sampling point
Harlyn Bay Stream At Trenearne Bridge

Description	HARLYN WATER AT TRENEARNE BRIDGE
Sampling point ID	SW-82512228
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 188900 74650 lat lon: 50.533439, -4.980173
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	42 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 42 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Nov 2014 to 14 Sep 2015

Notation	Determinand	Units	25 Nov 2014 13:36	9 Jan 2015 10:07	4 Feb 2015 13:41	4 Mar 2015 09:06	14 Apr 2015 15:47	14 May 2015 09:09	1 Jun 2015 13:52	1 Jul 2015 15:13	14 Aug 2015 14:50	14 Sep 2015 13:54
0061	pH		7.9	7.68	7.89	7.9	7.9	7.89	7.88	7.93	7.82	7.81
0076	Temperature of Water	°C	8	10.1	5.9	6.4	12.7	11.1	11.2	16.2	15.4	12.6
0077	Conductivity at 25 C	μs/cm	490	489	499	482	477	489	491	547	485	394
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.033	0.032	0.087
0116	Nitrogen, Total Oxidised as N	mg/l	6.14	5.55	5.64	4.93	3.16	2.53	2.02	1.23	2.91	2.58
0117	Nitrate as N	mg/l	6.14	5.54	5.64	4.93	3.16	2.52	2.01	1.22	2.85	2.57
0118	Nitrite as N	mg/l	0.0042	0.0055	0.0042	< 0.004	< 0.004	0.0114	0.0051	0.0084	0.0567	0.0131
0119	Ammonia un-ionised as N	mg/l	< 0.00038	< 0.00027	< 0.00032	< 0.00033	< 0.00053	< 0.00046	< 0.00046	0.00081	0.00058	0.00125
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	138	134	137	145	148	157	165	183	136	99
0180	Orthophosphate, reactive as P	mg/l	0.028	0.046	0.028	0.026	0.029	0.05	0.059	0.099	0.145	0.129
9901	Oxygen, Dissolved, % Saturation	%	95	98	97.5	100	100	94	87.9	92.5	97.5	94.5
9924	Oxygen, Dissolved as O2	mg/l	11.2	11	12.2	12.3	10.6	10.3	9.63	9.07	9.72	10

Samples from 14 Feb 2014 to 6 Nov 2014

Notation	Determinand	Units	14 Feb 2014 10:03	28 Feb 2014 15:48	3 Apr 2014 11:47	1 May 2014 13:20	20 Jun 2014 15:33	14 Jul 2014 10:45	8 Aug 2014 15:17	4 Sep 2014 11:17	16 Oct 2014 09:23	6 Nov 2014 14:56
0061	pH		7.9	7.9	7.95	8	8.2	8	7.8	7.9	7.78	7.9
0076	Temperature of Water	°C	6.2	8	10.3	12.1	15.4	14.4	16.1	15.5	13.3	12
0077	Conductivity at 25 C	μs/cm	405	476	481	488	484	516	350	613	581	547
0111	Ammoniacal Nitrogen as N	mg/l	0.06	< 0.03		< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.041	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.04	3.63		4.03	2.66	1.73	1.03	1.35	6.52	5.26
0117	Nitrate as N	mg/l	3.03	3.62		4.03	2.65	1.72	1.03	1.33	6.48	5.25
0118	Nitrite as N	mg/l	0.0065	0.0075		< 0.004	0.0065	0.0094	< 0.004	0.0156	0.0405	0.0104
0119	Ammonia un-ionised as N	mg/l	0.00066	< 0.00038		< 0.00064	< 0.00081	< 0.00075	< 0.00054	< 0.00065	0.00058	< 0.00051
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	98	149		161	159	177	95	180	131	153
0180	Orthophosphate, reactive as P	mg/l	0.036	0.028		0.031	0.06	0.074	0.126	0.116	0.074	0.042
9901	Oxygen, Dissolved, % Saturation	%	97.7	95.4	99.8	95	86	95	96	95	95	95
9924	Oxygen, Dissolved as O2	mg/l	12.1	11.3	11.2	10.2	8.58	9.68	9.43	9.45	9.92	10.2

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sampling point Harlyn Bay Stream At Trenearne Bridge

Determinands

Sampling results

Samples from 25 Nov 2014 to 14 Sep 2015

Samples from 14 Feb 2014 to 6 Nov 2014

sampling point
Harlyn Bay Stream At Trenearne Bridge