sampling point
Trib Of Heddon At Trentishoe Bridge

Description	TRIB OF HEDDON AT TRENTISHOE BRIDGE
Sampling point ID	SW-73111212
Type	Freshwater – Rivers
Status	open
Location	easting northing: 265275 148237 lat lon: 51.217387, -3.930416
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	32 samples taken between 2017 and 2014

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 32 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Feb 2016 to 8 Feb 2017

Notation	Determinand	Units	29 Feb 2016 11:03	30 Mar 2016 11:54	9 Jun 2016 11:36	9 Aug 2016 12:26	4 Oct 2016 12:24	24 Oct 2016 11:14	27 Oct 2016 12:41	22 Nov 2016 12:13	30 Jan 2017 13:48	8 Feb 2017 11:23
0061	pH		7.7	7.9	7.8	7.9	7.91	7.7	7.86	7	7.7	7.9
0076	Temperature of Water	°C	6	7.6	14.1	13.1	12.2	9.5	10.6	9.6	8.8	7.7
0077	Conductivity at 25 C	μs/cm	163	170	187	170	175	185	185	146	169	163
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.45	1.27	1.32	1.22	1.34	1.15	1.15	1.49	1.35	1.69
0117	Nitrate as N	mg/l	1.44	1.26	1.32	1.22	1.33	1.15	1.15	1.49	1.35	1.69
0118	Nitrite as N	mg/l	0.0087	0.0085	< 0.004	< 0.004	0.0059	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00021	< 0.00037	< 0.00047	< 0.00055	< 0.00052	< 0.00027	< 0.00042	< 5.0e-05	< 0.00025	< 0.00037
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	41	42	54	51	52	56	55	34	46	44
0180	Orthophosphate, reactive as P	mg/l	0.03	0.033	0.045	0.029	0.038	0.03	0.029	0.029	0.035	0.022
9901	Oxygen, Dissolved, % Saturation	%	103	103	107	92	102.1	98.9	96.6	98	98	99.7
9924	Oxygen, Dissolved as O2	mg/l	12.8	12.3	11	9.65	10.9	11.3	10.7	11.1	11.4	11.9

Samples from 8 Apr 2015 to 25 Jan 2016

Notation	Determinand	Units	8 Apr 2015 13:55	12 May 2015 12:50	26 Jun 2015 15:17	17 Aug 2015 12:44	30 Sep 2015 11:34	23 Oct 2015 12:13	1 Dec 2015 11:37	29 Dec 2015 13:25	29 Dec 2015 13:26	25 Jan 2016 12:21
0061	pH		8	7.9	7.6	7.8	7.8	7.93	7.68	7.5	7.5	7.9
0076	Temperature of Water	°C	9	11	13.9	11.8	11.6	10.8	11.2	7.5	7.5	10.4
0077	Conductivity at 25 C	μs/cm	168	178	184	186	167	138	160	234	234	166
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.046	0.04	0.04	0.081
0116	Nitrogen, Total Oxidised as N	mg/l	1.56	1.21	1.47	1.38	1.35	1.18	1.34	1.38	1.4	1.42
0117	Nitrate as N	mg/l	1.55	1.2	1.47	1.38	1.35	1.18	1.33	1.37	1.39	1.4
0118	Nitrite as N	mg/l	0.0099	0.0053	0.0043	< 0.004	< 0.004	< 0.004	0.0094	0.0089	0.0089	0.0236
0119	Ammonia un-ionised as N	mg/l	< 0.00051	< 0.00047	< 0.00029	< 0.0004	< 0.00039	< 0.0005	0.00044	0.00019	0.00019	0.00121
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	45	49	50	53	49	54	39	39	39	42
0180	Orthophosphate, reactive as P	mg/l	0.031	0.037	0.043	0.043	0.028	0.024	0.041	0.029	0.029	0.046
9901	Oxygen, Dissolved, % Saturation	%	102	101	94	100	106	93.5	95.6	98	98	91
9924	Oxygen, Dissolved as O2	mg/l	11.8	11.1	9.68	10.8	11.5	10.3	10.5	11.7	11.7	10.2

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sampling point Trib Of Heddon At Trentishoe Bridge

Determinands

Sampling results

Samples from 29 Feb 2016 to 8 Feb 2017

Samples from 8 Apr 2015 to 25 Jan 2016

sampling point
Trib Of Heddon At Trentishoe Bridge