sampling point
River Taw At Higher Park

Description	RIVER TAW AT HIGHER PARK
Sampling point ID	SW-73030110
Type	Freshwater – Rivers
Status	open
Location	easting northing: 269680 108610 lat lon: 50.862267, -3.853111
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	48 samples taken between 2017 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 48 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 12 Apr 2016 to 22 Feb 2017

Notation	Determinand	Units	12 Apr 2016 11:52	14 Jun 2016 11:27	30 Jun 2016 12:00	3 Aug 2016 10:37	21 Oct 2016 09:17	8 Nov 2016 09:31	14 Dec 2016 09:19	5 Jan 2017 13:30	1 Feb 2017 11:26	22 Feb 2017 12:25
0061	pH		7.9	7.87	7.9	7.5	7.81	7.65	8.21	7.9	7.6	8
0076	Temperature of Water	°C	8.8	14.9	14.5	16.2	8.1	6.3	8.8	4.9	8.4	10.2
0077	Conductivity at 25 C	μs/cm	272	468	461	156	394	459	222	288	156	257
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.062	0.037	< 0.03	< 0.03	< 0.03	< 0.03	0.036	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.85	1.78	2.11	0.58	1.29	1.2	1.57	2.23	1.97	1.95
0117	Nitrate as N	mg/l	1.84	1.76	2.1	0.576	1.29	1.2	1.56	2.22	1.96	1.94
0118	Nitrite as N	mg/l	0.0055	0.0217	0.0134	< 0.004	< 0.004	< 0.004	0.0054	0.0149	0.0076	0.008
0119	Ammonia un-ionised as N	mg/l	< 0.0004	0.00121	0.00075	< 0.00028	< 0.00031	< 0.00019	< 0.0005	0.00036	< 0.0002	< 0.00056
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	48	77	56	27	64	84	32	44	26	40
0180	Orthophosphate, reactive as P	mg/l	0.021	0.204	0.147	0.049	0.078	0.042	0.04	0.033	0.03	0.044
9901	Oxygen, Dissolved, % Saturation	%	102	98.2	97	92	91.2	93.8	91.7	100	94	99
9924	Oxygen, Dissolved as O2	mg/l	11.8	9.9	9.86	9.02	10.8	11.6	10.6	12.8	11	11.1

Samples from 11 May 2015 to 25 Feb 2016

Notation	Determinand	Units	11 May 2015 12:50	17 Jun 2015 09:21	31 Jul 2015 12:42	14 Aug 2015 10:12	15 Sep 2015 13:44	8 Oct 2015 11:25	10 Nov 2015 09:50	30 Nov 2015 10:49	10 Feb 2016 12:47	25 Feb 2016 09:30
0061	pH		7.8	8.08	7.8	7.7	7.5	7.7	7.6	7.33	7.55	7.02
0076	Temperature of Water	°C	12.9	14.5	14	15.5	12.2	10.4	12.4	10.1	6.3	4.5
0077	Conductivity at 25 C	μs/cm	280	393	381	463	115	215	209	190	218	211
0111	Ammoniacal Nitrogen as N	mg/l	0.031	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.073	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.3	1.27	1.93	1.2	1.78	1.22	1.88	2.12	1.53	2.39
0117	Nitrate as N	mg/l	1.29	1.26	1.92	1.2	1.77	1.22	1.87	2.11	1.52	2.38
0118	Nitrite as N	mg/l	0.0082	0.0074	0.0065	0.0043	0.0059	< 0.004	0.0074	0.0078	0.0078	0.0061
0119	Ammonia un-ionised as N	mg/l	0.00044	< 0.00076	< 0.00047	< 0.00042	< 0.00021	< 0.00029	< 0.00026	< 0.00012	0.00036	< 4.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	50	63	62	80	20	37	40	36	37	36
0180	Orthophosphate, reactive as P	mg/l	0.077	0.114	0.111	0.177	0.038	0.053	0.064	0.04	0.047	0.025
9901	Oxygen, Dissolved, % Saturation	%	105	95	99	90	104	96	96	90.8	95.5	96.6
9924	Oxygen, Dissolved as O2	mg/l	11.1	9.66	10.2	8.96	11.1	10.7	10.2	10.2	11.8	12.5

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sampling point River Taw At Higher Park

Determinands

Sampling results

Samples from 12 Apr 2016 to 22 Feb 2017

Samples from 11 May 2015 to 25 Feb 2016

sampling point
River Taw At Higher Park