sampling point
River Yeo (Lapford) At Bow Bridge

Description	RIVER YEO (LAPFORD) AT BOW BRIDGE
Sampling point ID	SW-73040177
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 271730 101740 lat lon: 50.800979, -3.821592
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	85 samples taken between 2013 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
Cond @ 25C
Cu Filtered
Dtrgt NncSyn
DtrgtAncSyn
GCMS S-Vol
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 85 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Jul 2006 to 8 Apr 2013

Notation	Determinand	Units	11 Jul 2006 12:45	27 Jul 2006 13:45	11 Sep 2006 08:35	2 Oct 2006 15:40	8 Nov 2006 09:27	21 Nov 2006 09:05	8 Jan 2013 13:03	6 Feb 2013 10:41	20 Feb 2013 11:45	8 Apr 2013 10:14
0061	pH		7.7	7.7	7.8	7.7	7.5	7.4	7.6	7.9	7.4	7.7
0076	Temperature of Water	°C	16	18.1	15	14.5	7.5	8.3	8.9	5.2	6.6	5
0077	Conductivity at 25 C	μs/cm							294	270	384	323
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1	3.9	1.2	1.9
0111	Ammoniacal Nitrogen as N	mg/l	0.044	0.031	< 0.03	0.388	< 0.03	0.042	0.044	0.057	0.057	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.03	4.27	4.74	2.32	4.04	5.2	4.72	3.79	10.6	4.78
0117	Nitrate as N	mg/l	4	4.24	4.73	2.29	4.03	5.19	4.69	3.77	10.6	4.77
0118	Nitrite as N	mg/l	0.0266	0.0287	0.0119	0.0287	0.0075	0.0145	0.0251	0.0162	0.0109	0.007
0119	Ammonia un-ionised as N	mg/l	0.00063	0.00052	< 0.0005	0.00499	< 0.00015	0.00017	0.0003	0.00058	0.00021	< 0.00019
0162	Alkalinity to pH 4.5 as CaCO3	mg/l							83	72	94	90
0180	Orthophosphate, reactive as P	mg/l	0.059	0.067	0.057	0.14	0.024	0.055	0.063	0.054	0.086	0.034
0211	Potassium	mg/l	4.58	4.23
1183	Weather : Precipitation		1	1	1	2	2	2
3267	Type of flow as description		2	2	2	3	2	3
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	4.07	4.3
9901	Oxygen, Dissolved, % Saturation	%	84	87	75	75	97	95	96	99	95	98
9924	Oxygen, Dissolved as O2	mg/l	8.27	8.2	7.54	7.63	11.6	11.2	11.1	12.6	11.6	12.5

Samples from 5 Aug 2005 to 25 Apr 2006

Notation	Determinand	Units	5 Aug 2005 12:50	26 Aug 2005 08:50	27 Sep 2005 12:15	7 Oct 2005 08:25	16 Nov 2005 15:00	17 Jan 2006 08:30	31 Jan 2006 13:45	17 Feb 2006 09:00	9 Mar 2006 09:45	25 Apr 2006 14:25
0061	pH		7.3	7.2	7.6	7.5	7.6	7.4	7.6	7.6	7.3	8.1
0076	Temperature of Water	°C	15.5	13	13	12.2	8.8	7.2	5	5.3	7.2	12.5
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1	< 1	< 1	1.73	< 1	3.56	2.1	1.8
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.088	< 0.03	0.156	0.09	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.12	3.82	4.68	4.44	3.81	3.09	11.1	2.6	3.21	3.55
0117	Nitrate as N	mg/l	4.11	3.81	4.66	4.4	3.8	3.06	11.1	2.57	3.19	3.54
0118	Nitrite as N	mg/l	0.0148	0.0093	0.0163	0.0368	0.0097	0.0275	0.0089	0.0273	0.0208	0.0112
0119	Ammonia un-ionised as N	mg/l	< 0.00017	< 0.00011	< 0.00027	< 0.00021	< 0.0002	0.00033	< 0.00015	0.00081	0.00027	< 0.00066
0180	Orthophosphate, reactive as P	mg/l	0.065	0.059	0.052	0.049	0.034	0.051	0.083	0.094	0.052	0.033
0211	Potassium	mg/l	5.45		3.76	4.28	3.95	5.25	2.44	5.5	4.44	3.12
1183	Weather : Precipitation		3	1	2	1	1	2	1	1	6	2
3267	Type of flow as description		2	2	2	3	3	3	2	3	3	3
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	4.15	3.85	4.71	4.47	3.84	3.18	11.1	2.76	3.3	3.58
9901	Oxygen, Dissolved, % Saturation	%	73	80	68	76.2	92	91.6	82	93	90.5	105
9924	Oxygen, Dissolved as O2	mg/l	7.26	8.41	7.15	8.16	10.7	11	10.5	11.8	10.9	11.2

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sampling point River Yeo (Lapford) At Bow Bridge

Determinands

Sampling results

Samples from 11 Jul 2006 to 8 Apr 2013

Samples from 5 Aug 2005 to 25 Apr 2006

sampling point
River Yeo (Lapford) At Bow Bridge