sampling point
River Ottery At Higher Penrose

Description	RIVER OTTERY AT HIGHER PENROSE
Sampling point ID	SW-91221145
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 225420 89041 lat lon: 50.674781, -4.472174
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	33 samples taken between 2015 and 2013

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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 33 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Dec 2014 to 21 Sep 2015

Notation	Determinand	Units	8 Dec 2014 11:22	12 Jan 2015 16:01	11 Feb 2015 14:14	26 Mar 2015 16:04	24 Apr 2015 13:52	22 Jun 2015 10:54	27 Jul 2015 10:13	12 Aug 2015 13:41	26 Aug 2015 11:35	21 Sep 2015 14:42
0061	pH		7.4	7.2	7.3	7.4	7.53	7.32	7.32	7.59	7.61	7.36
0076	Temperature of Water	°C	6.8	9.4	5.8	9.3	12.3	13.8	14.2	16.4	15	13.1
0077	Conductivity at 25 C	μs/cm	197	187	190	188	188	189	176	204	140	187
0111	Ammoniacal Nitrogen as N	mg/l	0.047	0.035	< 0.03	0.123	< 0.03	< 0.03	0.044	< 0.03	0.058	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.05	3.09	2.52	2.21	1.84	1.71	1.48	1.49	1.09	2.42
0117	Nitrate as N	mg/l	2.04	3.08	2.51	2.19	1.84	1.71	1.47	1.49	1.08	2.42
0118	Nitrite as N	mg/l	0.0079	0.006	0.0095	0.018	< 0.004	< 0.004	0.0059	< 0.004	0.0053	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00017	0.0001	< 8.0e-05	0.00054	< 0.00022	< 0.00015	0.00023	< 0.00035	0.00063	< 0.00016
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	28	27	25	26	29	30	26	33	33	29
0180	Orthophosphate, reactive as P	mg/l	0.012	0.014	0.011	0.013	< 0.01	< 0.01	0.066	0.02	0.131	0.013
9901	Oxygen, Dissolved, % Saturation	%	98.2	93.8	100	97.2	100	92.4	92.5	98	91.5	97.7
9924	Oxygen, Dissolved as O2	mg/l	12	10.7	12.5	11.1	10.7	9.54	9.47	9.57	9.2	10.2

Samples from 20 Feb 2014 to 13 Nov 2014

Notation	Determinand	Units	20 Feb 2014 14:56	13 Mar 2014 13:22	9 Apr 2014 14:20	2 May 2014 12:09	9 Jun 2014 14:38	4 Jul 2014 11:10	22 Aug 2014 11:01	19 Sep 2014 10:27	22 Oct 2014 10:56	13 Nov 2014 13:40
0061	pH		7.15	7.4	7.5	7.5	7.5	7.7	7.7	7.5	7.4	6.96
0076	Temperature of Water	°C	9	8.3	10.8	11.9	15	17.5	13.2	15.6	11	11.6
0077	Conductivity at 25 C	μs/cm	184	186	185	182	188	197	255	205	199	187
0111	Ammoniacal Nitrogen as N	mg/l	0.217	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.04
0116	Nitrogen, Total Oxidised as N	mg/l	1.91	2.37	1.86	1.94	1.89	1.62	0.94	0.86	2.4	2.72
0117	Nitrate as N	mg/l	1.89	2.36	1.85	1.94	1.88	1.61	0.936	0.856	2.4	2.71
0118	Nitrite as N	mg/l	0.0175	0.011	0.0054	0.0046	0.0102	0.0066	< 0.004	< 0.004	< 0.004	0.0065
0119	Ammonia un-ionised as N	mg/l	0.00053	< 0.00012	< 0.00019	< 0.0002	< 0.00025	< 0.00048	< 0.00035	< 0.00027	< 0.00015	8.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	28	20	28	29	31	34	36	38	28	30
0180	Orthophosphate, reactive as P	mg/l	0.035	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	0.011	0.024
9901	Oxygen, Dissolved, % Saturation	%	96.3	99	101.6	102.3	100	100	99	89.5	100.7	99.2
9924	Oxygen, Dissolved as O2	mg/l	11.1	11.6	11.2	11	10.1	9.54	10.4	8.89	11.1	10.8

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sampling point River Ottery At Higher Penrose

Determinands

Sampling results

Samples from 8 Dec 2014 to 21 Sep 2015

Samples from 20 Feb 2014 to 13 Nov 2014

sampling point
River Ottery At Higher Penrose