sampling point
Lugg Marden

Description	RSN0586 LUGG MARDEN
Sampling point ID	MD-RSN0586
Type	Freshwater – Rivers
Status	open
Location	easting northing: 351651 247468 lat lon: 52.12339, -2.707612
Area	Shropshire Herefordshire Worcestershire And Gloucestershire
Sub-Area	Shropshire & Wye
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.

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

Samples from 15 Mar 2021 to 2 Dec 2021

Notation	Determinand	Units	15 Mar 2021 13:46	6 Apr 2021 11:49	5 May 2021 11:58	10 Jun 2021 11:43	5 Jul 2021 09:35	4 Aug 2021 11:09	1 Sep 2021 12:31	8 Oct 2021 11:56	16 Nov 2021 12:00	2 Dec 2021 12:05
0061	pH		7.98	8.25	8	8	7.98	7.71	8.18	7.53	7.86	8.17
0076	Temperature of Water	°C	8.7	7.9	9.4	15.7	15.7	15.6	14.1	12.4	9.9	6.2
0077	Conductivity at 25 C	μs/cm	359	472	474	466	501	524	532	401	433	462
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.055	< 0.03	< 0.03	< 0.03	< 0.03	0.038
0116	Nitrogen, Total Oxidised as N	mg/l	4.4	5.6	5.1	5	5.2	5.5	5.7	4.3	4.2	4.4
0117	Nitrate as N	mg/l	4.39	5.59	5.08	4.98	5.17	5.48	5.69	4.29	4.19	4.37
0118	Nitrite as N	mg/l	0.012	0.013	0.02	0.019	0.029	0.017	0.012	0.012	0.013	0.026
0119	Ammonia un-ionised as N	mg/l	< 0.00048	< 0.00047	< 0.00052	< 0.00083	0.00145	< 0.00043	< 0.00074	< 0.00022	< 0.0004	0.00052
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	130	190	170	170	190	300	210	150	160	180
0172	Chloride	mg/l	16	20	22	19	21	23	23	17	17	20
0180	Orthophosphate, reactive as P	mg/l	0.042	0.028	0.053	0.082	0.1	0.099	0.084	0.09	0.07	0.069
0182	Silica, reactive as SiO2	mg/l	6.5	5.4	3.4	6.1	6.4	6.1	6.9	7.7	8.2	7.5
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	2.3	3.7	2.3	1.5	2.3	1.9	1.5	3.7	2	1.8
0348	Phosphorus, Total as P	mg/l	0.07	0.042	0.083	0.12	0.14	0.12	0.11	0.12	0.078	0.078
9686	Nitrogen, Total as N	mg/l	4.9	5.5	5.6	5.2	5.5	5.8	5.9	4.9	4.6	4.9
9901	Oxygen, Dissolved, % Saturation	%	98.8	116.8	99.4	87.5	89.7	95	75.3	108.2	94.9	94.6
9924	Oxygen, Dissolved as O2	mg/l	11.5	13.8	11.4	8.67	8.89	9.43	7.72	11.5	10.7	11.7

Samples from 19 Jan 2021 to 1 Mar 2021

Notation	Determinand	Units	19 Jan 2021 15:17	1 Mar 2021 11:35
0061	pH		7.77	8.11
0076	Temperature of Water	°C	7.3	6.5
0077	Conductivity at 25 C	μs/cm	415	396
0111	Ammoniacal Nitrogen as N	mg/l	0.052	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5	4.7
0117	Nitrate as N	mg/l	4.98	4.69
0118	Nitrite as N	mg/l	0.019	0.012
0119	Ammonia un-ionised as N	mg/l	0.00046	< 0.00042
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	140	140
0172	Chloride	mg/l	20	17
0180	Orthophosphate, reactive as P	mg/l	0.051	0.038
0182	Silica, reactive as SiO2	mg/l	7.5	7.1
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	2	1.6
0348	Phosphorus, Total as P	mg/l	0.047	0.064
9686	Nitrogen, Total as N	mg/l	5.2	5
9901	Oxygen, Dissolved, % Saturation	%	100.4	99.1
9924	Oxygen, Dissolved as O2	mg/l	12.1	12.2