sampling point
Marke Valley Stream At Shenstones

Description	MARKE VALLEY STREAM AT SHENSTONES
Sampling point ID	SW-91253145
Type	Freshwater – Rivers
Status	open
Location	easting northing: 226808 71502 lat lon: 50.517615, -4.444368
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	19 samples taken between 2024 and 2016

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.

52 determinands have been measured at this site

Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
B - Filtered
Ba- Filtered
Barium - Ba
Boron - as B
C - Org Filt
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd Filtered
Chloride Ion
Chromium -Cr
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu Filtered
Fe- Filt
Fluoride - F
Hardness
IonicBalance
Iron - as Fe
K- Filtered
Lead - as Pb
Lithium - Li
Lithium Filt
Magnesium-Mg
Manganse-Mn
Mg Filtered
Mn- Filtered
N Oxidised
Na- Filtered
Ni- Filtered
Nickel - Ni
Nitrite-N
Orthophospht
Pb Filtered
Potassium- K
SO4dis
SiO2 Rv
Sld Sus@105C
Sodium - Na
Strontium-Sr
StrontumFilt
Sulphate SO4
Temp Water
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Samples from 5 Oct 2016 to 27 Mar 2024

Notation	Determinand	Units	5 Oct 2016 15:30	16 Nov 2016 15:48	6 Dec 2016 16:10	19 Jan 2017 16:00	12 Jan 2024 11:54	18 Jan 2024 11:57	9 Feb 2024 11:04	26 Feb 2024 10:22	11 Mar 2024 12:44	27 Mar 2024 11:36
0050	Lead	μg/l	< 2	< 2	< 2	< 2
0052	Lead, Dissolved	μg/l	< 0.1	< 0.1	0.146	0.137	< 0.1	< 0.1	0.17	< 0.1	< 0.1	< 0.1
0061	pH		6.61	6.32	6.42	6.32	5.48	5.45	5.75	5.65	5.59	5.66
0076	Temperature of Water	°C	11.2	10.7	10.2	9.3
0077	Conductivity at 25 C	μs/cm	69.2	71.4	70.3	70.5
0106	Cadmium, Dissolved	μg/l	0.0334	0.034	0.0317	0.0308	0.032	0.033	0.033	0.032	0.038	0.03
0108	Cadmium	μg/l	< 0.1	< 0.1	< 0.1	< 0.1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.77	0.84	0.74	0.87
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	11.6	11.4	11.1	12.1
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	5	< 5	< 5	5
0172	Chloride	mg/l	12.3	12.5	12.6	12.6
0177	Fluoride	mg/l	0.101	0.081	0.074	0.079
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01
0182	Silica, reactive as SiO2	mg/l	4.97	4.9	5.03	4.84
0183	Sulphate as SO4	mg/l	< 10	< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l	7.2	6.83	6.92	7.51
0207	Sodium	mg/l	7.32	7.06	6.9	7.19
0209	Potassium, Dissolved	mg/l	1.12	1.03	1.08	1.12
0211	Potassium	mg/l	1.08	1.08	1.01	1.05
0235	Magnesium, Dissolved	mg/l	1.45	1.4	1.41	1.49	1.2	1.2	0.91	1	1.2	1
0237	Magnesium	mg/l	1.43	1.44	1.43	1.43
0239	Calcium, Dissolved	mg/l	2.24	2.26	2.13	2.38	2.5	2.1	2.8	3.2	2.4	2.7
0241	Calcium	mg/l	2.21	2.36	2.12	2.31
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.36	0.53	0.24	< 0.2	0.39	0.36	2.3	0.94	0.53	0.86
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	< 0.5
3169	pH : In Situ		6.19	6.09	7.47	6.14
3408	Zinc, Dissolved	μg/l	9.01	12.2	10.1	9.52	9.3	9.1	10	9.3	9.5	9.3
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	0.856	0.838	0.85	0.812	0.84	0.73	0.65	0.64	0.69	0.64
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	64.4	79.5	134	91	130	150	150	96	130	110
6050	Manganese	μg/l	30.2	27.6	28	26.8
6051	Iron	μg/l	< 30	48.7	< 30	< 30
6057	Aluminium	μg/l	90.3	137	94.7	99.4
6059	Boron	μg/l	< 100	< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10	< 10
6063	Strontium	μg/l	< 20	< 20	< 20	< 20
6064	Lithium	μg/l	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	40	38	42.1	38.5	37	45	22	22	36	25
6452	Copper	μg/l	37.3	37.9	39.4	38.5
6455	Zinc	μg/l	8.85	10	9.95	9.09
6458	Manganese, Dissolved	μg/l	30.3	25.6	28	27.4
6460	Iron, Dissolved	μg/l	< 30	< 30	39.3	< 30
6462	Nickel	μg/l	< 1	< 1	< 1	< 1
6693	Strontium, Filtered	μg/l	< 20	< 20	< 20	< 20
7044	Ionic Balance	%	-10.6	-11.6	-13.2	-11.8
7859	Sulphate, Dissolved as SO4	mg/l	< 10	< 10	< 10	< 10
9446	Barium, Dissolved	μg/l	< 10	< 10	< 10	< 10
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100

Samples from 25 Feb 2016 to 14 Sep 2016

Notation	Determinand	Units	25 Feb 2016 15:10	22 Mar 2016 14:01	25 Apr 2016 17:00	12 May 2016 16:00	27 May 2016 14:30	17 Jun 2016 15:15	27 Jul 2016 14:27	16 Aug 2016 15:58	14 Sep 2016 14:40
0050	Lead	μg/l	< 2	< 2	< 2	< 2	< 2	< 2	< 2	< 2	< 2
0052	Lead, Dissolved	μg/l	< 0.1	< 0.1	< 0.1	< 0.1	0.101	< 0.1	< 0.1	< 0.1	< 0.1
0061	pH		6.33	6.27	6.43	6.58	7.28	6.66	6.53	6.59	6.59
0076	Temperature of Water	°C	9.8	10.2	10.2	11.8	11.7	11.4	11.8		11.8
0077	Conductivity at 25 C	μs/cm	69.8	67.8	80	71.2	68.8	69.3	68.7	60	70.7
0106	Cadmium, Dissolved	μg/l	0.0373	0.0377	0.0347	0.0318	0.037	0.0428	0.0355	0.033	0.0317
0108	Cadmium	μg/l	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1
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
0116	Nitrogen, Total Oxidised as N	mg/l	0.62	0.61	0.64	0.65	0.78	0.72	0.69	0.67	0.7
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	< 3	< 3	< 3	< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	11.7	10.9	10.9	10.9	11.3	11.6	11.1	11.1	11.3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	5	< 5	5	< 5	5	5	< 5	< 5	< 5
0172	Chloride	mg/l	12.3	12.5	12.2	12.2	12.4	13.2	13	12.8	12.8
0177	Fluoride	mg/l	0.061	0.085	0.06	0.095	0.068	0.089	0.079	0.088	0.101
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
0182	Silica, reactive as SiO2	mg/l	4.2	4.48	4.59	4.79	4.64	4.95	5.29	5.26	5.47
0183	Sulphate as SO4	mg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l	7.29	7.01	7.5	7.11	7.69	9.15	7.1	7.06	7.06
0207	Sodium	mg/l	6.99	6.95	9.59	6.84	7.6	7.21	6.85	8.16	7.27
0209	Potassium, Dissolved	mg/l	1.04	1.02	0.927	1.01	1.02	1.03	1.01	1	1.05
0211	Potassium	mg/l	1.05	1.01	0.961	1.04	0.985	1.03	0.983	1.1	1.1
0235	Magnesium, Dissolved	mg/l	1.27	1.36	1.37	1.39	1.37	1.46	1.42	1.44	1.47
0237	Magnesium	mg/l	1.24	1.32	1.4	1.34	1.45	1.43	1.43	1.45	1.44
0239	Calcium, Dissolved	mg/l	2.61	2.14	2.09	2.06	2.26	2.22	2.12	2.08	2.1
0241	Calcium	mg/l	2.53	2.14	2.27	2.07	2.37	2.12	2.02	2.13	2.09
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.37	0.22	0.37	0.24	0.57	0.75	0.53	0.28	0.26
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3169	pH : In Situ		6.04	5.97	6.2	6.4	6.26	6.3	6.05		6.24
3408	Zinc, Dissolved	μg/l	10.1	9.42	9.29	8.34	8.47	8.7	8.91	8.33	9.17
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	0.763	0.792	0.745	0.764	0.797	0.768	0.844	0.803	0.802
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	99.4	118	74.7	66.2	68.8	59	65.6	63.9	63.8
6050	Manganese	μg/l	21	23.8	27	24.3	24.5	27.1	30.8	29.8	29.8
6051	Iron	μg/l	31.5	< 30	51.8	< 30	< 30	< 30	< 30	< 30	< 30
6057	Aluminium	μg/l	112	124	126	75.7	75.4	76.7	76.1	80.9	77
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	10.1	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
6063	Strontium	μg/l	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	32.9	42	37.3	36.7	40.2	38.9	40.3	40.5	39.5
6452	Copper	μg/l	31.1	37.9	37.3	34.2	32.7	37.6	40.3	38	38.7
6455	Zinc	μg/l	9.24	9.06	11.1	9.08	8.43	10.7	8.76	12.2	9.24
6458	Manganese, Dissolved	μg/l	20.7	24.4	23.9	24.7	23.7	26.4	30.3	29.5	29.9
6460	Iron, Dissolved	μg/l	< 30	< 30	< 30	< 30	< 30	< 30	< 30	< 30	< 30
6462	Nickel	μg/l	< 1	< 1	< 1	1.56	< 1	< 1	< 1	< 1	< 1
6693	Strontium, Filtered	μg/l	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20
7044	Ionic Balance	%	-11.1	-12.9	-2.01	-13	-9.18	-13	-14.4	-8.15	-11.8
7859	Sulphate, Dissolved as SO4	mg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
9446	Barium, Dissolved	μg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100

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sampling point Marke Valley Stream At Shenstones

Determinands

Sampling results

Samples from 5 Oct 2016 to 27 Mar 2024

Samples from 25 Feb 2016 to 14 Sep 2016

sampling point
Marke Valley Stream At Shenstones