sampling point
Lynher At Starabridge

Description	RIVER LYNHER AT STARABRIDGE ABOVE DARLEYFORD STREAM
Sampling point ID	SW-91251668
Type	Freshwater – Rivers
Status	open
Location	easting northing: 228948 73814 lat lon: 50.539017, -4.415271
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	11 samples taken between 2016 and 2015

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 15 Jan 2016 to 4 Oct 2016

Notation	Determinand	Units	15 Jan 2016 11:56	18 Feb 2016 11:40	23 Mar 2016 11:30	12 Apr 2016 12:30	13 May 2016 10:56	15 Jun 2016 13:26	26 Jul 2016 11:49	10 Aug 2016 13:11	13 Sep 2016 10:20	4 Oct 2016 13:30
0050	Lead	μg/l	< 2	2.32	< 2	< 2	< 2	2.3	< 2	< 2	< 2	< 2
0052	Lead, Dissolved	μg/l	0.256	0.33	< 0.1	0.145	< 0.1	0.366	< 0.1	< 0.1	< 0.1	0.1
0061	pH		7.28	7.46	7.37	7.47	7.57	7.28	7.6	7.5	7.54	7.26
0076	Temperature of Water	°C	7.1	7.2	7.3	8.9	12.8	13.1	14.8	13.3	15.7	12.3
0077	Conductivity at 25 C	μs/cm	119.3	117.2	113.2	117	113	101	111.1	105.6	110.9	105.1
0106	Cadmium, Dissolved	μg/l	0.0283	0.0253	0.0146	0.018	0.0162	0.0288	0.0148	0.0118	0.0129	0.0136
0108	Cadmium	μg/l	< 0.1	< 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	0.099	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.05	1.9	1.88	1.86	1.69	1.08	1.51	1.27	1.24	1.25
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.0103	< 0.004	< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l	6.47	4.8	8.4	< 3	< 3	30.1	6.17	< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	29.7	28.3	28.7	30.6	29.5	22.8	27.6	24.1	26	24.1
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	15	15	14	17	18	14	17	15	16	13
0172	Chloride	mg/l	16.8	16	15.1	15.2	14.7	14.6	15.1	14.9	14.7	15.4
0177	Fluoride	mg/l	0.065	0.06	0.069	0.06	0.082	0.073	0.073	0.09	0.08	0.099
0180	Orthophosphate, reactive as P	mg/l	0.011	0.011	< 0.01	< 0.01	< 0.01	0.041	0.018	0.012	0.015	0.025
0182	Silica, reactive as SiO2	mg/l	4.99	4.49	5.45	4.77	3.8	4.56	5.69	5.74	6.05	5.89
0183	Sulphate as SO4	mg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l	9.19	8.81	8.7	9.49	8.68	8.59	8.61	8.56	8.66	8.95
0207	Sodium	mg/l	10.5	8.89	8.65	8.59	8.71	8.02	9.04	10.2	9.42	9.16
0209	Potassium, Dissolved	mg/l	1.48	1.53	1.19	1.1	1.16	2.6	1.24	1.14	1.37	1.3
0211	Potassium	mg/l	1.46	1.51	1.29	1.21	1.21	2.53	1.41	1.22	1.46	1.33
0235	Magnesium, Dissolved	mg/l	2.45	2.41	2.51	2.65	2.6	2.04	2.47	2.17	2.38	2.22
0237	Magnesium	mg/l	2.59	2.48	2.5	2.61	2.64	2.15	2.54	2.44	2.4	2.21
0239	Calcium, Dissolved	mg/l	7.85	7.36	7.34	7.89	7.52	5.75	6.98	6.06	6.49	6.01
0241	Calcium	mg/l	8.09	7.5	7.25	7.58	7.58	5.5	6.98	6.68	6.41	6.12
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.45	1.41	0.76	1.17	1.08	4.62	1.5	1.57	2.06	1.77
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	1.38	< 0.5	< 0.5	< 0.5	0.516
3169	pH : In Situ		7.2	7.19	7.47	7.57	7.51	7.36	7.51	7.45	7.44	7.44
3408	Zinc, Dissolved	μg/l	4.43	4.74	3.25	3.38	2.53	4.83	3.12	2.81	2.88	3.17
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	0.589	0.613	< 0.5	< 0.5	< 0.5	1.11	< 0.5	< 0.5	< 0.5	0.567
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	68.8	84.9	37.4	45.5	33.3	70.3	31.5	36	35.2	38
6050	Manganese	μg/l	18.9	19	< 10	< 10	< 10	60.4	17.9	< 10	< 10	< 10
6051	Iron	μg/l	179	191	75.8	87.5	99.5	889	260	159	149	106
6057	Aluminium	μg/l	161	169	78.9	84.6	79.2	603	137	86.6	74	64.3
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
6063	Strontium	μg/l	25.5	24.2	23.6	21.5	24.7	20.4	23.7	22.4	22.5	21.4
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	1.04	0.82	0.674	0.761	1.14	1.93	0.832	0.713	0.795	0.841
6452	Copper	μg/l	2.2	1.64	1.01	< 1	< 1	3.81	2.17	1.45	1.32	1.71
6455	Zinc	μg/l	5.69	5.7	< 5	< 5	< 5	13	6.4	5.98	5.81	5.6
6458	Manganese, Dissolved	μg/l	11.3	12	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
6460	Iron, Dissolved	μg/l	47.8	65.5	< 30	37.4	< 30	127	65.1	59.2	67.1	47.8
6462	Nickel	μg/l	< 1	< 1	< 1	< 1	< 1	2.09	< 1	< 1	< 1	1.11
6693	Strontium, Filtered	μg/l	24.7	23.9	23.8	25.3	24.7	20	23.4	21.1	22.3	21.6
7044	Ionic Balance	%	-0.766	-4.34	-3.52	-5.3	-4.64	-6.07	-4.59	-0.482	-3.33	-3.75
7859	Sulphate, Dissolved as SO4	mg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
9446	Barium, Dissolved	μg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100

Sample on 16 Dec 2015

Notation	Determinand	Units	16 Dec 2015 12:15
0050	Lead	μg/l	< 2
0052	Lead, Dissolved	μg/l	0.161
0061	pH		7.5
0106	Cadmium, Dissolved	μg/l	0.0219
0108	Cadmium	μg/l	< 0.1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.43
0118	Nitrite as N	mg/l	0.0077
0135	Solids, Suspended at 105 C	mg/l	15.4
0158	Hardness, Total as CaCO3	mg/l	23.4
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	15
0172	Chloride	mg/l	14.8
0177	Fluoride	mg/l	< 0.05
0180	Orthophosphate, reactive as P	mg/l	0.019
0182	Silica, reactive as SiO2	mg/l	4.53
0183	Sulphate as SO4	mg/l	< 10
0205	Sodium, Dissolved	mg/l	7.97
0207	Sodium	mg/l	8.89
0209	Potassium, Dissolved	mg/l	1.62
0211	Potassium	mg/l	1.69
0235	Magnesium, Dissolved	mg/l	2.02
0237	Magnesium	mg/l	2.27
0239	Calcium, Dissolved	mg/l	6.04
0241	Calcium	mg/l	6.6
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	3.74
3164	Chromium	μg/l	0.63
3408	Zinc, Dissolved	μg/l	4
3409	Chromium, Dissolved	μg/l	< 0.5
3410	Nickel, Dissolved	μg/l	0.616
4201	Lithium, Dissolved	μg/l	< 100
6037	Aluminium, Dissolved	μg/l	128
6050	Manganese	μg/l	29
6051	Iron	μg/l	593
6057	Aluminium	μg/l	575
6059	Boron	μg/l	< 100
6062	Barium	μg/l	< 10
6063	Strontium	μg/l	21.5
6064	Lithium	μg/l	< 100
6450	Copper, Dissolved	μg/l	0.847
6452	Copper	μg/l	1.52
6455	Zinc	μg/l	7
6458	Manganese, Dissolved	μg/l	< 10
6460	Iron, Dissolved	μg/l	129
6462	Nickel	μg/l	< 1
6693	Strontium, Filtered	μg/l	20.4
7044	Ionic Balance	%	-4.12
7859	Sulphate, Dissolved as SO4	mg/l	< 10
9446	Barium, Dissolved	μg/l	< 10
9447	Boron, Dissolved	μg/l	< 100

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sampling point Lynher At Starabridge

Determinands

Sampling results

Samples from 15 Jan 2016 to 4 Oct 2016

Sample on 16 Dec 2015

sampling point
Lynher At Starabridge