sampling point
East Okement Okehampton At Old A30 Brg

Description	EAST OKEMENT RIVER OKEHAMPTON AT OLD A30 BRIDGE
Sampling point ID	SW-72943002
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 258878 95237 lat lon: 50.739546, -4.00136
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	145 samples taken between 2015 and 2000

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.

86 determinands have been measured at this site

Action taken
Al - Dry Wt
Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
Arsenic - As
As - DWt
As-Filtered
B - Dry Wt
B - Filtered
BOD ATU
Ba- Filtered
Barium - Ba
Boron - as B
C - Org Filt
Ca - Dry Wt
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd - Dry Wt
Cd Filtered
Chromium -Cr
Cond @ 20C
Cond @ 25C
Copper - Cu
Cr - Dry Wt
Cr- Filtered
Cu - Dry Wt
Cu Filtered
Dtrgt NncSyn
DtrgtAncSyn
Fe - Dry Wt
Fe- Filt
GCMS S-Vol
Hardness
Hdnss Ca
Hdnss Mg
Iron - as Fe
K - Dry Wt
K- Filtered
Lead - as Pb
Lithium - Li
Lithium Filt
Magnesium-Mg
Manganse-Mn
Mg - Dry Wt
Mg Filtered
Mineral Oils
Mn - Dry Wt
Mn- Filtered
N Inorganic
N Oxidised
NH3 un-ion
Na - Dry Wt
Na- Filtered
Ni - Dry Wt
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Pb - Dry Wt
Pb Filtered
Phenol Odour
PhenolicOdor
Potassium- K
SO4dis
Sld Sus@105C
Sodium - Na
Sr - Dry Wt
Strontium-Sr
StrontumFilt
Sulphate DWt
Sulphate SO4
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
Zn - Dry Wt
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 145 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 3 May 2013 to 3 Jul 2015

Notation	Determinand	Units	3 May 2013 14:18	2 Aug 2013 09:21	14 Nov 2013 09:06	3 Mar 2014 07:14	4 Jun 2014 09:47	8 Sep 2014 10:06	10 Dec 2014 13:15	21 Jan 2015 09:47	27 Apr 2015 13:00	3 Jul 2015 12:38
0061	pH		7.4	7.6	7.67	7.2	8.5	7.9	7.7	7.2	8	7.3
0076	Temperature of Water	°C	9.5	17.1	8.5	5	11.1	12.6	7	5.2	8.7	15
0077	Conductivity at 25 C	μs/cm	67	74	69	79	73	62	62	81	148	68
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	0.51	0.45	0.67	0.68	0.6	0.4		0.85	0.59	0.44
0117	Nitrate as N	mg/l	0.506	0.446	0.666	0.676	0.596	0.396		0.846	0.586	0.436
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004		< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00013	< 0.00037	< 0.00023	< 6.0e-05	< 0.00059	< 0.00053		< 6.0e-05	< 0.0005	< 0.00016
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	8	7	8	7	9	7		8	10	8
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02		0.0022	0.0054	0.0047
0239	Calcium, Dissolved	mg/l		2.87	3.19	2.98	3.19	2.41		3.41	10.5	2.69
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l		2.05	2.26	1.78	2.3	1.22		2.05	1.22	1.35
9901	Oxygen, Dissolved, % Saturation	%	103	97	100	91.2	95.6	101	101	98	98	107
9924	Oxygen, Dissolved as O2	mg/l	11.7	9.33	11.7	11.6	10.5	10.7	12.2	12.4	11.4	10.8

Samples from 11 Oct 2011 to 1 Feb 2013

Notation	Determinand	Units	11 Oct 2011 15:50	24 Nov 2011 12:00	24 Nov 2011 12:00	19 Jan 2012 09:15	8 Feb 2012 10:30	7 Mar 2012 10:45	12 Apr 2012 09:20	12 Apr 2012 09:20	23 May 2012 10:50	1 Feb 2013 07:36
0050	Lead	μg/l	< 2		< 2	< 2	< 2	< 2		< 2	< 2
0052	Lead, Dissolved	μg/l	< 2		< 2	< 2	< 2	< 2		< 2	< 2
0061	pH		7.07		7.12	7.14	7.54	7.26		7.26	7.61	7.4
0076	Temperature of Water	°C	13.34		9.4	9.3	2.49	8		6.8	12.6	6.1
0077	Conductivity at 25 C	μs/cm	57		74.1	49	75	84		69	69	55
0106	Cadmium, Dissolved	μg/l	< 0.1		< 0.1	< 0.1	< 0.1	< 0.1		< 0.1	< 0.1
0108	Cadmium	μg/l	< 0.1		< 0.1	< 0.1	< 0.1	< 0.1		< 0.1	< 0.1
0111	Ammoniacal Nitrogen as N	mg/l										< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l										0.47
0117	Nitrate as N	mg/l										0.466
0118	Nitrite as N	mg/l										< 0.004
0119	Ammonia un-ionised as N	mg/l										< 0.0001
0135	Solids, Suspended at 105 C	mg/l	< 3		3.9	8.92	< 3	< 3		< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	9.61		12.9	11	14.4	14.1		12.5	14.1
0162	Alkalinity to pH 4.5 as CaCO3	mg/l										6
0180	Orthophosphate, reactive as P	mg/l										< 0.02
0183	Sulphate as SO4	mg/l	< 10		< 10	< 10	< 10	< 10		< 10	< 10
0205	Sodium, Dissolved	mg/l	6.15		6.81	7.21	7.01	9.51		6.68	7.07
0207	Sodium	mg/l	6.25		6.49	7.69	6.72	9.87		6.59	6.7
0208	Sodium : Dry Wt	mg/kg		597					898
0209	Potassium, Dissolved	mg/l			0.854	1.05	0.872	0.84		0.742	0.67
0211	Potassium	mg/l	0.895		0.892	1.09	0.85	0.904		0.8	0.709
0212	Potassium : Dry Wt	mg/kg		7170					6850
0216	Copper : Dry Wt	mg/kg		47					57.2
0235	Magnesium, Dissolved	mg/l	1.14		1.38	1.16	1.56	1.53		1.38	1.49
0237	Magnesium	mg/l	1.18		1.34	1.18	1.5	1.47		1.35	1.46
0238	Magnesium : Dry Wt	mg/kg		1530					1740
0239	Calcium, Dissolved	mg/l	1.97		2.88	2.5	3.19	3.11		2.73	3.19
0241	Calcium	mg/l	1.7		3	2.62	3.22	2.99		2.33	3.03
0242	Calcium : Dry Wt	mg/kg		5160					4620
0246	Zinc : Dry Wt	mg/kg		738					402
0250	Strontium : Dry Wt	mg/kg		26.3					27.1
0254	Cadmium : Dry Wt	mg/kg		10.2					4.98
0284	Boron : Dry Wt	mg/kg		19.3					17.5
0288	Aluminium : Dry Wt	mg/kg		6070					9240
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	4.58		1.93	3.07	1.01	1.31		1.81	1.24
0329	Lead : Dry Wt	mg/kg		59.2					60.6
0357	Arsenic : Dry Wt	mg/kg		81					85.1
0376	Chromium : Dry Wt	mg/kg		3.57					6.6
0404	Manganese : Dry Wt	mg/kg		9760					4400
0422	Iron : Dry Wt	mg/kg		17500					18000
0430	Nickel : Dry Wt	mg/kg		57.9					39.5
3164	Chromium	μg/l			< 0.5	< 0.5	< 0.5	< 0.5		< 0.5	< 0.5
3169	pH : In Situ				7.02	7	7.57	7.45		7.44	7.5
3408	Zinc, Dissolved	μg/l	6.49		< 5	8.87	7.95	5.85		5.2	< 5
3409	Chromium, Dissolved	μg/l			< 0.5	< 0.5	< 0.5	< 0.5		< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	1.09		< 1	< 1	< 1	< 1		< 1	< 1
4201	Lithium, Dissolved	μg/l	< 100		< 100	< 100	< 100	< 100		< 100	< 100
6037	Aluminium, Dissolved	μg/l	105		55.6	88.9	42	38.9		50.1	35.4
6045	Arsenic, Dissolved	μg/l			1.3	< 1	< 1	< 1		1.1	1.1
6046	Arsenic	μg/l			2.2	2.1	< 1	1.2		1.1	1.2
6050	Manganese	μg/l	17.1		19.4	27.7	< 10	< 10		< 10	< 10
6051	Iron	μg/l	381		271	383	73.8	129		95.1	61.3
6057	Aluminium	μg/l	146		140	220	54.6	79.9		61.8	50.1
6059	Boron	μg/l	< 100		< 100	< 100	< 100	< 100		< 100	< 100
6062	Barium	μg/l	< 10		< 10	< 10	< 10	< 10		< 10	< 10
6063	Strontium	μg/l	< 20		< 20	< 20	< 20	< 20		< 20	< 20
6064	Lithium	μg/l	< 100		< 100	< 100	< 100	< 100		< 100	< 100
6450	Copper, Dissolved	μg/l	2.85		1.28	2.06	1.32	1.53		1.74	1.14
6452	Copper	μg/l	2.72		1.72	2.66	1.17	1.75		1.67	1.19
6455	Zinc	μg/l	8.18		6.97	13.5	8.92	7.41		7.4	< 5
6458	Manganese, Dissolved	μg/l	< 10		< 10	< 10	< 10	< 10		< 10	< 10
6460	Iron, Dissolved	μg/l	188		98.9	150	42.9	49.2		65.9	35
6462	Nickel	μg/l	10.9		< 1	1.08	< 1	< 1		< 1	< 1
6693	Strontium, Filtered	μg/l	< 20		< 20	< 20	< 20	< 20		< 20	< 20
6854	Sulphate : Dry Wt	mg/kg		6210					6970
7859	Sulphate, Dissolved as SO4	mg/l			< 10	< 10	< 10	< 10		< 10	< 10
9446	Barium, Dissolved	μg/l	< 10		< 10	< 10	< 10	< 10		< 10	< 10
9447	Boron, Dissolved	μg/l	< 100		< 100	< 100	< 100	< 100		< 100	< 100
9901	Oxygen, Dissolved, % Saturation	%	94.6									101.4
9924	Oxygen, Dissolved as O2	mg/l										12.6

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sampling point East Okement Okehampton At Old A30 Brg

Determinands

Sampling results

Samples from 3 May 2013 to 3 Jul 2015

Samples from 11 Oct 2011 to 1 Feb 2013

sampling point
East Okement Okehampton At Old A30 Brg