sampling point
Ruthern River At Hag-Gla Cottage

Description	RUTHERN RIVER AT HAG-GLA COTTAGE
Sampling point ID	SW-82520734
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 198062 65845 lat lon: 50.45759, -4.846302
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	19 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

Samples from 26 Nov 2013 to 17 Jul 2015

Notation	Determinand	Units	26 Nov 2013 14:06	2 Jan 2014 15:10	19 Feb 2014 13:51	5 Mar 2014 14:28	2 Jun 2014 12:21	16 Sep 2014 10:08	25 Nov 2014 11:17	5 Jan 2015 15:46	8 Apr 2015 09:45	17 Jul 2015 14:25
0061	pH		7.2	7.2	7.6	7.3	7.4	7.8	7.3	7.2	7.5	7.61
0076	Temperature of Water	°C	7.1	10.1	10.5	9.7	12.9	11.3	7.9	10.3	7.6	15.3
0077	Conductivity at 25 C	μs/cm	198	187	202	196	194	202	199	192	202	198
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.036	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.12	3.94	4.32	4.14	3.64	2.87	4.17	3.85	3.55	2.96
0117	Nitrate as N	mg/l	4.12	3.94	4.31	4.14	3.64	2.87	4.17	3.85	3.54	2.96
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0056	< 0.004	< 0.004	< 0.004	< 0.004	0.005	0.0056	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 7.0e-05	0.00011	< 0.00023	< 0.00011	< 0.00017	< 0.00038	< 9.0e-05	< 9.0e-05	< 0.00015	< 0.00033
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	30	27	30	30	31	33	29	28	29	33
0180	Orthophosphate, reactive as P	mg/l	< 0.02	0.02	< 0.02	< 0.02	< 0.02	< 0.02	0.0125	0.0157	0.0094	0.0169
9901	Oxygen, Dissolved, % Saturation	%	101.9	99.5	100	100.3	98	99	96	95.2	95.8	96.4
9924	Oxygen, Dissolved as O2	mg/l	12.3	11.2	11.1	11.4	10.3	10.8	11.4	10.6	11.4	9.63

Samples from 4 Feb 2013 to 7 Nov 2013

Notation	Determinand	Units	4 Feb 2013 10:52	20 Mar 2013 12:32	29 Apr 2013 12:29	5 Jun 2013 12:45	2 Jul 2013 10:44	27 Aug 2013 15:21	17 Sep 2013 10:07	18 Oct 2013 11:49	7 Nov 2013 10:20
0061	pH		7.51	7.31	7.5	7.62	6.9	7.8	7.2	7.4	7.36
0076	Temperature of Water	°C	9.5	7.4	9.7	12	12.2	15.3	11.9	13.3	11.1
0077	Conductivity at 25 C	μs/cm	195	187	200	200	202	183	201	191	197
0111	Ammoniacal Nitrogen as N	mg/l	0.031	< 0.03	0.061	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.3	3.65	3.77	3.85	3.7	3.07	2.43	2.99	3.87
0117	Nitrate as N	mg/l	4.29	3.64	3.77	3.85	3.7	3.07	2.43	2.99	3.87
0118	Nitrite as N	mg/l	0.009	0.0086	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00018	< 9.0e-05	0.00035	< 0.00027	< 5.0e-05	< 0.00051	< 0.0001	< 0.00018	< 0.00014
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	27	29	33	31	30	33	31	29	28
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	0.021	< 0.02	< 0.02	< 0.02
9901	Oxygen, Dissolved, % Saturation	%	102	104.6	99.5	101.9	96	96.2	95.9	96.2	100
9924	Oxygen, Dissolved as O2	mg/l	11.6	12.6	11.3	11	10.3	9.61	10.3	10	11