sampling point
Northwood Brook At Wortha

Description	NORTHWOOD BROOK AT WORTHA
Sampling point ID	SW-81523236
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 220630 69840 lat lon: 50.500821, -4.530626
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	76 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 76 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 27 Mar 2006 to 23 Nov 2006

Notation	Determinand	Units	27 Mar 2006 13:20	16 May 2006 14:45	15 Jun 2006 15:30	26 Jun 2006 14:05	14 Jul 2006 13:45	9 Aug 2006 14:00	14 Sep 2006 14:36	27 Oct 2006 13:36	9 Nov 2006 14:40	23 Nov 2006 11:20
0061	pH		6.1	6.7	6.41	7.1	7.09	7.47	7.3	6.3	6.78	5.85
0076	Temperature of Water	°C	9.4	12.5	16	13.3	15.5	15.7	16.6	11.6	11.2	10
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1	< 1	< 1	1.4	< 1	< 1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.034	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.51	0.63	< 0.2	0.79	0.82	0.85	0.4	0.54	0.6	0.66
0117	Nitrate as N	mg/l	0.506	0.626	< 0.196	0.786	0.816	0.846	0.396	0.536	0.596	0.656
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
0119	Ammonia un-ionised as N	mg/l	< 1.0e-05	< 3.0e-05	< 2.0e-05	0.0001	< 0.0001	< 0.00025	< 0.00018	< 1.0e-05	< 4.0e-05	< 1.0e-05
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02
0211	Potassium	mg/l	1.47	1.02	0.91	1.31	1.16	1.45
1183	Weather : Precipitation		2	2		2	1	1	2	1	1	2
3267	Type of flow as description		3	3	3	3	3	2	3	3	3	4
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	0.54	0.66	< 0.23	0.824	0.85	0.88
9901	Oxygen, Dissolved, % Saturation	%	97	97	95.1	97	95	97	93.5	85	94	94.2
9924	Oxygen, Dissolved as O2	mg/l	11.1	10.3	9.36	10.1	9.45	9.61	9.09	9.22	10.3	10.6

Samples from 23 May 2005 to 16 Feb 2006

Notation	Determinand	Units	23 May 2005 11:00	20 Jun 2005 13:50	22 Jul 2005 15:10	7 Sep 2005 15:10	26 Sep 2005 15:15	21 Oct 2005 12:25	9 Nov 2005 14:30	1 Dec 2005 13:21	23 Jan 2006 12:20	16 Feb 2006 10:30
0061	pH		6.47	6.68	6.7	6.21	6.54	6.8	6.05	6.12	6.13	6.32
0076	Temperature of Water	°C	10.48	16	15.6	15.17	14.2	12.78	10.7	8.07	7	5.69
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1	1.13	< 1	< 1	< 1	1.71	< 1	3.51
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	0.41	0.67	0.74	0.28	0.47	0.4	0.89	0.51	0.83	0.49
0117	Nitrate as N	mg/l	0.406	0.666	0.736	0.276	0.466	0.396	0.886	0.506	0.826	0.486
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
0119	Ammonia un-ionised as N	mg/l	< 2.0e-05	< 4.0e-05	< 4.0e-05	< 1.0e-05	< 3.0e-05	< 4.0e-05	< 1.0e-05	< 1.0e-05	< 1.0e-05	< 1.0e-05
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02
0211	Potassium	mg/l	1.03	1.04	1.1	1.35	1.53	2.32	1.33	2	1.14	1.46
1183	Weather : Precipitation		2	1	1	1	2	2	2	2	1	2
3267	Type of flow as description		3	3	3	3	3	3	4	3	3	4
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	0.44	0.7	0.77	0.31	0.5	0.43	0.92	0.54	0.86	0.52
9901	Oxygen, Dissolved, % Saturation	%	98.5	97	98	97.4	92	96.9	88	97.2	92	99
9924	Oxygen, Dissolved as O2	mg/l	11	9.55	9.73	9.76	9.42	10.2	9.75	11.5	11.2	12.4

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sampling point Northwood Brook At Wortha

Determinands

Sampling results

Samples from 27 Mar 2006 to 23 Nov 2006

Samples from 23 May 2005 to 16 Feb 2006

sampling point
Northwood Brook At Wortha