sampling point
Darleyford Stream At Darleyford

Description	DARLEYFORD STREAM AT DARLEYFORD
Sampling point ID	SW-91253453
Type	Freshwater – Rivers
Status	open
Location	easting northing: 227433 73070 lat lon: 50.531888, -4.436286
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	13 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 23 Mar 2016 to 2 Nov 2016

Notation	Determinand	Units	23 Mar 2016 12:05	12 Apr 2016 12:45	9 May 2016 11:52	13 May 2016 12:10	15 Jun 2016 13:42	26 Jul 2016 12:15	10 Aug 2016 13:30	13 Sep 2016 11:59	4 Oct 2016 13:53	2 Nov 2016 11:00
0050	Lead	μg/l	13.9	3.02	< 2	< 2	10.6	< 2	< 2	< 2	5.44	< 2
0052	Lead, Dissolved	μg/l	0.157	0.112	< 0.1	< 0.1	0.294	< 0.1	< 0.1	1.78	0.112	< 0.1
0061	pH		6.89	6.94	6.7	6.83	6.96	6.98	6.87	6.9	6.76	6.78
0076	Temperature of Water	°C	9.88	11.1	12.9	13	12.6	14	12.7	14.5	12.6	10.3
0077	Conductivity at 25 C	μs/cm	88	88.8	88.7	92	92.8	92.1	87.9	95.5	88.6	89.3
0106	Cadmium, Dissolved	μg/l	0.177	0.144	0.145	0.146	0.179	0.155	0.184	0.165	0.177	0.166
0108	Cadmium	μg/l	0.175	0.15	0.145	0.155	0.229	0.16	0.201	0.165	0.18	0.165
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.037	0.033	< 0.03	0.035	0.051	0.046	0.038	0.034	0.045
0116	Nitrogen, Total Oxidised as N	mg/l	1.28	1.28	1.36	1.31	1.34	1.45	1.27	1.44	1.23	1.35
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.0041	0.0047	< 0.004	0.0055
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	< 3	3.03	< 3	3.15	3.78	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	17.1	17.7	16.7	17.1	18.1	16.3	16.3	17.2	16.8	16.9
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	7	5	< 5	6	7	6	6	5	7	7
0172	Chloride	mg/l	13	13.4	13.3	13.2	13.7	13.2	13.3	14.2	13.4	13.5
0177	Fluoride	mg/l	0.143	0.12	0.131	0.144	0.122	0.134	0.153	0.144	0.152	0.147
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	0.019	0.029	0.027	0.03	0.028	0.023
0182	Silica, reactive as SiO2	mg/l	4.93	4.55	4.93	4.84	5.01	5.12	5.14	5.39	5.19	5.27
0183	Sulphate as SO4	mg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l	7.43	7.42	7.42	7.65	8.46	7.64	7.72	7.99	7.8	7.38
0207	Sodium	mg/l	7.59	7.1	7.96	7.77	8.34	8.47	8.8	8.3	8.17	7.65
0209	Potassium, Dissolved	mg/l	1.61	1.3	1.42	1.45	1.71	1.46	1.48	1.7	1.6	1.38
0211	Potassium	mg/l	1.7	1.46	1.55	1.48	1.74	1.5	1.46	1.6	1.63	1.55
0235	Magnesium, Dissolved	mg/l	1.4	1.4	1.36	1.41	1.51	1.36	1.4	1.48	1.41	1.46
0237	Magnesium	mg/l	1.43	1.42	1.39	1.43	1.56	1.44	1.55	1.46	1.44	1.44
0239	Calcium, Dissolved	mg/l	4.55	4.77	4.45	4.51	4.77	4.29	4.23	4.45	4.39	4.36
0241	Calcium	mg/l	4.64	5.07	4.49	4.56	4.61	4.5	4.73	4.52	4.51	4.46
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.46	0.69	0.73	0.46	1.12	0.58	0.62	0.96	0.67	0.83
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	0.587	< 0.5	< 0.5	< 0.5	0.637	< 0.5
3169	pH : In Situ		6.91	7.15	6.99	7.17	6.86	7.17	6.75	6.9	6.87	6.94
3408	Zinc, Dissolved	μg/l	83.9	65	66.5	65.6	85.5	76.7	90.1	77.2	83	81.6
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	1.07	0.862	0.934	0.971	1.14	1.05	1.14	1.21	1.26	1.19
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	35.8	36.8	30.2	28.3	49.3	20.8	20.2	39.2	22.9	21.1
6050	Manganese	μg/l	38.7	38	32.1	34.5	56.9	34.9	42	41.7	145	48
6051	Iron	μg/l	130	286	43.3	84.1	475	37.5	120	< 30	273	72.7
6057	Aluminium	μg/l	109	181	46.4	65.9	245	37.5	40.5	22.7	58.2	45.5
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10	< 10	10.5	< 10	< 10	< 10	16.1	< 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	249	196	178	182	185	180	223	201	190	192
6452	Copper	μg/l	258	192	164	177	209	179	213	177	192	193
6455	Zinc	μg/l	87.1	71.8	68.1	73.5	127	88.4	98.7	77.5	93.1	84.9
6458	Manganese, Dissolved	μg/l	36	32.9	31.3	32	42.3	32.9	38.2	42.6	143	47
6460	Iron, Dissolved	μg/l	< 30	< 30	< 30	< 30	32.3	< 30	< 30	76.3	38	< 30
6462	Nickel	μg/l	1.25	1.33	1.09	1.15	1.7	1.34	1.23	1.12	1.87	1.3
6693	Strontium, Filtered	μg/l	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20	< 20
7044	Ionic Balance	%	-5.43	-4.1	-3.71	-4.8	-4.03	-3.47	-0.632	-4.08	-4.7	-7.25
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

Samples from 16 Dec 2015 to 18 Feb 2016

Notation	Determinand	Units	16 Dec 2015 12:30	15 Jan 2016 12:15	18 Feb 2016 13:01
0050	Lead	μg/l	< 2	< 2	2.3
0052	Lead, Dissolved	μg/l	< 0.1	0.122	0.143
0061	pH		6.86	6.56	6.81
0076	Temperature of Water	°C		8.8
0077	Conductivity at 25 C	μs/cm		91.3	89
0106	Cadmium, Dissolved	μg/l	0.142	0.121	0.129
0108	Cadmium	μg/l	0.143	0.132	0.146
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.59	1.67	1.52
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l	< 3	3.72	5.9
0158	Hardness, Total as CaCO3	mg/l	19.1	17.6	18.9
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	8	6	7
0172	Chloride	mg/l	13.7	13.9	14.2
0177	Fluoride	mg/l	0.11	0.112	0.119
0180	Orthophosphate, reactive as P	mg/l	0.019	< 0.01	0.022
0182	Silica, reactive as SiO2	mg/l	4.67	4.34	4.25
0183	Sulphate as SO4	mg/l	< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l	8.2	7.3	7.9
0207	Sodium	mg/l	8.61	10.2	7.63
0209	Potassium, Dissolved	mg/l	1.7	1.6	1.81
0211	Potassium	mg/l	1.77	1.45	1.87
0235	Magnesium, Dissolved	mg/l	1.52	1.36	1.47
0237	Magnesium	mg/l	1.6	1.54	1.44
0239	Calcium, Dissolved	mg/l	5.15	4.79	5.16
0241	Calcium	mg/l	5.4	5.37	5.05
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.89	0.72	0.86
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5
3169	pH : In Situ			6.74
3408	Zinc, Dissolved	μg/l	62.3	52.6	55.3
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	0.836	0.763	0.848
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	48.3	50.7	44
6050	Manganese	μg/l	36.5	37.7	44.9
6051	Iron	μg/l	85.6	118	160
6057	Aluminium	μg/l	105	143	167
6059	Boron	μg/l	< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10
6063	Strontium	μg/l	< 20	< 20	< 20
6064	Lithium	μg/l	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	219	208	206
6452	Copper	μg/l	220	213	203
6455	Zinc	μg/l	62.5	55.4	59.9
6458	Manganese, Dissolved	μg/l	32.4	32.8	39.8
6460	Iron, Dissolved	μg/l	< 30	< 30	< 30
6462	Nickel	μg/l	< 1	< 1	1.01
6693	Strontium, Filtered	μg/l	< 20	< 20	< 20
7044	Ionic Balance	%	-2.78	2.12	-6.64
7859	Sulphate, Dissolved as SO4	mg/l	< 10	< 10	< 10
9446	Barium, Dissolved	μg/l	< 10	11.2	< 10
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100

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sampling point Darleyford Stream At Darleyford

Determinands

Sampling results

Samples from 23 Mar 2016 to 2 Nov 2016

Samples from 16 Dec 2015 to 18 Feb 2016

sampling point
Darleyford Stream At Darleyford