sampling point
Penharget Stream At Mill Lawn Ford

Description	TOKENBURY STREAM (PENHARGET TRIB) AT MILL LAWN FORD
Sampling point ID	SW-91253220
Type	Freshwater – Rivers
Status	open
Location	easting northing: 230755 70767 lat lon: 50.512166, -4.388411
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	14 samples taken between 2017 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 23 Aug 2016 to 24 May 2017

Notation	Determinand	Units	23 Aug 2016 12:30	13 Sep 2016 10:45	28 Oct 2016 11:05	22 Nov 2016 11:55	29 Dec 2016 12:15	18 Jan 2017 11:50	21 Feb 2017 11:40	29 Mar 2017 11:20	8 May 2017 11:10	24 May 2017 11:20
0050	Lead	μg/l	< 2	< 2	< 2	< 2	< 2	< 2	< 2	< 2	< 2	< 2
0052	Lead, Dissolved	μg/l	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	< 0.1	1
0061	pH		7.62	7.52	7.44	7.07	7.41	7.35	7.5	7.43	7.37	7.49
0076	Temperature of Water	°C	16.1	15.5	11.8	10.8	8.1	8.8	10.9	11	11.9	13.8
0077	Conductivity at 25 C	μs/cm	142	142	135	131	136	135	139	136	142	138
0106	Cadmium, Dissolved	μg/l	0.0112	0.0149	0.0108	0.0342	0.0152	0.0163	0.0145	0.0262	0.0168	0.0163
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	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.48	2.22	2.38	2.24	2.74	2.48	2.98	2.85	2.57	2.16
0118	Nitrite as N	mg/l	< 0.004	< 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	23.4	< 3	< 3	< 3	< 3	5.18	< 3
0158	Hardness, Total as CaCO3	mg/l	41.3	39.7	39.1	37.6	39.2	39.3	38.5	40.4	40.2	38.8
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	22	23	23	20	20	21	20	22	22	22
0172	Chloride	mg/l	16	15.9	14.4	15	15.3	15.1	15.8	16.3	15.9	15.6
0177	Fluoride	mg/l	< 0.05	< 0.05	< 0.05	< 0.05	< 0.05	< 0.05	< 0.05	0.068	< 0.05	< 0.05
0180	Orthophosphate, reactive as P	mg/l	0.013	0.012	0.012	0.014	< 0.01	0.011	0.011	0.01	< 0.01	0.011
0182	Silica, reactive as SiO2	mg/l	4.5	4.65	4.41	3.77	4.41	4.37	4.3	4.05	4.54	4.51
0183	Sulphate as SO4	mg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l	8.65	8.2	7.72	7.24	7.88	8.04	8.29	8.26	8.19	8.59
0207	Sodium	mg/l	7.94	8.66	7.93	7.73	7.57	8.42	8.19	8.09	8.44	8.61
0209	Potassium, Dissolved	mg/l	2.09	2.25	1.81	1.82	1.71	1.65	1.82	2.03	1.67	1.65
0211	Potassium	mg/l	2.13	2.39	1.81	2.02	1.74	1.82	1.8	2.01	1.71	1.62
0235	Magnesium, Dissolved	mg/l	3.79	3.71	3.44	3.01	3.46	3.54	3.52	3.5	3.96	3.52
0237	Magnesium	mg/l	3.72	3.94	3.42	3.24	3.42	3.58	3.62	3.46	3.93	3.58
0239	Calcium, Dissolved	mg/l	10.3	9.78	9.99	10.1	10	9.9	9.63	10.4	9.59	9.74
0241	Calcium	mg/l	9.76	9.9	10.3	10.9	9.71	10.3	9.73	10.1	9.88	9.79
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	0.84	1.82	0.64	0.9	0.48	0.43	0.52	0.75	0.62	0.61
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	0.832	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3169	pH : In Situ		7.5	7.4	7.4	7.3	7.4	7.5	7.5	7.5	7.5	7.5
3408	Zinc, Dissolved	μg/l	2.47	3.31	3.51	7.26	5.22	5.65	4.28	5.95	4.22	4.08
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	0.598	< 0.5	< 0.5	< 0.5	0.532	0.517	< 0.5
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l	< 10	< 10	< 10	12.6	< 10	< 10	< 10	10.7	< 10	< 10
6050	Manganese	μg/l	< 10	< 10	< 10	65.8	14.9	< 10	< 10	< 10	< 10	10.8
6051	Iron	μg/l	50	86.8	53.8	846	175	90.2	87.3	126	106	139
6057	Aluminium	μg/l	25.5	29.3	25.3	459	92.2	37.7	39.4	66.7	50.7	63.1
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	< 10	< 10	< 10	10.3	< 10	< 10	< 10	< 10	< 10	< 10
6063	Strontium	μg/l	29.5	31.3	27.4	28	28.5	29.2	30.1	29.9	32.2	29.8
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	0.653	0.795	0.426	0.547	0.318	0.32	0.364	0.612	0.51	0.427
6452	Copper	μg/l	1.07	< 1	< 1	2.25	< 1	< 1	< 1	< 1	< 1	1.49
6455	Zinc	μg/l	< 5	< 5	< 5	18.8	8.12	6.42	5.24	6.99	6.36	6.13
6458	Manganese, Dissolved	μg/l	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10	< 10
6460	Iron, Dissolved	μg/l	< 30	34	< 30	< 30	< 30	< 30	< 30	< 30	< 30	< 30
6462	Nickel	μg/l	< 1	< 1	< 1	1.85	< 1	< 1	< 1	< 1	< 1	< 1
6693	Strontium, Filtered	μg/l	30.7	29.6	27.5	25.6	28.5	28.8	30.5	29.7	31.7	29.4
7044	Ionic Balance	%	-3.37	-0.74	-2.36	0.318	-4.01	-0.384	-3.28	-4.76	-2.09	-1.76
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 9 May 2016 to 13 Jul 2016

Notation	Determinand	Units	9 May 2016 11:45	19 May 2016 12:00	22 Jun 2016 11:35	13 Jul 2016 11:55
0050	Lead	μg/l	< 2	< 2	< 2	< 2
0052	Lead, Dissolved	μg/l		< 0.1	< 0.1	0.133
0061	pH			7.54	7.67	7.76
0076	Temperature of Water	°C		11.9	14.5	13.8
0077	Conductivity at 25 C	μs/cm		192	139	139
0106	Cadmium, Dissolved	μg/l		0.0168	0.0147	0.0179
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
0116	Nitrogen, Total Oxidised as N	mg/l		2.71	2.52	2.4
0118	Nitrite as N	mg/l		< 0.004	< 0.004	< 0.004
0135	Solids, Suspended at 105 C	mg/l		< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l		39.7	42.1	37.4
0162	Alkalinity to pH 4.5 as CaCO3	mg/l		21	23	24
0172	Chloride	mg/l		15.7	15.4	15.7
0177	Fluoride	mg/l		< 0.05	< 0.05	< 0.05
0180	Orthophosphate, reactive as P	mg/l		0.011	0.015	0.011
0182	Silica, reactive as SiO2	mg/l		3.83	4.35	4.28
0183	Sulphate as SO4	mg/l		< 10	< 10	< 10
0205	Sodium, Dissolved	mg/l		8.13	8.79	7.8
0207	Sodium	mg/l		8.99	8.1	8.07
0209	Potassium, Dissolved	mg/l		1.78	2.28	2.11
0211	Potassium	mg/l		1.85	2.25	2.11
0235	Magnesium, Dissolved	mg/l		3.72	3.8	3.5
0237	Magnesium	mg/l		4.01	3.63	3.76
0239	Calcium, Dissolved	mg/l		9.76	10.6	9.19
0241	Calcium	mg/l		10.5	9.98	9.61
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l		0.78	1.35	1.15
3164	Chromium	μg/l	< 0.5	< 0.5	< 0.5	0.807
3169	pH : In Situ				7.5	7.7
3408	Zinc, Dissolved	μg/l		3.47	2.8	3.9
3409	Chromium, Dissolved	μg/l		< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l		< 0.5	< 0.5	0.75
4201	Lithium, Dissolved	μg/l		< 100	< 100	< 100
6037	Aluminium, Dissolved	μg/l		< 10	10.6	10.6
6050	Manganese	μg/l		< 10	< 10	< 10
6051	Iron	μg/l		115	78.8	85.1
6057	Aluminium	μg/l	34.2	59.3	28.7	26.8
6059	Boron	μg/l		< 100	< 100	< 100
6062	Barium	μg/l		< 10	< 10	< 10
6063	Strontium	μg/l		32.8	30	29.6
6064	Lithium	μg/l		< 100	< 100	< 100
6450	Copper, Dissolved	μg/l		1.16	0.93	1.06
6452	Copper	μg/l	< 1	1.38	< 1	1.28
6455	Zinc	μg/l	< 5	< 5	< 5	5.03
6458	Manganese, Dissolved	μg/l		< 10	< 10	< 10
6460	Iron, Dissolved	μg/l		< 30	39.6	35
6462	Nickel	μg/l	< 1	< 1	< 1	< 1
6693	Strontium, Filtered	μg/l		30.7	31.3	28.5
7044	Ionic Balance	%		1.1	-3.03	-4.33
7859	Sulphate, Dissolved as SO4	mg/l		< 10	< 10	< 10
9446	Barium, Dissolved	μg/l		< 10	< 10	< 10
9447	Boron, Dissolved	μg/l		< 100	< 100	< 100

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sampling point Penharget Stream At Mill Lawn Ford

Determinands

Sampling results

Samples from 23 Aug 2016 to 24 May 2017

Samples from 9 May 2016 to 13 Jul 2016

sampling point
Penharget Stream At Mill Lawn Ford