Oxygen, Dissolved, % Saturation	%	102.5	100.4
9924	Oxygen, Dissolved as O2	mg/l	11.5	11.3