sampling point
Darleyford Stream D/S Henwood Stw

Description	DARLEYFORD STREAM BELOW HENWOOD STW
Sampling point ID	SW-91253477
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 226800 73150 lat lon: 50.532419, -4.445247
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 12:50	18 Feb 2016 13:32	23 Mar 2016 12:30	12 Apr 2016 13:20	13 May 2016 12:23	15 Jun 2016 14:01	26 Jul 2016 12:35	10 Aug 2016 14:04	13 Sep 2016 12:30	4 Oct 2016 14:20
0050	Lead	μg/l	< 2	< 2	< 2	< 2	< 2	< 2	< 2	< 2	< 2	2.62
0052	Lead, Dissolved	μg/l	< 0.1	0.233	< 0.1	0.126	< 0.1	0.173	0.119	< 0.1	< 0.1	0.111
0061	pH		6.48	6.52	6.94	6.7	6.8	6.8	6.62	7.1	6.65	6.53
0076	Temperature of Water	°C	10.3		10.3	11.1	11.6	11.9	12.8	12.2	12.9	12
0077	Conductivity at 25 C	μs/cm	81.1	73	81.3	80.3	86	83.9	98.6	85.7	90.3	78
0106	Cadmium, Dissolved	μg/l	0.0145	0.015	0.0142	0.0149	0.0148	0.0141	0.0143	0.0212	0.0256	0.0155
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	0.044	0.051	0.124	0.128	0.202	0.334	0.453	0.29	0.358	0.165
0116	Nitrogen, Total Oxidised as N	mg/l	1.26	1.24	1.21	1.16	1.28	1.27	1.49	1.35	1.63	1.25
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	0.0096	0.0105	0.0148	0.0192	0.0241	0.0147
0135	Solids, Suspended at 105 C	mg/l	4.97	4.25	6.9	12.5	< 3	25	< 3	< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	15.4	15.6	15.4	15.2	15.4	16.3	15.6	14.7	15.7	14.4
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	6	7	7	6	< 5	9	8	8	8	7
0172	Chloride	mg/l	13.3	12.7	12.3	12.7	12.5	12.4	12.8	12.6	13.3	12.5
0177	Fluoride	mg/l	0.051	0.066	0.054	< 0.05	0.062	0.057	0.055	0.066	0.08	0.072
0180	Orthophosphate, reactive as P	mg/l	0.01	< 0.01	0.017	0.022	0.035	0.096	0.146	0.117	0.148	0.077
0182	Silica, reactive as SiO2	mg/l	4.12	4.02	4.44	4.19	4.35	4.42	4.57	4.47	4.84	4.45
0183	Sulphate as SO4	mg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l	6.88	7.3	7.16	7.24	7.59	7.57	8.05	7.68	7.99	7.97
0207	Sodium	mg/l	8.62	7.16	7.13	6.95	7.85	7.33	7.75	8.6	8.19	8.27
0209	Potassium, Dissolved	mg/l	1.2	1.18	1.19	1.13	1.25	1.41	1.35	1.34	1.48	1.18
0211	Potassium	mg/l	1.09	1.19	1.28	1.06	1.24	1.38	1.34	1.41	1.53	1.25
0235	Magnesium, Dissolved	mg/l	1.1	1.1	1.1	1.1	1.1	1.12	1.14	1.13	1.16	1.15
0237	Magnesium	mg/l	1.19	1.13	1.1	1.1	1.15	1.17	1.12	1.22	1.14	1.17
0239	Calcium, Dissolved	mg/l	4.37	4.42	4.35	4.29	4.37	4.67	4.35	4.03	4.37	3.87
0241	Calcium	mg/l	4.83	4.49	4.43	4.72	4.4	4.46	4.2	4.47	4.32	3.99
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.67	0.47	0.42	0.57	0.64	1.07	0.72	0.8	0.96	0.7
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3169	pH : In Situ		6.14		6.46	6.46	6.72	6.45	6.41	6.33	6.44	6.36
3408	Zinc, Dissolved	μg/l	3.51	3.55	3.04	3.08	2.68	4.66	4.06	3.96	4.96	3.28
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	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	64.4	61.4	41.4	44.7	38.4	39	39.7	35	34.5	34.4
6050	Manganese	μg/l	14.1	13.1	12.1	16.2	12.8	13.7	12.1	12.5	12.6	13
6051	Iron	μg/l	74.6	69.7	64.1	134	53.2	45.8	33.7	54.8	40.2	60.1
6057	Aluminium	μg/l	154	152	133	199	89.3	81.5	60.4	81.5	67	70.8
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	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	1.64	1.81	1.63	1.84	2.4	2.57	2.1	2.4	2.84	2.01
6452	Copper	μg/l	2.3	2.53	2.39	2.96	3	3.24	2.88	3.31	3.76	3.13
6455	Zinc	μg/l	< 5	< 5	< 5	< 5	< 5	5.41	< 5	6.71	7.52	6.18
6458	Manganese, Dissolved	μg/l	11.3	11.2	10.7	12.7	11.4	12.2	11.8	10.4	11.3	10.7
6460	Iron, Dissolved	μg/l	< 30	< 30	< 30	< 30	< 30	< 30	< 30	< 30	< 30	< 30
6462	Nickel	μg/l	< 1	< 1	< 1	< 1	< 1	< 1	< 1	< 1	< 1	< 1
6693	Strontium, Filtered	μg/l	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20
7044	Ionic Balance	%	-3.34	-9.34	-8.83	-7.96	-4.48	-10.3	-10.7	-5.54	-9.88	-6.95
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 12:51
0050	Lead	μg/l	< 2
0052	Lead, Dissolved	μg/l	< 0.1
0061	pH		6.74
0106	Cadmium, Dissolved	μg/l	0.0154
0108	Cadmium	μg/l	< 0.1
0111	Ammoniacal Nitrogen as N	mg/l	0.077
0116	Nitrogen, Total Oxidised as N	mg/l	1.2
0118	Nitrite as N	mg/l	< 0.004
0135	Solids, Suspended at 105 C	mg/l	< 3
0158	Hardness, Total as CaCO3	mg/l	15.2
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	< 5
0172	Chloride	mg/l	13
0177	Fluoride	mg/l	< 0.05
0180	Orthophosphate, reactive as P	mg/l	0.016
0182	Silica, reactive as SiO2	mg/l	4.38
0183	Sulphate as SO4	mg/l	< 10
0205	Sodium, Dissolved	mg/l	6.93
0207	Sodium	mg/l	8.03
0209	Potassium, Dissolved	mg/l	1.14
0211	Potassium	mg/l	1.09
0235	Magnesium, Dissolved	mg/l	1.09
0237	Magnesium	mg/l	1.2
0239	Calcium, Dissolved	mg/l	4.28
0241	Calcium	mg/l	4.71
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.62
3164	Chromium	μg/l	< 0.5
3408	Zinc, Dissolved	μg/l	2.86
3409	Chromium, Dissolved	μg/l	< 0.5
3410	Nickel, Dissolved	μg/l	< 0.5
4201	Lithium, Dissolved	μg/l	< 100
6037	Aluminium, Dissolved	μg/l	52.5
6050	Manganese	μg/l	15.5
6051	Iron	μg/l	75
6057	Aluminium	μg/l	145
6059	Boron	μg/l	< 100
6062	Barium	μg/l	< 10
6063	Strontium	μg/l	< 20
6064	Lithium	μg/l	< 100
6450	Copper, Dissolved	μg/l	1.46
6452	Copper	μg/l	2.18
6455	Zinc	μg/l	< 5
6458	Manganese, Dissolved	μg/l	11.4
6460	Iron, Dissolved	μg/l	< 30
6462	Nickel	μg/l	< 1
6693	Strontium, Filtered	μg/l	< 20
7044	Ionic Balance	%	-3.35
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 Darleyford Stream D/S Henwood Stw

Determinands

Sampling results

Samples from 15 Jan 2016 to 4 Oct 2016

Sample on 16 Dec 2015

sampling point
Darleyford Stream D/S Henwood Stw