sampling point
River Dalch U/S River Yeo Confluence

Description	RIVER DALCH PRIOR TO CONFLUENCE WITH RIVER YEO SAMPLING DISCONTINUED - SEE URN WSTW3172B
Sampling point ID	SW-73040202
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 273564 107425 lat lon: 50.852479, -3.797542
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	72 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.

28 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
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Potassium- K
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 72 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 17 Feb 2006 to 21 Nov 2006

Notation	Determinand	Units	17 Feb 2006 10:30	9 Mar 2006 11:30	25 Apr 2006 11:45	15 May 2006 13:30	11 Jul 2006 12:10	11 Sep 2006 10:40	19 Sep 2006 14:05	2 Oct 2006 12:30	8 Nov 2006 10:10	21 Nov 2006 12:25
0061	pH		7.3	7.3	7.7	7.6	7.3	7.3	7.3	7.7	7.3	7.2
0076	Temperature of Water	°C	6.1	7.3	11.5	13.6	15.5	16.1	14.3	14.2	9.2	8.3
0085	BOD : 5 Day ATU	mg/l	2.77	2.3	1.6	1.4	1.5	3.8	6.2	3.9	1.3	2.1
0111	Ammoniacal Nitrogen as N	mg/l	0.142	0.083	0.075	0.122	0.401	2.31	1.35	0.09	0.087	0.045
0116	Nitrogen, Total Oxidised as N	mg/l	4.11	5.33	3.22	3.73	4.15	7.62	7.06	4.82	5.77	5.72
0117	Nitrate as N	mg/l	4.08	5.31	3.21	3.71	4.1	7.13	6.8	4.78	5.76	5.7
0118	Nitrite as N	mg/l	0.0264	0.0204	0.0138	0.0226	0.0509	0.491	0.262	0.0368	0.0103	0.0177
0119	Ammonia un-ionised as N	mg/l	0.00039	0.00025	0.00077	0.00117	0.00223	0.0134	0.00686	0.00113	0.0003	0.00012
0135	Solids, Suspended at 105 C	mg/l	47.3	28.4	6.5	11.2	7.5	< 3	15.7	17.9
0180	Orthophosphate, reactive as P	mg/l	0.114	0.088	0.128	0.322	0.429	2.17	1.63	0.264	0.071	0.075
0211	Potassium	mg/l	4.85	3.85	3.25	4.66	6.19
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0
1183	Weather : Precipitation		1	6	2	2	1	1	1	2	2	2
3267	Type of flow as description		3	3	3	3	2	1	2	3	2	3
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	4.25	5.41	3.3	3.85	4.55
6450	Copper, Dissolved	μg/l	3	2.5	1.9	2.2	2.3	3.1	3.2	5.1	1.3	2.5
6455	Zinc	μg/l	24.2	8.2	< 5	5	< 5	11.3	69	27.4	< 5	8.8
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	91	92	98	88	84	44	59	92	103	92
9924	Oxygen, Dissolved as O2	mg/l	11.3	11.1	10.7	9.13	8.36	4.32	6.03	9.42	11.8	10.8

Samples from 27 Apr 2005 to 31 Jan 2006

Notation	Determinand	Units	27 Apr 2005 00:01	13 Jun 2005 10:10	28 Jun 2005 10:38	15 Jul 2005 10:45	5 Aug 2005 08:30	26 Aug 2005 10:25	27 Sep 2005 11:15	7 Oct 2005 09:25	17 Jan 2006 10:10	31 Jan 2006 11:30
0061	pH		7.5	7.5	7.5	7.4	7.3	7.6	7.4	7.3	7.3	7.7
0076	Temperature of Water	°C	11	11.5	16.3	17.5	15	13.2	14	12.2	7.4	1.5
0085	BOD : 5 Day ATU	mg/l	1.56	3.31	2.38	1.64	1.58	1.29	2.49	3.24	2.65	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.045	0.408	0.094	0.256	0.145	0.108	1.11	0.833	0.281	0.101
0116	Nitrogen, Total Oxidised as N	mg/l	4.66	4.41	4.3	4.77	5.44	3.08	5.2	5.48	4.01	5.67
0117	Nitrate as N	mg/l	4.63	4.38	4.27	4.69	5.41	3.06	5.08	5.38	3.96	5.66
0118	Nitrite as N	mg/l	0.0258	0.026	0.034	0.0784	0.0334	0.0179	0.118	0.1	0.0466	0.0079
0119	Ammonia un-ionised as N	mg/l	0.00028	0.00266	0.00088	0.00207	0.00078	0.001	0.00694	0.00362	0.00086	0.0005
0135	Solids, Suspended at 105 C	mg/l	10.6	8.1	22.8	6.2	6	7.2	4.8	10.2	14	< 3
0180	Orthophosphate, reactive as P	mg/l	0.086	0.369	0.329	0.608	0.352	0.344	1.2	0.929	0.149	0.064
0211	Potassium	mg/l	3.66	4.62	7.72	6.65	9.9		10.7	12.1	5.88	2.9
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0	0	0
1183	Weather : Precipitation		2	1	1	1	3	2	2	1	2	13
3267	Type of flow as description		3	3	3	2	2	2	1	2	3	2
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	4.71	4.82	4.39	5.03	5.59	3.19	6.31	6.31	4.29	5.77
6450	Copper, Dissolved	μg/l	2.4	2	3.7	2.3	3	2.4	3.3	5.3	3.6	< 1
6455	Zinc	μg/l	6.2	< 5	7.4	< 5	< 5	< 5	6.4	43.2	15.3	< 5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	105	86	101	83	78	96	66	88.9	93.6	95
9924	Oxygen, Dissolved as O2	mg/l	11.6	9.35	9.88	7.92	7.85	10	6.78	9.52	11.2	13.3

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sampling point River Dalch U/S River Yeo Confluence

Determinands

Sampling results

Samples from 17 Feb 2006 to 21 Nov 2006

Samples from 27 Apr 2005 to 31 Jan 2006

sampling point
River Dalch U/S River Yeo Confluence