sampling point
River Ottery At Canworthy Water Bridge

Description	RIVER OTTERY AT CANWORTHY WATER BRIDGE
Sampling point ID	SW-91221170
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 222364 91740 lat lon: 50.698104, -4.516679
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	96 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.

31 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Chloride Ion
Cond @ 25C
Cu Filtered
Dtrgt NncSyn
DtrgtAncSyn
GCMS S-Vol
Hardness
Hdnss Ca
Hdnss Mg
K- Filtered
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 96 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 13 Sep 2013 to 22 Jul 2015

Notation	Determinand	Units	13 Sep 2013 12:15	5 Nov 2013 10:52	4 Mar 2014 09:05	21 Mar 2014 09:52	9 Jun 2014 13:29	19 Sep 2014 10:02	8 Dec 2014 11:37	12 Jan 2015 14:07	23 Apr 2015 11:25	22 Jul 2015 13:18
0061	pH		7.6	7.4	7.7	7.8	7.63	7.8	7.3	7.2	7.5	7.65
0076	Temperature of Water	°C	15.4	11.3	6.7	8	16.1	15.9	6.8	9.5	11.4	17.3
0077	Conductivity at 25 C	μs/cm		192	196		197	212	199	197	196	201
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.044	0.057	0.038	< 0.03	< 0.03	0.031	0.042	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.13	2.09	2.62		2.26	0.8	2.35	3.17	2.14	1.39
0117	Nitrate as N	mg/l	1.13	2.08	2.61		2.25	0.796	2.34	3.16	2.14	1.39
0118	Nitrite as N	mg/l	< 0.004	0.0053	0.0139		0.008	< 0.004	0.0074	0.0057	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00033	0.00023	0.00041	0.00038	< 0.00037	< 0.00054	9.0e-05	0.00012	< 0.00019	< 0.00042
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	29	33	25		27	33	26	26	26	27
0180	Orthophosphate, reactive as P	mg/l	< 0.02	0.045	< 0.02		< 0.02	< 0.02	0.01	0.02	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%		97.7	98.6	101.4	100	97	96.4	96	101.7	104.9
9924	Oxygen, Dissolved as O2	mg/l		10.7	12	12	9.82	9.57	11.7	10.9	11.1	10

Samples from 27 Jul 2006 to 22 Aug 2013

Notation	Determinand	Units	27 Jul 2006 10:04	9 Aug 2006 13:20	23 Aug 2006 10:25	21 Sep 2006 09:30	24 Oct 2006 11:51	20 Nov 2006 12:15	6 Dec 2006 09:55	8 Feb 2013 14:39	8 May 2013 09:39	22 Aug 2013 10:38
0061	pH		7.49		7.51	7.66	7.31	7.17	7.11	7.4	7.9	7.8
0076	Temperature of Water	°C	18.5		15.9	15.9	12.2	10.9	9.1	6.8	13.2	16.6
0077	Conductivity at 25 C	μs/cm								197	197	230
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1	1.2	2.6	2.1	1.1
0111	Ammoniacal Nitrogen as N	mg/l	0.048		< 0.03	< 0.03	0.65	0.124	0.134	0.07	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.91		1.3	0.72	3.81	4.48	4.81	2.69	1.71
0117	Nitrate as N	mg/l	1.9		1.3	0.716	3.78	4.46	4.8	2.68	1.7
0118	Nitrite as N	mg/l	0.0095		< 0.004	< 0.004	0.0343	0.019	0.0123	0.014	0.006
0119	Ammonia un-ionised as N	mg/l	0.00051		< 0.00028	< 0.00039	0.00289	0.00036	0.0003	0.00026	< 0.00055
0162	Alkalinity to pH 4.5 as CaCO3	mg/l								28	31
0180	Orthophosphate, reactive as P	mg/l	0.02		< 0.02	< 0.02	0.089	0.051	0.028	< 0.02	< 0.02
0211	Potassium	mg/l	3.22
1183	Weather : Precipitation		1		3	1	2	2	3
3267	Type of flow as description		2		2	3	5	4	4
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	1.96
6450	Copper, Dissolved	μg/l	1.6		1.6	2.4	4.1	4	3.5
6455	Zinc	μg/l	< 5		< 5	< 5	25.5	35.7	15.4
9901	Oxygen, Dissolved, % Saturation	%	101		91	82	91	91.5	97	100.5	104.5	98
9924	Oxygen, Dissolved as O2	mg/l	9.44		8.98	8.09	9.74	10.1	11.2	12.2	10.9	9.53

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sampling point River Ottery At Canworthy Water Bridge

Determinands

Sampling results

Samples from 13 Sep 2013 to 22 Jul 2015

Samples from 27 Jul 2006 to 22 Aug 2013

sampling point
River Ottery At Canworthy Water Bridge