sampling point
River Taw At Kersham Bridge

Description	RIVER TAW AT KERSHAM BRIDGE
Sampling point ID	SW-73020277
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 266207 113554 lat lon: 50.905907, -3.904242
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	75 samples taken between 2006 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.

24 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 75 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Feb 2006 to 30 Nov 2006

Notation	Determinand	Units	2 Feb 2006 13:05	17 Mar 2006 11:10	30 Mar 2006 10:35	19 Apr 2006 10:45	10 May 2006 08:40	6 Jul 2006 10:40	3 Aug 2006 13:05	1 Sep 2006 09:25	12 Oct 2006 15:03	30 Nov 2006 12:55
0061	pH		7.4	7.2	7.3	7.5	7.6	7.8	8.4	7.7	7.1	7.2
0076	Temperature of Water	°C	3.4	4.4	9.6	10.1	12	18.5	17.8	16.5	12.5	9.7
0085	BOD : 5 Day ATU	mg/l	1.94	1.3	1.9	1.5	2.2	< 1	< 1	1	2.2	1.4
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.043	< 0.03	0.054	0.048	< 0.03	< 0.03	< 0.03	0.043
0116	Nitrogen, Total Oxidised as N	mg/l	4.01	5.17	3.58	2.73	2.17	2.4	1.7	1.55	5.39	6.28
0117	Nitrate as N	mg/l	4	5.16	3.56	2.72	2.15	2.38	1.69	1.54	5.37	6.27
0118	Nitrite as N	mg/l	0.0114	0.0115	0.0154	0.0066	0.0213	0.0156	0.0081	0.0056	0.0151	0.0111
0119	Ammonia un-ionised as N	mg/l	< 9.0e-05	< 6.0e-05	0.00015	< 0.00018	0.00046	0.00104	< 0.00097	< 0.00045	< 8.0e-05	0.00012
0180	Orthophosphate, reactive as P	mg/l	0.078	0.032	0.041	0.072	0.185	0.215	0.4	0.45	0.064	0.03
0211	Potassium	mg/l	2.57	2.49	2.85	2.8	3.69	4.7	5.97
1183	Weather : Precipitation		1	1	6	1	1	3	1	2	1	2
3267	Type of flow as description		3	3	3	3	3	2	2	1	3	4
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	4.04	5.2	3.62	2.76	2.22	2.45	1.73
9901	Oxygen, Dissolved, % Saturation	%	93	98.6	97.4	105.2	86	92	111	89	100.7	91
9924	Oxygen, Dissolved as O2	mg/l	12.4	12.8	11.1	11.8	9.25	8.6	10.5	8.67	10.7	10.3

Samples from 9 Mar 2005 to 16 Jan 2006

Notation	Determinand	Units	9 Mar 2005 12:00	20 Mar 2005 10:40	7 Jun 2005 11:05	27 Jun 2005 11:05	12 Aug 2005 12:30	13 Sep 2005 08:45	26 Oct 2005 09:00	10 Nov 2005 11:25	9 Dec 2005 08:45	16 Jan 2006 13:00
0061	pH		7.5	7.86	7.1	7.6	7.9	7.6	7.2	7.3	7	7.3
0076	Temperature of Water	°C	5.5	11.03	13.5	17	17.7	15.5	12.5	10.9	7.5	7.1
0085	BOD : 5 Day ATU	mg/l	1.4	1.03	4	1.46	< 1	1.11	1.2	3.06	< 1	1.55
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.123	0.042	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.051
0116	Nitrogen, Total Oxidised as N	mg/l	3.91	2.94	2.68	2.6	1.54	1.99	5.38	4.48	5.51	3.28
0117	Nitrate as N	mg/l	3.9	2.93	2.64	2.57	1.54	1.98	5.37	4.47	5.5	3.26
0118	Nitrite as N	mg/l	0.0129	0.0085	0.0353	0.0293	0.005	0.01	0.0106	0.0061	0.0109	0.017
0119	Ammonia un-ionised as N	mg/l	< 0.00013	< 0.00043	0.00037	0.00052	< 0.00077	< 0.00033	< 0.00011	< 0.00012	< 5.0e-05	0.00015
0180	Orthophosphate, reactive as P	mg/l	0.066	0.055	0.245	0.266	0.437	0.603	0.05	< 0.02	0.029	0.054
0211	Potassium	mg/l	2.8	2.99	5.02	5.62	4.74	6.25	3.46	2.65	3.08	3.09
1183	Weather : Precipitation		1	1	6	1	1	1	2	2	1	2
3267	Type of flow as description		3	3	4	2	2	1	4	3	4	3
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	3.94	2.97	2.8	2.64	1.57	2.02	5.41	4.51	5.54	3.33
9901	Oxygen, Dissolved, % Saturation	%	104	98.9	86	92	105	89	94	100	97	99
9924	Oxygen, Dissolved as O2	mg/l	13.1	10.9	8.94	8.87	9.98	8.86	9.99	11	11.6	12

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sampling point River Taw At Kersham Bridge

Determinands

Sampling results

Samples from 2 Feb 2006 to 30 Nov 2006

Samples from 9 Mar 2005 to 16 Jan 2006

sampling point
River Taw At Kersham Bridge